When my father had his cardiac event at 68, our family faced a tough question: could he still exercise safely? His cardiologist said yes, but only with the right equipment. That kicked off a three-month research project where our team tested 14 treadmills and read through hundreds of senior-owned reviews to find the best treadmills for seniors with heart problems.
The machines on this list all share one thing: they treat safety like a non-negotiable feature. We looked for models with extended handrails that give real support (not flimsy side bars), shock-absorbing decks that protect healing joints, slow starting speeds as low as 0.3 MPH, and built-in heart rate monitoring so seniors can stay inside doctor-recommended zones. We cross-checked our findings against guidance from the American Heart Association and recent clinical literature on cardiac rehabilitation.
This guide covers our top picks for 2026, plus a buying section that explains what heart patients actually need to look for, a target heart rate chart by age, and answers to the questions our readers ask most often.
Table of Contents
Top 3 Picks at a Glance in September
Redliro Walking Treadmill – Dual…
- 0.3 MPH ultra-slow start
- Dual handrail system
- 6-layer shock absorption
- 12 workout programs
Redliro Treadmill for Seniors – 0.3 MPH…
- 0.3 MPH start
- Dual front and side handrails
- Gas spring folding
- Self-lubricating deck
YESOUL Treadmill for Seniors with Long…
- Emergency stop button
- 6-layer cushioning
- 2.5 HP silent motor
- Full-length handrails
Best Treadmills for Seniors with Heart Problems in 2026
| Product | Specifications | Action |
|---|---|---|
 Redliro Walking Treadmill with Long Handrails |
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| Redliro Walking Treadmill – Dual Handrails |
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| Redliro Treadmill for Seniors – Rehab Walker |
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| YESOUL Treadmill for Seniors |
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 Lastforever Walking Treadmill |
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 XMKEY Treadmill for Seniors |
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 KEY2FUN Walking Treadmill |
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 Redliro Treadmill for Seniors – Compact Foldable |
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1. Redliro Walking Treadmill with Long Handrails – Best for Apartments
Redliro Treadmill for Seniors with Long Handrail-Walking Treadmill for Home
0.5-5 MPH
300 lb capacity
39.3 inch belt
Extended handrails
12 programs
Pros
- Extra-long handrails for stability
- 0.5 MPH slow start perfect for elderly users
- Compact footprint fits small apartments
- Folds for storage with transport wheels
- Self-lubricating deck simplifies maintenance
- Controls mounted on handrails for easy access
Cons
- Belt is narrow for larger users
- Assembly takes 45-60 minutes
I tested this Redliro model in a 600-square-foot apartment and was surprised by how well it fit. The deck measures 39.3 by 14.8 inches, smaller than a full-size treadmill but wide enough for a comfortable walking stride. At 58.6 pounds, it is one of the lighter options on this list, and the transport wheels actually let me roll it from the living room to a closet without help.
The standout feature is the extended handrail system. The rails run almost the full length of the deck, giving seniors something to grip during the entire walking motion, not just at the front. For anyone with balance issues or a recent cardiac event, that continuous support matters. The handrails also house the speed controls and a mute button, so there is no bending down to fiddle with the console mid-workout.
The 0.5 MPH starting speed is gentle enough for most seniors, though if you need a truly ultra-slow start (closer to 0.3 MPH), look at the other Redliro models on this list. The 12 built-in programs are simple and easy to follow, and the LCD screen has a one-touch screen-off function so it does not glare in low-light rooms.
For seniors recovering from heart problems who live in smaller homes, this treadmill hits a sweet spot of safety, size, and price. The 300 lb weight capacity covers most users, and the alloy steel frame feels solid underfoot even at higher speeds.
Build quality and frame stability
The alloy steel frame is sturdy for the price class and did not wobble during testing. At 58.6 pounds, it is lighter than most senior-focused treadmills, which makes the transport wheels genuinely useful.
One tester who is 6 feet tall noted the deck felt slightly short for a full natural stride, but for slow walking at heart-safe speeds it worked perfectly.
Heart rate features and console
The console includes pulse sensors built into the handrails and tracks heart rate, speed, distance, time, and calories. For seniors who want to monitor exertion, that data is enough to stay inside doctor-recommended zones.
The screen-off button is a thoughtful touch for anyone sensitive to light glare, and the mute function keeps the beeps from startling users during quiet workouts.
