tontonan
1:01:51
Interval timer - 45 sec rounds / 15 sec rests (including links to 14 workout routines)
59:54
45 sec work 15 sec rest Interval Timer (45/15 interval timer) up to 60 reps
30:57
Interval Timer Without Music - HIIT 40 sec Work / 20 sec Rest | 74
1:01:06
Interval timer - 1 min rounds / No rests (with links to 9 workout routines by Sascha Huber)
1:01:06
Interval timer - 4 min rounds / No rests (including links to two workout routines)
1:00:27
1 Minute Interval Timer
1:00:46
Interval timer - 40 sec rounds / 20 sec rests (including links to 19 workout routines)
24:56
Interval Timer with Workout Music - 30 sec workout / 10 sec rest
