As parents and fans made their way toward the exit at Giant Fitness in Voorhees around 8:15 p.m. on Feb. 7, Southern Regional boys swim team head coach Patrick Craig stood by the lifeguard chair at the opposite end of the pool. All he could do was shake his head and laugh.

“When I talk to coaches of other teams and tell them we have one year-round swimmer, 31 lifeguards and surfers, and a bunch of athletes from other sports, they say ‘Really?’ They can’t believe it,” Craig said moments after the…