33rd Annual Yokota Striders Ekiden

A father and daughter cross the finish line together with their hands up at the 2K Family Run during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

A father and daughter cross the finish line together with their hands up at the 2K Family Run during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

Children run the home stretch of the 2K Kids Run during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. The races, which consisted of a 2K Kids Run, 2K Family Run, 5K Race and the main Ekiden Race event, promoted friendship and physical fitness. (U.S. Air Force photo by Machiko Arita)

Children run the home stretch of the 2K Kids Run during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. The races, which consisted of a 2K Kids Run, 2K Family Run, 5K Race and the main Ekiden Race event, promoted friendship and physical fitness. (U.S. Air Force photo by Machiko Arita)

Runners dress up as Avatar characters and pose for a photo during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

Runners dress up as Avatar characters and pose for a photo during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

Zumba instructors lead race participants in a warmup before the 33rd Annual Yokota Striders Ekiden race at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

Zumba instructors lead race participants in a warmup before the 33rd Annual Yokota Striders Ekiden race at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

Runners participate in the 5K Race during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. The races, which consisted of a 2K Kids Run, 2K Family Run, 5K Race and the main Ekiden Race event, promoted friendship and physical fitness. (U.S. Air Force photo by Machiko Arita)

Runners participate in the 5K Race during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. The races, which consisted of a 2K Kids Run, 2K Family Run, 5K Race and the main Ekiden Race event, promoted friendship and physical fitness. (U.S. Air Force photo by Machiko Arita)

A runner participates in the 5K Race during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. The races, which consisted of a 2K Kids Run, 2K Family Run, 5K Race and the main Ekiden Race event, promoted friendship and physical fitness. (U.S. Air Force photo by Machiko Arita)

A runner participates in the 5K Race during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. The races, which consisted of a 2K Kids Run, 2K Family Run, 5K Race and the main Ekiden Race event, promoted friendship and physical fitness. (U.S. Air Force photo by Machiko Arita)

Competitors start running the main event, the Ekiden at Yokota Air Base, Japan, June 4, 2017. An Ekiden is a Japanese long distance relay that consists of teams of runners covering a certain distance. The Yokota Ekiden is 20K in distance made up of four runners each running a 5K. (U.S. Air Force photo by Machiko Arita)

Competitors start running the main event, the Ekiden at Yokota Air Base, Japan, June 4, 2017. An Ekiden is a Japanese long distance relay that consists of teams of runners covering a certain distance. The Yokota Ekiden is 20K in distance made up of four runners each running a 5K. (U.S. Air Force photo by Machiko Arita)

A participant runs the Ekiden Race at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

A participant runs the Ekiden Race at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

A participant runs in costume during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. An Ekiden is a Japanese long distance relay that consists of teams of runners covering a certain distance. The Yokota Ekiden is 20K in distance made up of four runners each running a 5K. (U.S. Air Force photo by Machiko Arita)

A participant runs in costume during the 33rd Annual Yokota Striders Ekiden at Yokota Air Base, Japan, June 4, 2017. An Ekiden is a Japanese long distance relay that consists of teams of runners covering a certain distance. The Yokota Ekiden is 20K in distance made up of four runners each running a 5K. (U.S. Air Force photo by Machiko Arita)

An Ekiden runner passes a sash to their relay teammate during the 33rd Annual Yokota Striders Ekiden Race at Yokota Air Base, Japan, June 4, 2017. An Ekiden is a Japanese long distance relay that consists of teams of runners covering a certain distance. The Yokota Ekiden is 20K in distance made up of four runners each running a 5K. (U.S. Air Force photo by Machiko Arita)
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An Ekiden runner passes a sash to their relay teammate during the 33rd Annual Yokota Striders Ekiden Race at Yokota Air Base, Japan, June 4, 2017. An Ekiden is a Japanese long distance relay that consists of teams of runners covering a certain distance. The Yokota Ekiden is 20K in distance made up of four runners each running a 5K. (U.S. Air Force photo by Machiko Arita)

A participant in costume exchanges low-fives with children during the 33rd Annual Yokota Striders Ekiden Race at Yokota Air Base, Japan, June 4, 2017. The races, which consisted of a 2K Kids Run, 2K Family Run, 5K Race and the main Ekiden Race event, promoted friendship and physical fitness. (U.S. Air Force photo by Machiko Arita)
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A participant in costume exchanges low-fives with children during the 33rd Annual Yokota Striders Ekiden Race at Yokota Air Base, Japan, June 4, 2017. The races, which consisted of a 2K Kids Run, 2K Family Run, 5K Race and the main Ekiden Race event, promoted friendship and physical fitness. (U.S. Air Force photo by Machiko Arita)

Participants in the Ekiden Race cross the finish line at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)
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Participants in the Ekiden Race cross the finish line at Yokota Air Base, Japan, June 4, 2017. More than 5,000 runners participated in the event hosted by the Yokota Striders Running Club. (U.S. Air Force photo by Machiko Arita)

Yokota Air Base, Japan --