Run, Lunge, & Sit-Up Posted on April 15, 2015 by Matt THURSDAY 160415 For time: Run 500m 50 walking lunge steps 50 sit-ups Run 400m 40 walking lunge steps 40 sit-ups Run 300m 30 walking lunge steps 30 sit-ups Run 200m 20 walking lunge steps 20 sit-ups Run 100m 10 walking lunge steps 10 sit-ups