Challenge #4

Set 1:

jumping jacks 50

crunches 40

vertical leg crunches 30

oblique crunches 20

russian twists 10

7 hill sprints

Set 2

spiderman plank 20

scissors 30

bicycles 40

situps 50

7 hill sprints

Set 3

vertical leg crunches 20

jack knife situps 20

side planks (20 sec. hold) each side

russian twists 20

oblique crunches 20

7 hill sprints

Set 4

plank arm/leg lift 40

dolphin push ups 30

burpees 20

Finisher: 

3 ladders

3 zig zags

50 toe taps

Challenge: 1 min. time tire flip, fireman carry up hill, timed tire flip up hill.