Building the engine today. Tried to do this at a tough effort and I really felt it the last few sets. 36 days! • 5 sets tough effort: 5 ring MU 8 DB Thrusters- 50# per hand 10 burpee box jump overs- 24" (open std) 12 cal AB -rest walk 3 min- 1) 2:15 2) 2:13 3) 2:15 4) 2:17 5) 2:17 • • #crossfit #crossfitopen #functionalfitness #fitness #opex #opexfit #windycitylivin #goodistheenemyofgreat @atoneal32