MCM participants will enjoy all the color and motivation on this portion of the marathon course as the Crystal City Family Festival is held in conjunction with the 40th MCM.įrom Crystal City, MCM participants will run along Boundary Channel Drive, making their way to the north side of the Pentagon, as was introduced to last year's MCM course, and then travel along the final stretch on Route 110 in Arlington. It's here that the MCM course will turn into Crystal Park Tower #2, located near South 23rd Street, and continue making a short loop through streets on and off Long Bridge Drive. based web software and interactive services firm, Geocentric, is accessible on the website at Participants will want to note the changes that occur in Crystal City on Crystal Drive. The MCM's vibrant online course map, created with Bethesda, Md. The 40th anniversary of the MCM occurs on Sunday, Oct. The Marine Corps Marathon is debuting its marathon course and online interactive map with slight changes from Miles 22 to 24 of the 26.2 mile course located in Crystal City, Va, Sept.

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