4 Rounds AFAP (As Fast As Possible): 25 Double Unders 50 Sit Ups 100 SDHP (45/35#) Complete each round as fast as possible. Rest 2-4 minutes between rounds. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to email a link to a friend (Opens in new window) Email