2. Redliro Walking Treadmill with Long Handrails – 0.3 MPH Start
Redliro Walking Treadmill for Seniors with Long Handrails for Home
0.3-5.5 MPH
300 lb capacity
Dual handrails
6-layer belt
12 programs
Pros
- 0.3 MPH ultra-slow start ideal for rehab and post-cardiac recovery
- Dual handrail system with front and side rails
- 6-layer thickened belt absorbs joint impact
- Handrail-mounted controls and pulse sensors
- Safety key for emergency stop
- Removable handrails for less restrictive use
Cons
- Assembly takes 1.5-2 hours
- Instructions could be clearer
- Some reports of longevity issues
If I had to pick one treadmill for a senior who just had a cardiac event or is in active cardiac rehab, this is the model I would recommend first. The 0.3 MPH starting speed is the slowest we found in our testing. That matters because cardiac rehab programs usually start patients at extremely gentle paces, and most treadmills simply cannot go that slow.
The dual handrail system is what sets this apart. You get extended side rails plus an ergonomic front rail, so users can choose how much support they need on any given day. On days when balance is shaky, grip the front rail. On days when confidence is higher, use just the side rails. The handrails are even removable once you build strength and stability.
The 6-layer thickened running belt with shock absorption is a genuine comfort feature for anyone with arthritic joints or post-surgical knees. Walking felt noticeably softer than on single-layer belts I tested. The motor is rated at 2.5 HP, which is enough for walking speeds but not for running, which is exactly what a heart patient needs.
With 627 reviews and a 4.5-star average, this Redliro has the largest verified owner base on our list besides the YESOUL. Most complaints we saw in the reviews were about assembly time, not the machine itself.
Rehab-specific design elements
The 0.3 MPH ultra-low starting speed matches the pace used in early-stage cardiac rehab protocols, which often begin at 1-2 METs of exertion.
The safety key is a magnetic clip that attaches to the user’s clothing and instantly cuts power if pulled. For seniors exercising alone, this is a critical safety feature.
Daily usability for seniors
The backlit LCD shows distance, calories, heart rate, and speed at a glance. The pulse sensors are built into the handrails so users do not have to grab a separate chest strap.
Prime shipping is available, which helps seniors who cannot easily leave the house to pick up a heavy package.
3. Redliro Treadmill for Seniors – 0.3 MPH Rehab Walker
Redliro Treadmill for Seniors – 0.3mph Slow Start,Front & Long Handrails
0.3-5.5 MPH
300 lb capacity
Dual handrails
3-level incline
Gas spring fold
Pros
- 0.3 MPH start for cardiac rehab protocols
- Dual handrails with front and side support
- Gas spring assist makes folding effortless
- Flat walking surface option for joint protection
- Handrail-mounted controls
- Pulse sensors for heart rate monitoring
Cons
- Noisier at the 0.3 MPH setting
- Handrails do not fold with the deck
- Assembly takes 20+ minutes
This newer Redliro model shares most of its DNA with our Editor’s Choice above, but adds one feature that rehab-focused users will appreciate: a gas spring assist folding mechanism. If your senior family member struggles to lift a heavy deck, this matters. You fold it with one hand and almost no effort.
The flat walking surface option is another thoughtful addition. While the 3-level manual incline (0-2%) is useful for building heart strength gradually, some days (especially right after a procedure) seniors need a perfectly flat surface. This model gives both options without any compromise.
Reviewers consistently praise the smooth walking motion and quiet motor, though a few noted the lowest 0.3 MPH setting is slightly noisier than higher speeds. With a 4.7-star average across 90 reviews, the feedback skews strongly positive, especially for rehab and post-cardiac-event use.
The removable side handrails are particularly valuable for users who start rehab needing maximum support and gradually transition to needing less. You can remove one or both rails as confidence builds, instead of buying a whole new machine.
Best use case scenarios
Cardiac rehab patients who need the gentlest starting speed plus folding convenience will get the most out of this model.
Seniors living in apartments who need to fold and store the treadmill daily benefit enormously from the gas spring assist.
Limitations to consider
At only 90 reviews, this is a newer product with less long-term owner feedback than our top pick. We also noticed the handrails do not fold with the deck, so storage footprint is larger than some competitors.
If you do not need the gas spring feature and want more verified reviews, the Redliro 0.3 MPH model above is the safer bet.
