Make easy days count.
Stay connected to your effort with live heart rate guidance and Apple Watch cues.
See your heart rate during your session and use the Watch cues to follow your target zone. Workout analysis separates your Zone 2 work block from warmup and cooldown so you can understand the session you actually did.
Try it in VO2 Maximizer ↗Actual app imagery. Check the App Store for current availability.
Understand more.
Get more from every session.
1.5 Mile Run Training: 12-Week Plan to Cut Your Time
The 12-week 1.5 mile run training plan that cut my time by 47 seconds: mile-pace intervals, threshold tempos, base hours, and race-day pacing.
Read the guide ↗Balke Test Training: 12-Week Plan to Run Farther
The 12-week Balke test training plan that lifted my 15-min distance by 330m: threshold work, VO2 max intervals, base hours, and pacing strategy.
Read the guide ↗What Your VO2 Max Score Actually Means
Got a VO2 max number from a lab, field test, or watch? Here is what your score translates to on the FRIEND chart, and what to actually do with it.
Read the guide ↗