If you have access to a track in your community, get out and try this workout.
After you warm up by either walking or jogging, sprint as outlined with recovery after each sprint.
Sprint 100 meters
Sprint 200 meters
Sprint 400 meters
Sprint 200 meters
Sprint 100 meters
Cool Down – Jog 2 slow laps
After your cool down, head to the bleachers for the following for 3 rounds:
1) 3 laps up and down the stairs.
2) 10-15 lunges each leg.
3) 10-15 Push-ups. (Lift one leg for more resistance)
4) 10-15 Dips. (Lift one leg to make it more difficult)