Quantico Tri

In 2020, the Quantico Tri will be replaced by a virtual event-the Marine Corps Duathlon. Participants will be challenged to run-bike-run before uploading results and earning status as an official finisher. Receive the stunning participant shirt and earn the unique finisher medal.

-32 Days

Until Event Day August 22nd

Update Coronavirus (COVID-19)

The Quantico Tri has been removed from the event schedule and be replaced by a virtual Marine Corps Duathlon. Registration for the Marine Corps Duathlon is now open.

Register Here



​Exploring Stafford County

Explore the hidden gems that make nearby Stafford County unique. Take in all of the historical attractions, beautiful parks, art exhibits, excellent golf courses, wineries, breweries, and outdoor recreation in one of Virginia’s fastest growing counties.

Read more


​Safety Guidelines for August Live Events

To prioritize the health and safety of the MCM running community and staff, we’re taking preventative measures and implementing the following safety guidelines for all in-person events to help mitigate the spread of the novel coronavirus (COVID-19).

Read more