If you missed it, read the down-low on what Greatist’s Renew Year Challenge is all about.

Renew Year Day 25

Did you hear that!? No, it wasn’t Buddy the Elf’s cola-induced belch, it was the sound of you completing 50 bad-ass burpees in a single day.

This bodyweight exercise is by no means easy, but it’s a great way to train like a champion. (And you’ll definitely feel like one after.)

When you’re done checking out those sculpted muscles, share your victory.