Long Interval Workout

Choose ONE of the following sports:
Swim Repeat 5:00 on, 4:00 off until form/pace deteriorates
Bike Repeat 5:00 on, 4:00 off until form/pace deteriorates
Run Repeat 5:00 on, 4:00 off until form/pace deteriorates
Row Repeat 5:00 on, 4:00 off until form/pace deteriorates

Post sport, times, and total number of intervals to comments.