Z2Zone 2Get the app

Structured high-intensity training

Intervals for a higher ceiling.

Pair steady Zone 2 work with simple heart rate-based intervals designed to guide your harder sessions.

Download on the App Store

Build the workout in seconds

Create repeatable work and recovery intervals without a complicated training-plan editor. Choose the number of repeats, segment durations, and target heart rate zones.

Each workout can include

  • An optional warm-up
  • Timed work intervals with a target such as Zone 4–5
  • Timed recovery intervals with a target such as Zone 2
  • An optional cool-down

Guidance during every segment

The live interval view shows the current segment, remaining time, heart rate, target range, active zone, and the shape of the complete workout. The Apple Watch app provides a dedicated interval screen for training from your wrist.

See the whole picture

Zone 2 is not only an easy-day tracker. It lets you monitor all five heart rate zones and analyze VO₂ max alongside resting heart rate and zone minutes over time.