Workout timer (1 hour): 40 sec work 20 sec rest Channel: Mr. Bates Education and Instruction520 views • 20/04/2021Related Videos30 min Interval timer for a Cardio Workout - 60 sec work / 20 sec rest | Mix 63Workout Music With Timer 1 hour 60 sec Work 20 sec Rest1 Hour of HIIT timer 60 sec work 20 sec rest With energetic music | Corina Dragosin - Mix 311 Minute Interval Timer with 20 Seconds Rest