1:00:27

1 Minute Interval Timer

30:23

45 Second Interval Timer

1:00:46

Interval timer - 40 sec rounds / 20 sec rests (including links to 19 workout routines)

30:01

90 Second Interval Timer With Beep Every 90 Seconds

1:00:56

Interval timer - 40 sec rounds / 10 sec rests (including links to 3 workout routines)

21:07

The Best 30 Second Interval Timer With 20 Second Rest

30:05

30 Second Interval Timer

20:09

20 Minute Timer