Running, DU's and Situps Workout

400m Run
50 DU:s and 50 Sit-Ups
400m Run
40 DU:s and 40 Sit-Ups
400m Run
30 DU:s and 30 Sit-Ups
400m Run
20 DU:s and 20 Sit-Ups
400m Run
10 DU:s and 10 Sit-Ups