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1,000 Box Step-Ups (20 in)
Wear a Ruck Pack (45/35 lb)
Complete 1,000 Weighted Box Step-Ups as fast as possible (“For Time“). Use a 20 inch Box and wear a Ruck Pack that weighs 45/35 lb for men/women.
A Ruck is a weighted Backpack to simulate the gear carried during a hiking expedition.