6 Week Summer Workout Challenge Training Schedule Day 1 – Upper Body Superset Workout. Day 2 – Lower Body Superset Workout. Day 3 – Cardio and Abs. Day 4 – Upper Body Superset Workout. Day 5 – Lower Body Superset Workout. Day 6 – Cardio and Abs. Day 7 – Complete Rest Day. Jul 12, 2021