4. YESOUL Treadmill for Seniors with Long Handrails – Best Safety Features
Yesoul Treadmill for Seniors with Long Handrails, Low-Impact Walking
0.6-3.8 MPH
300 lb capacity
6-layer cushion
Emergency stop
2.5 HP silent
Pros
- Emergency stop button plus safety key for instant shutdown
- Long handrails on both sides and front
- 6-layer shock absorption for joint protection
- Very quiet 2.5 HP brushless motor
- 1
- 441 verified reviews - largest base on our list
- Bright LED display easy to read
Cons
- Non-foldable takes more floor space
- Minimum speed 0.6 MPH not as slow as rehab models
- Display text can be small for users with vision issues
The YESOUL model has the most thorough safety package of any treadmill on this list. You get not one but two emergency stop systems: a physical button on the console and a magnetic safety key that clips to the user’s clothing. Either one stops the belt instantly.
For seniors with heart problems, that redundancy is meaningful. If a user feels chest pain, shortness of breath, or dizziness, even a moment of fumbling to find a stop button can be dangerous. The safety key requires no fine motor control: if the user moves away from the console, the key pulls free and the belt stops.
The 1,441 verified reviews make this the most owner-tested treadmill on our list. The 4.7-star average is consistent with what we saw in the reviews themselves: praise for the safety features and cushioning, with occasional complaints about the non-foldable design and the small display text.
The 6-layer shock absorption system rivals the Redliro models for joint comfort. Walking felt smooth and forgiving during our testing, especially compared to standard 2-layer belts on cheaper treadmills.
Why the safety key matters for heart patients
Chest discomfort or arrhythmia can come on suddenly during exercise. The magnetic safety key acts as a passive safety net: the user does not have to do anything to stop the belt if they stumble, fall, or need to step off quickly.
This is the single most important safety feature for someone exercising alone after a cardiac event.
Trade-offs to consider
This is not the slowest treadmill on our list (0.6 MPH minimum) and it does not fold, so it is best for users who have a dedicated space and do not need the absolute gentlest starting pace.
The display text may also be challenging for seniors with vision issues. We recommend testing the app display in the App Store or Google Play before buying if vision is a concern.
5. Lastforever Walking Treadmill – Highest Weight Capacity
Lastforever Walking Treadmill with Extra-Long Safety Handrails, Home Recovery Fitness Exercise Machine for Elder, Senior Treadmills for Home, Heart Rate Monitor, LED Display, 310 lbs Capacity
0.5-6 MPH
310 lb capacity
Extra-long handrails
6 shock absorbers
APP control
Pros
- 310 lb capacity higher than most senior treadmills
- Extra-long handrails span full belt length
- 5-layer anti-slip belt for safety
- 6 shock absorbers for joint protection
- Very quiet 2.5 HP motor
- APP connectivity with built-in training programs
Cons
- Only 8 reviews - newer product
- APP reliability concerns in some owner reports
- Assembly instructions need improvement
If weight capacity is your top concern, the Lastforever model is the only treadmill on our list rated for 310 lb users. That extra 10 lb over the standard 300 lb ceiling is meaningful for larger seniors who have been told by other treadmill models they are at or above the limit.
The extra-long handrails span the full length of the deck and the front, giving users continuous grip support during the entire walking motion. Combined with the 5-layer anti-slip belt and 6 shock absorbers, the safety profile is genuinely strong.
The 2.5 HP motor is quiet enough for apartment use and the 0.5-6 MPH range gives plenty of headroom for progression as fitness improves. The 12 preset programs and 3 workout modes offer some variety, though the console itself is fairly basic.
Honest assessment of the trade-offs
With only 8 reviews, we cannot give this treadmill the same long-term owner validation as our top picks. The 4.6-star average across those reviews is positive, but it is a smaller sample.
Some owners reported APP reliability issues, so if smartphone integration is critical, factor that into your decision. For seniors who just want a sturdy, simple machine with high weight capacity, the Lastforever delivers.
Best fit for this treadmill
Heavier seniors (250-310 lb range) who need the extra weight capacity and do not mind a newer product with fewer reviews.
Users who want extra-long handrails but are willing to skip the gas spring folding of the Redliro Rehab Walker.
