Kit

Find your maximum heart rate on a hill

About 20 minutes on a hill. The highest heart rate you reach is your maximum.

Why it works: Does your heart rate agree with you?

Ready when you are

4:00

Next: jog easy

  1. Jog easy · 4:00
  2. Run fast · 4:00
  3. Climb 1 of 3, all out · 2:30
  4. Jog back down
  5. Climb 2 of 3, all out · 2:30
  6. Jog back down
  7. Climb 3 of 3, all out · 2:30

What do I need?

A hill that takes a few minutes to climb, a heart-rate monitor and a fresh day. On a tired day the number reads low. Press start and the page walks you through each step, and keeps your screen on.