Recce Challenge Adventure Series

Participants of the Recce Challenge Adventure Series Duathlon Race begin the bike portion of the challenge at Beale Air Force Base, Calif., Feb. 21, 2013. Competitors had to bike five miles, run three miles, then bike another five miles to complete the challenge. (U.S. Air Force photo by John Schwab/Released)

Recce Challenge Adventure Series

Runners of the Recce Challenge Adventure Series Duathlon Race run the approximate three mile portion of the race at Beale Air Force Base, Calif., Feb. 21, 2013. Competitors had to bike five miles, run three miles, then bike another five miles to complete the challenge. (U.S. Air Force photo by John Schwab/Released)

Recce Challenge Adventure Series

A competitor of the Recce Challenge Adventure Series Duathlon Race speeds towards the transition zone at Beale Air Force Base, Calif., Feb. 21, 2013. The transition zone is where participants transition from biking to running during the approximately 13 mile challenge. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)

Recce Challenge Adventure Series

A competitor of the Recce Challenge Adventure Series Duathlon Race starts the run portion of the challenge at Beale Air Force Base, Calif., Feb. 21, 2013. Competitors had to bike five miles, run three miles, then bike another five miles to complete the challenge. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)

Recce Challenge Adventure Series

1st Lt. Joseph Simms (left) presents Senior Airman Trevor Hoagland with the Recce Challenge Adventure Series Duathlon 1st place medal at the Harris Fitness Center on Beale Air Force Base, Calif., Feb. 21, 2013. Hoagland completed the 10 mile bike ride and three mile run with a time of 1 hour, 1 minute. (U.S. Air Force photo by John Schwab/Released)

Photos: Recce Challenge Adventure Series

Published Feb. 22, 2013