Complete 30 sit ups and 30 Toes to DB (one dumbbell) at the 0, 5, 10, 15, and 20 min marks
10 DB Thrusters (55/35)
10 Pull Ups
If you go over the time limit on the 400m or if they trip on the DU, they will have to repeat the run or DU until he or she comes in under the time cap or gets the 50 unbroken.