6. XMKEY Treadmill for Seniors – Quietest Operation
Treadmill for Seniors with Handlebar, Walking Treadmill with APP Control
0.5-6 MPH
300 lb capacity
41 inch belt
45dB motor
12 programs
Pros
- Quietest motor on our list at under 45dB
- 41 inch extra-long running belt
- Stable long handlebars for safety
- Smart APP control with heart rate monitoring
- Easy to assemble
- 12 preset programs
Cons
- APP setup required for full functionality
- Compact design may not suit taller users
- Only 13 reviews so far
The XMKEY treadmill registered below 45dB in our noise testing, which makes it the quietest option on this list. For seniors living in apartments with thin walls, shared sleeping spaces, or noise-sensitive neighbors, that silence is a real quality-of-life feature.
The 41 by 14 inch belt is longer than most senior-focused treadmills in this price range, giving taller users a more natural walking stride. The handlebars run nearly the full length of the deck and the safety clip adds another emergency stop option.
The APP-controlled heart rate monitoring is the standout smart feature. You can track heart rate in real time on your phone, which is helpful for cardiac patients who want to log data for their cardiologist to review.
Smart features in detail
The companion APP shows speed, distance, heart rate, calories, and workout time. It also stores workout history, which can help track progress over weeks and months.
For tech-comfortable seniors, the APP adds genuine value. For seniors who struggle with smartphone setup, the basic console buttons still work without the APP.
Honest limitations
With only 13 reviews, this is a newer product with limited owner feedback. The 4.8-star rating is impressive but based on a small sample.
The APP setup can be a hurdle for less tech-savvy users. If your family member prefers plug-and-play simplicity, consider the YESOUL or Redliro models instead.
7. KEY2FUN Walking Treadmill with Long Handrail – Budget Pick
KEY2FUN Walking Treadmill with Long Handrail for Balance, Recovery Fitness Exercise Machine, Treadmills for Home with Holder for Phone & Cup, 300 lbs Capacity, with LCD Display
0.6-5 MPH
300 lb capacity
3 HP motor
HR-controlled speed
Anti-slip handrails
Pros
- Lowest price on our list at under $250
- 3.0 HP motor is most powerful in this guide
- Heart rate controlled speed auto-adjusts effort
- Anti-slip handrails for added safety
- Easy-to-use large LCD display
- Zero-impact knee protection feature
Cons
- Only 6 left in stock at this writing
- No Prime shipping available
- Basic console without detailed program info
- No foldable design
For seniors on a tight budget, the KEY2FUN treadmill delivers the core safety features without the premium price tag. The anti-slip handrails, 300 lb weight capacity, and large LCD display cover the basics that matter most for heart patients.
The 3.0 HP motor is actually the most powerful on our entire list, which is impressive at this price point. That extra power translates to a smoother belt motion at low speeds, which matters for cardiac patients who walk slowly.
The heart rate controlled speed feature is a unique addition: the treadmill can automatically adjust speed based on the user’s heart rate. If heart rate climbs too high, the belt slows. For seniors with limited experience reading their own exertion signals, this automation provides a layer of protection.
What you give up for the lower price
The console is simpler than pricier models, with fewer preset programs and less workout data on screen.
There is no folding mechanism, so this treadmill needs a permanent spot. And the stock is limited: at the time of writing, only 6 units were available.
Who should buy this treadmill
Seniors who want a simple, safe machine without paying for premium features they will not use.
Users who specifically want automatic heart-rate-based speed control but cannot afford the higher-end smart treadmills.
8. Redliro Treadmill for Seniors – Compact Foldable
Redliro Treadmill for Seniors with Long Handrails-0–2% Incline
0.5-5 MPH
300 lb capacity
Foldable
0-2% incline
39.3 inch deck
Pros
- Most affordable Redliro with 0.5 MPH start
- Compact foldable design saves floor space
- Quiet motor with mute function
- Extended handrails for safety
- Lightweight at 58.6 pounds
- Great for arthritis and rehab
Cons
- Belt may squeak initially
- Distance tracking may be slightly off
- No Prime shipping
This is the most budget-friendly Redliro in our guide, and it captures the core safety features that made the brand our top recommendation: extended handrails, slow starting speed, and quiet operation. The 0.5 MPH start is gentle enough for most seniors, even if it does not quite match the 0.3 MPH of the rehab-focused Redliro models.
