Heart rate zone training,
coached by audio

RunBeat is an iOS app for Zone 2 training and VO₂ Max intervals.
Stay in the zone without checking your screen.

Build your aerobic base. Push your VO₂ Max.

ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5

Choose a protocol or build your own
Your coach calls every work and rest phase
Your Apple Music playlists switch with the phase: hard music for work, easy music for rest

NORWEGIAN 4×4 TABATA 30/30 TEMPO

RunBeat is an iPhone app that works with Apple Watch, Polar, Whoop, and any Bluetooth heart rate monitor.

Find your Zone 2 range and all five heart rate zones.

Calculate HR Zones

Karvonen / HRR Recommended

Target HR = RHR + % Intensity × (Max HR − RHR)

Zone % Intensity BPM

Zone 1 40–60% 107–133

Zone 2 60–70% 134–146

Zone 3 70–80% 147–159

Zone 4 80–90% 160–172

Zone 5 90–100% 173–185

What Zone 2 training is, how to calculate your heart rate range, and how to structure your runs.

How to run VO₂ max intervals the right way: the Norwegian 4×4, the Billat 30/30, and intensity targets.