![](http://www.alamy.com/thumbs/6/06206CF6-7536-46CD-A5C0-7A4BC3EE73D2/RAEF5E.jpg)
Members of Team Dover sprint the straightaway during a 90 Plus class, hosted by the fitness center, Jan. 30, 2017, at the track on Dover Air Force Base, Del. The Fitness center leads more than 150 free classes each month, including 90 Plus, TS-24, TRX and Extreme Fitness.
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Photo credit: © Chuck Little / Alamy / Afripics
License: Licensed
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