mobile logo sticky header logo Training Programs All Programs Route Climbing Training Bouldering Training Power Endurance Endurance Nutrition Coaching Podcast Nutrition Blog About Log In The point of 4×4’s is to increase your ability to climb through a pump and improve your general fitness. Basically, it’s a way to increase power endurance and your mental ability to work through some pain. In the sequence written out below by Kris Peters (this is from our Power Endurance Program actually), you’ll want to pick 4 hard boulder problems – problems that are a couple grades below your max but still challenging. After warming up, pick 4 boulder problems or routes that are about 2-4 grades below your max, and try to climb all 4 within 5-6 minutes (10-15 min if you’re climbing routes). If V0 or V1 is your max, add feet or hands to your problems to make the...