For Time @ 75%
Run 400m
10m Walking Lunge
10 Sit Ups
rest 2mins

For Time @ 80%
Run 400m
10 Step ups/leg
10 Toes to Ring

rest 2mins

For Time @ 85%
Run 400m
10 Jump Lunges/leg
10 Toes to Bar

*with the increased percentages show an increase on your run times