MAYFLY PRO TRACK Workout

A,
Complete as many rounds as possible in 12 mins of:
4 Ring Muscle-ups
8 Box Jumps, 75/60cm
12 Dumbbell Snatches, 32/22,5kg
50 Double Unders

Goal
4+ Rounds

B,
4 rounds for quality of:
10 Toes-to-bars
See-Saw Plank, 20 secs
10 Hip Extensions
Superman Hold, 20 secs
Rest 1:30