60 Days
Until Event Day June 19th
All the details
To run the trails

Live Event Info
Crisscross 9.3 miles of wooded trails established on Quantico. The challenging course will test the mettle of even the best of athletes.

Virtual Event Info
Unique features are available to help mark your virtual Crossroads Trail 15K accomplishment.
Post 04.16.2021
MCMO Volunteer Spotlight – Scott Larimer
Scott Larimer joined the Marine Corps Marathon Organization’s (MCMO) volunteer group. It’s his way of not only giving back to the community that has been a part of his family for generations but also an opportunity to practice his skills as a HAM operator. A talented videographer, Larimer also supported the 2019 Marine Corps Marathon (MCM) by filming the HAM training for all the HAM operators who were unable to attend the meeting.
Post 04.16.2021
MCMO Volunteer Spotlight: David Lane
David Lane has been volunteering with the Marine Corps Marathon Organization (MCMO) for the last 20 years. As the Emergency Coordinator of the Prince William County Amateur Radio Emergency Service, Lane has been a key part of organizing the local amateur radio or HAM support for MCMO events.
Post 03.22.2021
Introducing the New MCMO Four-Star Diplomat Program
You could be one of the original MCMO Four Star Diplomats. A team of social media savvy runners who are enthusiastic about the sport, participate in MCMO events and identify with the MCMO's mission.