Track Workout (Intervals) - 400m x 7

Run 400m / Jog 200 m x 4
1. 1:44 / 1:14
2. 1:48 / 1:10
3. 1:51 / 1:08
4. 1:44 / Walked 5:22
Run 400m / Walk 200m x 3
5. 1:37 / 2:18
6. 1:40 / 2:30
7. 1:32 / 1:08