HIIT
Tabata 4-minute burner
Classic 20 seconds on, 10 seconds rest across four quick rounds.
2 steps, 4 rounds, 4:00
Official timers from Intervale. Open one in the app and it becomes yours to edit.
1 timer in HIIT
Classic 20 seconds on, 10 seconds rest across four quick rounds.
2 steps, 4 rounds, 4:00