Bigger than big. The MCM welcomes a new distance to conquer when the MCM50K is inaugurated on October 27. The MCM50K shares a start line with the Marine Corps Marathon in Arlington, VA. Participants will begin the MCM50K prior to the Marathon and run the entire MCM course with the addition of a 4.87-mile diversion at Mile 4.5.

Upcoming Races

Oct 27 2019
50 KM
1 Elevation Rating
Flat or nearly flat
1 Surface Rating
Paved or very smooth surface


No Past Races
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.
Earth Day 50K
  • Apr 18, 2020
  • Crystal Lake, IL
50 KM