Weightlifter Zach Krych does the CrossFit workout “Grace”, which is:
Clean and Jerk 135 lbs
30 reps for time
He performs it with 303 lbs (137.4 kg) in 18:04. Ouch.
Edit: Spencer Moorman also tried this thing. 13 minutes 40 seconds.
Zach Krych 303 lbs Grace is a post by Gregor Winter from All Things Gym.