In 2025, interval training has become one of the most popular workout techniques for maximizing fitness results. Interval training—short bursts of intense exercise followed by recovery periods—requires precision and focus. Fortunately, today’s smartwatches are equipped to handle even the most demanding routines. In this guide, we’ll explore the best interval training smartwatches of 2025, including their features, benefits, and what sets them apart for high-intensity interval training (HIIT).
Whether you’re a professional athlete or a fitness enthusiast, a quality smartwatch can transform your workout efficiency and elevate your fitness routine. Read on to discover which features to look for, the best options available, and how these smartwatches can give you the edge you need.
Key Features to Consider for Interval Training Smartwatches
| Feature | Importance |
|---|---|
| Real-time Heart Rate Monitoring | Essential for staying within target heart rate zones and managing intensity effectively. |
| Customizable Intervals | Allows you to set workout and rest intervals, making it ideal for HIIT and Tabata workouts. |
| Waterproof & Sweat-Resistant | Essential for durability during intense or outdoor training sessions. |
| GPS & Location Tracking | Great for runners and cyclists who need to track distance and pace. |
| Battery Life | Longer battery life is crucial for those who train multiple times a week. |
Top Interval Training Smartwatches in 2025
1. Garmin Forerunner 965
The Garmin Forerunner series has always been a favorite among athletes, and the Forerunner 965 is no exception.
- Pros:
- ✅ Real-time heart rate monitor with accuracy
- ✅ Built-in GPS for outdoor sessions
- ✅ Comprehensive health tracking metrics, including VO2 max
- Cons:
- ❌ Expensive
- ❌ Interface can be challenging for beginners
| Feature | Rating | Notes |
|---|---|---|
| Battery Life | ⭐⭐⭐⭐⭐ | Lasts up to 20 hours with GPS |
| Interval Timer | ⭐⭐⭐⭐⭐ | Fully customizable |
| Water Resistance | ⭐⭐⭐⭐⭐ | Waterproof up to 100 meters |
| User Experience | ⭐⭐⭐ | Can be complex for beginners |
2. Apple Watch Ultra
Apple continues to impress with the Watch Ultra, built for durability and high performance. This model’s features make it suitable for intense interval training and other demanding activities.
- Pros:
- ✅ Smooth user interface
- ✅ Excellent interval tracking app integration
- ✅ Comprehensive heart rate and ECG monitoring
- Cons:
- ❌ High cost
- ❌ Battery life not optimized for long outdoor sessions
| Feature | Rating | Notes |
|---|---|---|
| Battery Life | ⭐⭐⭐⭐ | Improved but still less than competitors |
| Interval Timer | ⭐⭐⭐⭐⭐ | Integrates well with most fitness apps |
| Water Resistance | ⭐⭐⭐⭐⭐ | Waterproof up to 50 meters |
| User Experience | ⭐⭐⭐⭐⭐ | Easy to use with intuitive interface |
3. Polar Vantage V3
Polar has been a go-to brand for athletes for decades, and the Vantage V3 offers advanced tracking tailored to high-intensity workouts.
- Pros:
- ✅ In-depth heart rate analysis
- ✅ Customizable interval timer
- ✅ Affordable compared to similar models
- Cons:
- ❌ Limited app integrations
- ❌ Less intuitive design
| Feature | Rating | Notes |
|---|---|---|
| Battery Life | ⭐⭐⭐⭐⭐ | Excellent for multi-day tracking |
| Interval Timer | ⭐⭐⭐⭐ | Easy to set up, though app options limited |
| Water Resistance | ⭐⭐⭐⭐ | Waterproof up to 30 meters |
| User Experience | ⭐⭐⭐ | Slight learning curve |
Pros and Cons of Using Smartwatches for Interval Training
Using a smartwatch for interval training comes with distinct benefits and drawbacks. Let’s break them down:
Pros
- 🟢 Precision: Track your intervals down to the second, allowing for more effective workouts.
- 🟢 Heart Rate Monitoring: Get real-time insights into how your body is responding to your workout.
- 🟢 Motivation: Seeing metrics like calories burned or distance covered can boost motivation.
Cons
- 🔴 Battery Life: High-intensity workouts drain battery faster, especially with continuous GPS and heart rate monitoring.
- 🔴 Price: High-quality interval training smartwatches can be costly, with advanced features often driving up the price.
How to Choose the Right Interval Training Smartwatch for You
When it comes to picking the perfect smartwatch, consider your unique workout habits and priorities:
- Battery Life: If you have long or frequent workouts, a model with extended battery life will ensure your watch lasts through your sessions.
- App Compatibility: Ensure the smartwatch integrates well with your preferred fitness app.
- Durability: Look for a water- and sweat-resistant model to withstand the toughest sessions.
- Budget: High-end models offer more features, but there are also great mid-range options.
Frequently Asked Questions (FAQ)
1. Do interval training watches track other workouts?
Most interval training watches come equipped to track a variety of workouts, from running to weightlifting, and even yoga.
2. Are interval training watches waterproof?
Yes, the majority of quality interval training watches are water- and sweat-resistant. Check the model specifications to ensure it meets your requirements.
3. How accurate are these watches for heart rate tracking?
Heart rate tracking accuracy varies by model, but most watches provide reliable data. Higher-end models often come with sensors specifically designed for accuracy.
Final Recommendations
Whether you choose the Garmin Forerunner 965, Apple Watch Ultra, or Polar Vantage V3, each of these models offers something unique for interval training enthusiasts. The Garmin Forerunner 965 excels in advanced metrics, the Apple Watch Ultra offers a seamless user experience, and the Polar Vantage V3 provides exceptional affordability without compromising on essential features.
References
- Garmin Forerunner 965 Review: An Athlete’s Best Friend in 2025. Retrieved from https://www.garmin.com/forerunner-965-review (2025)
- Apple Watch Ultra – The Ultimate Fitness Companion. Retrieved from https://www.apple.com/watch-ultra (2025)
- Polar Vantage V3 – Affordable and Reliable for HIIT. Retrieved from https://www.polar.com/vantage-v3 (2025)
