MARINE CORPS BASE HAWAII - Sgt. Daniel Brown, a radio operator with 3rd Marine Regiment, pauses after swimming laps at the base pool, Feb. 6, 2013. Brown is competing in the Semper Fit Center’s Try-Athlon this month, swimming 2.4 miles, biking 112 miles and running 26.2 miles at his own pace — the equivalent of an Ironman triathlon — during the month of February. (U.S. Marine Corps photo by Kristen Wong) - MARINE CORPS BASE HAWAII - Sgt. Daniel Brown, a radio operator with 3rd Marine Regiment, pauses after swimming laps at the base pool, Feb. 6, 2013. Brown is competing in the Semper Fit Center’s Try-Athlon this month, swimming 2.4 miles, biking 112 miles and running 26.2 miles at his own pace — the equivalent of an Ironman triathlon — during the month of February. (U.S. Marine Corps photo by Kristen Wong)