J Jack Active member Mar 1, 2009 #1 example: Sprint 100m, 3 min rest, sprint 100m, 3 min rest, sprint 100m. or Jog 1.5km at a constant speed
example: Sprint 100m, 3 min rest, sprint 100m, 3 min rest, sprint 100m. or Jog 1.5km at a constant speed