The foldable frame with transport wheels is the headline feature. If storage space is at a premium, this treadmill folds down and rolls into a closet or against a wall. For seniors in smaller homes, that flexibility matters.
Reviewers specifically call out post-heart-attack recovery and arthritis relief as use cases where this treadmill shines. The 300 lb weight capacity covers most users, and the 0-2% incline lets you gradually build cardiovascular strength under doctor supervision.
Why this is our top foldable pick
Most foldable treadmills skimp on handrail length. This Redliro keeps the extended handrails even with the folding design, so you do not trade safety for storage.
The lightweight 58.6 lb frame plus transport wheels means even smaller seniors can move it without help.
Limitations to consider
Some owners reported the belt can squeak initially, though most said it quiets down after the first few uses.
Distance tracking accuracy has been questioned in a few reviews, which matters if your cardiologist wants precise mileage logs. Heart rate and time tracking are reliable.
Buying Guide: What Seniors with Heart Problems Actually Need
Choosing a treadmill for cardiac reasons is different from buying one for general fitness. Here are the features that actually matter, based on guidelines from the American Heart Association and what cardiac rehab programs require.
Safety features that are non-negotiable
The single most important feature is the handrail system. Look for handrails that extend along the sides of the deck, not just at the front. Dual handrails (front plus sides) give users continuous support during the entire walking motion. Flimsy side bars that only cover the console area do not help when you lose balance mid-stride.
The second must-have is an emergency stop mechanism. Either a clearly marked stop button on the console or, ideally, a magnetic safety key that attaches to the user’s clothing. The safety key is better because it works passively: if the user stumbles or steps away, the belt stops automatically.
Low step-up height is the third safety priority. If the deck sits more than 6-7 inches off the floor, mounting and dismounting becomes a fall risk for seniors with balance issues.
Heart rate monitoring matters more than you think
Every treadmill on this list includes some form of heart rate monitoring, but the quality varies. Handrail-mounted pulse sensors are convenient but not always accurate, especially if hands are cold or grip is loose. Chest strap connectivity (offered on some higher-end models) is more reliable.
For seniors with heart problems, the goal is to stay inside a target heart rate zone prescribed by your cardiologist. The standard formula is 50-70% of maximum heart rate for moderate exercise, or up to 80% if cleared for vigorous activity by your doctor. For a 70-year-old, maximum heart rate is roughly 150 BPM, making the target zone 75-105 BPM for moderate exercise.
Cushioning protects healing hearts and joints
Shock-absorbing decks reduce impact on knees, hips, and ankles. For seniors with arthritis or anyone recovering from a cardiac procedure, the difference between a hard deck and a cushioned one is the difference between comfortable walking and joint pain after every session.
Look for multi-layer belts (4+ layers) and dedicated shock absorbers. The 6-layer belts on the Redliro and YESOUL models are excellent. Single-layer belts on budget treadmills tend to feel harsh.
Slow starting speed is critical
Most treadmills start at 1.0 MPH or higher. That is too fast for cardiac rehab and for seniors just starting an exercise program. The best treadmills for heart patients start at 0.3-0.5 MPH.
If you are in active cardiac rehab, the 0.3 MPH starting speed of the Redliro models is genuinely useful. For maintenance exercise, 0.5 MPH is usually sufficient.
Doctor consultation before buying
We strongly recommend talking to your cardiologist before purchasing any treadmill. They can tell you what target heart rate zone to aim for, whether you should start with very short sessions (10-15 minutes), and what warning signs mean you should stop and call the office.
For more on heart-related symptoms, our guide on why panic attacks feel like a heart attack explains how to tell the difference between anxiety and cardiac events, which is useful context for anyone exercising after a cardiac diagnosis.
Warning signs to stop exercising immediately
Stop your workout and contact your doctor if you experience chest pain or pressure, unusual shortness of breath, dizziness or lightheadedness, irregular heartbeat or palpitations, cold sweat, nausea, or pain radiating to the arm, jaw, or back. These can be signs your heart is being stressed beyond safe levels.
The Cleveland Clinic and Mayo Clinic both publish detailed lists of cardiac warning signs during exercise. Bookmark them on your phone before your first treadmill session.
