Mark Warkentin

Mark Warkentin is an American open [water swimmer] and swimming coach.
After graduating from San Marcos High School in 1998, Warkentin attended the University of Southern California, from which he graduated in 2003 with a degree in communication. While a Trojan, he was a four-time All-American. He was also awarded USC's Willis Award as a freshman.
Warkentin qualified for the 2008 Summer Olympics in Beijing following his performance at the 2008 Open Water World Championships. In the lead-up to the Games he was noted by Time as one of its "100 Olympic Athletes To Watch." He is a two-time national champion in the open water 25-kilometer, the longest sanctioned race in the sport. The open water event at the Olympics was a 10-kilometer race, which typically lasts around two hours. Warkentin finished in eighth place with a time of 1:52:13.0, just twenty-one seconds behind winner Maarten van der Weijden.
Warkentin became head coach of the Santa Barbara Swim Club on December 1, 2012, returning to lead his childhood team.