Osan Cup: Running, Bicycling -- Duathalon

Competitors take off as a race combining both running and cycling commences during the second annual base-wide competition at Osan Air Base, Republic of Korea, Sept. 30, 2015. The Osan Cup is a two-day contest with a variety of events designed to play to different strengths and promote healthy competition.
(U.S. Air Force photo/Staff Sgt. Amber Grimm)

Competitors take off as a race combining both running and cycling commences during the second annual base-wide competition at Osan Air Base, Republic of Korea, Sept. 30, 2015. The Osan Cup is a two-day contest with a variety of events designed to play to different strengths and promote healthy competition. (U.S. Air Force photo/Staff Sgt. Amber Grimm)

Airmen and Soldiers from across the base engaged in a race that combined both running and cycling as part of the second annual Osan Cup held at Osan Air Base, Republic of Korea, Sept. 30, 2015. Competing either alone or as a member of a team the participants contributed to their squadrons overall standing during the two-day event.
(U.S. Air Force photo/Staff Sgt. Amber Grimm)

Airmen and Soldiers from across the base engaged in a race that combined both running and cycling as part of the second annual Osan Cup held at Osan Air Base, Republic of Korea, Sept. 30, 2015. Competing either alone or as a member of a team the participants contributed to their squadrons overall standing during the two-day event. (U.S. Air Force photo/Staff Sgt. Amber Grimm)

Airmen and Soldiers from across the base engaged in a race that combined both running and cycling as part of the second annual Osan Cup held at Osan Air Base, Republic of Korea, Sept. 30, 2015. Competing either alone or as a member of a team the participants contributed to their squadrons overall standing during the two-day event. 
(U.S. Air Force photo/Staff Sgt. Amber Grimm)

Airmen and Soldiers from across the base engaged in a race that combined both running and cycling as part of the second annual Osan Cup held at Osan Air Base, Republic of Korea, Sept. 30, 2015. Competing either alone or as a member of a team the participants contributed to their squadrons overall standing during the two-day event. (U.S. Air Force photo/Staff Sgt. Amber Grimm)

A runner takes off as his team member cycles in during a dual component race held as part of the second annual Osan Cup held at Osan Air Base, Republic of Korea, Sept. 30, 2015. Competing either alone or as a member of a team the participants contributed to their squadrons overall standing during the two-day event.
(U.S. Air Force photo/Staff Sgt. Amber Grimm)

A runner takes off as his team member cycles in during a dual component race held as part of the second annual Osan Cup held at Osan Air Base, Republic of Korea, Sept. 30, 2015. Competing either alone or as a member of a team the participants contributed to their squadrons overall standing during the two-day event. (U.S. Air Force photo/Staff Sgt. Amber Grimm)

Bikes are lined up at the ready to be used in the second portion a race held at Osan Air Base, Republic of Korea, Sept. 30, 2015. The race was part of the second annual Osan Cup, a two-day contest with a variety of events designed to play to different strengths and promote healthy competition.
(U.S. Air Force photo/Staff Sgt. Amber Grimm)

Bikes are lined up at the ready to be used in the second portion a race held at Osan Air Base, Republic of Korea, Sept. 30, 2015. The race was part of the second annual Osan Cup, a two-day contest with a variety of events designed to play to different strengths and promote healthy competition. (U.S. Air Force photo/Staff Sgt. Amber Grimm)