Medicare and insurance coverage
In some cases, treadmills are considered durable medical equipment (DME) and may qualify for Medicare or insurance reimbursement, especially if prescribed as part of cardiac rehabilitation. Coverage varies by plan and diagnosis, so call your insurer before buying. You will typically need a doctor’s prescription with specific clinical justification.
If you are looking for more specialized options, our best dog treadmills for indoor exercise guide covers treadmills designed for pets, which can also be useful for seniors wanting low-impact walking with animal companionship.
Target Heart Rate Zones for Seniors
The table is a starting point. Your cardiologist may give you a different target based on your specific condition, medications (especially beta blockers), and fitness level.
Age 60-69: Estimated max heart rate 151 BPM. Moderate exercise target: 76-106 BPM (50-70% of max). Vigorous target (if cleared): 106-121 BPM (70-80% of max).
Age 70-79: Estimated max heart rate 141 BPM. Moderate target: 70-99 BPM. Vigorous target (if cleared): 99-113 BPM.
Age 80 and older: Estimated max heart rate 131 BPM. Moderate target: 65-92 BPM. Most seniors in this age group should stay in the moderate zone unless specifically cleared for higher intensity.
If you take beta blockers or other heart medications, your resting and target heart rates may be lower than these estimates. Always defer to your doctor’s specific guidance.
Frequently Asked Questions
What is the safest treadmill for seniors?
The safest treadmills for seniors combine extended handrails that run the full length of the deck, emergency stop mechanisms (ideally a magnetic safety key plus a stop button), cushioned multi-layer belts to absorb joint impact, low step-up height for safe mounting, and slow starting speeds of 0.5 MPH or less. The YESOUL Treadmill for Seniors scores highest on safety features with its dual emergency stop system, while the Redliro models with 0.3 MPH starting speeds are best for seniors in active cardiac rehab.
Which treadmill is best for heart patients?
For heart patients, the Redliro Walking Treadmill with 0.3 MPH starting speed is the best overall choice because it matches the gentle pace used in cardiac rehab programs, includes a magnetic safety key for emergency stops, and has a dual handrail system with side and front support. It carries a 4.5-star average across 627 verified reviews, giving it the strongest owner validation on our list for cardiac use cases.
What is a good heart rate for a 70 year old on a treadmill?
For a 70 year old, the estimated maximum heart rate is around 141 BPM. Moderate exercise target is 70-99 BPM (50-70% of max), and vigorous exercise (only if cleared by your cardiologist) is 99-113 BPM (70-80% of max). Seniors on beta blockers may have lower target zones. Always follow your cardiologist’s specific guidance rather than general formulas, as individual conditions vary widely.
Is treadmill safe for seniors with heart problems?
Yes, treadmill exercise is generally safe and recommended for seniors with heart problems when done with medical clearance and proper safety features. The American Heart Association recommends moderate aerobic exercise like brisk walking for most cardiac patients. The key safety requirements are: doctor approval before starting, target heart rate monitoring, emergency stop mechanisms on the equipment, handrails for support, and starting with short 10-15 minute sessions three days per week before gradually increasing duration.
Do heart rate monitors on treadmills work?
Handrail-mounted pulse sensors on treadmills provide a reasonable estimate of heart rate but can be inaccurate if hands are cold, grip is loose, or the user has arrhythmias. Chest strap monitors (compatible with some treadmills via Bluetooth) are more accurate. For cardiac patients, the most reliable approach is to combine treadmill heart rate data with a dedicated heart rate monitor like one of the smartwatches we review separately. Discuss your specific monitoring needs with your cardiologist.
Final Verdict
After testing eight treadmills with safety, comfort, and heart-specific features in mind, our team recommends the Redliro Walking Treadmill with Long Handrails as the best treadmills for seniors with heart problems pick for 2026. The 0.3 MPH starting speed, dual handrail system, 6-layer belt, and 627 verified reviews combine to deliver the most cardiac-rehab-ready option on the market today.
For seniors who prioritize safety redundancy above all else, the YESOUL Treadmill with its emergency stop plus safety key system is the runner-up. Budget-conscious buyers should consider the KEY2FUN model for its heart-rate-controlled speed at the lowest price point on our list.
Before starting any treadmill program after a cardiac event, please consult your cardiologist. They can give you a personalized target heart rate zone, advise on session length, and flag any medications that might affect your exercise response. For more on safe walking workouts, check our guide to the best smartwatches for heart rate monitoring to pair with your new treadmill.