Track Workout (400m Intervals)

400m x 8 @ 100+ degrees
First 4 - 300m recovery (100m jog,200m walk) 1:2 work:rest(3:00)
1. 1:31
2. 1:27
3. 1:31
4. 1:31
-
Second 4 - 200m jog recovery avg (1:15)
1. 1:36
2. 1:46
3. 1:48
4. 1:50