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The Marine Corps Marathon's muddiest event, Run Amuck, hosts 3,000 registered runners on a 3.5 mile course with another 1,000 Mini-Run Amuck runners navigating a 1.5 mile scaled version of the course that features grueling obstacles, steep hills and deep mud pits on Marine Corps Base Quantico, VA.

The MCM expands from exclusively hosting running events by introducing the inaugural Quantico Triathlon, a sprint distance race, on August 18 aboard Marine Corps Base Quantico. A 400m pool swim gets athletes ready for the nine-mile bike on paved roads around the Base followed by a 5K run.

A four-mile run hosted by the MCM wouldn't be right without an uphill climb to the finish line. The Crossroads 4-Miler on Sept. 7 is a point-to-point run that starts at Quantico Corporate Center and finishes outside the stunning National Museum of the Marine Corps.

The Marine Corps Marathon Healthy Kids Fun Run will be held on Saturday, October 26 in the Pentagon North Parking Lot. Nearly 3,600 children ages 5-12 will participate in the one-mile just-for-fun event.

Marine Corps Marathon sold out in 2 hours, 27 minutes. But entries still remain available with our Charity Program. Contact the individual charity to get information about fundraising requirements.