Warm Up:
400m
100 Jump Rope
1 Min Plank (any variation)
200m
50 Jump Rope
30 sec hollow hold
EVERY 3:00 X 5 or complete 5 rounds:
10/8 Cal Bike
10 Kettlebell Swings
10 Box Jumps/ Step Ups
10 Ring rows
Cashout: 21-Day Summer Shred Ab Challenge, Day 4!