Running improves your cardiovascular strength and endurance. The RECON Marines physical test includes a timed run; you must complete a three-mile run in 18 minutes.
Passing the RECON Marines fitness test requires performing 20 pull-ups in an unlimited amount of time.
To join the RECON Marines you have to complete 80 sit-ups in two minutes.
Recon Water-Based Training
Recon Marines are expected to be just as comfortable in the water as on land. At the Basic Recon Course, Marines are expected to swim 25 m underwater, float for 5 minutes, tread water with clothing on for 30 minutes, jump into a pool from 3 m or higher, retrieve their weapons from up to 15 feet of water and then swim 500 m.