Open WOD 13.5Complete as many rounds as possible in 4(6) minutes of: 15 Thrusters 100/65 15 Chest to Bar Pullups

If 90 reps (3 rounds) are completed in under 4(6) minutes, time extends to 12 minutes.
If 180 reps (6 rounds) are completed in under 8(12) minutes, time extends to 18 minutes.
If 270 reps (9 rounds) are completed in under 12(18) minutes, time extends to 24 minutes.
And so on...