Quantico Tri

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Privacy Act Statement - 10 USC Para 5041, Headquarters, US Marine Corps, and E.O. 9397 (SSN), and Marine Corps Marathon Charter effective 27 Mar 2007 authorize the collection of this information. The primary use of the collected information is the Marine Corps Marathon Office. The collected information will be used to provide a record of all participants in the annual Marine Corps Marathon for use in organizing the event. Provision of the requested information is voluntary. Failure to provide the information, however, may result in ineligibility to participate in the Marathon. SORN Policy

Agency Disclosure Statement - The public reporting burden for this collection of information, 0703-0053, is estimated to average 5 minutes per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding the burden estimate or burden reduction suggestions to the Department of Defense, Washington Headquarters Services, at whs.mc-alex.esd.mbx.dd-dod-information-collections@mail.mil. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number.

Triumph Register Here

Participate in the Quantico Tri. The field of 650 athletes is anticipated to reach capacity. The sprint distance tri features a 750m open water swim in the Potomac River, followed by a 20K bike ride through the Mainside of Marine Corps Base Quantico, concluding with a scenic 5K run at Officer Candidate School. Enjoy unprecedented access to unique locations on the Base.

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Registration fee for the Quantico Triathlon is $75 through June 30. Beginning on July 1, the entry fee increases to $90. Registration includes official event timing/results, a technical participant shirt and hospitality including Mic Ultra beer garden at the finish line. All finishers receive a commemorative medal and are eligible for award recognition. Registration will open at noon EST on April 25, 2018.

Transfer Program

Quantico Tri or 12K registered participants may transfer an entry to a non-registered individual or switch from one August 26th event to the other. Fees apply. Runners often find transfer partners on the MCM Facebook page. The transfer program is now closed.


A wide variety of volunteer positions will be available offering numerous ways for individuals and groups to support event day. Currently, Quantico Tri/12K volunteer registration is closed but exciting opportunities exist to support other MCM events.


Tried and True Get Ready for the Challenge

Event Info

Hosted at Officer Candidates School, the Quantico Tri is an open water swim in the Potomac, with bike and run courses throughout Marine Corps Base Quantico.

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Course Map

Sprint-distance tri with a swim in the Potomac River, followed by a ride through Quantico and concluding with a 5K run. Accompanied by the Quantico 12K run offering a unique view of the Offer Candidates School at the "Crossroads of the Marine Corps."

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Minutes away from Marine Corps Base Quantico and the Quantico Tri course, the Holiday Inn Quantico Center is dedicated to help make runners' stay unforgettable.

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