Crossfit Open 13.5 Workout

CrossFit Games Open Workout 13.5:

4 minute AMRAP of:
15 Thrusters (100 / 65 lbs)
15 Chest to bar Pull-ups
*4 minute bonus for every 90 reps (3 rounds) completed.

Another DNS, 65# is still on the heavy side, though still slightly doable. But with my ribs still hurting, and left wrist acting up again, I'm out.