Track Workout (400m Intervals)

400m x 9 reps; walking 200m b/t runs 100+ degrees
1. 1:42 / 2:16
2. 1:35 / 2:27
3. 1:32 / 2:13
4. 1:32 / 2:21
5. 1:30 / 2:38
6. 1:32 / 2:38
7. 1:32 / 2:29
8. 1:33 / 3:06
9. 1:27