A participant maneuvers through an obstacle during the annual Marine Corps Marathon (MCM) Run Amuck race at Marine Corps Base Quantico, Va., June 10, 2017. The Run Amuck is the MCM's messiest mud and obstacle course consisting of a four-mile trail with 21 challenges to include ammo can relay, low crawl, and a mud pit. The event also included a scaled down two-mile version of the course, the Mini Run Amuck.

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Photo credit: © Dudley Little / Alamy / Afripics
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Keywords: air, america, archive, armed, army, defence, force, forces, marathon, mcbq, mcu, military, navy, quanticombatcamera, race, reportage, runamuck, service, serviceman, servicemen, soldier, states, united, usa, usmc, usmccomcamfeature