4 rounds, each for time: Air bike calories (10 | 15) 50-meter swim 10 GHD sit-ups 10 ball slams (40 | 60 lb.) Rest Begin a new round every 4 minutes *Rounds 2 and 4 performed in reverse This event is broken into 4 separate chippers, each for time. Athletes will begin with the air bike at 0:00, then will swim across the pool, complete 10 GHD sit-ups, and finish with 10 ball slams for time. At 4:00 the same work will be performed in reverse order: ball slam, GHD sit-up, swim, then air bike, again for time. Rounds 3 and 4 will take the athletes down and back in the same fashion. The athlete's score for the event will be the sum of their times from each round, with the fastest total time winning.