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The Marine Corps Marathon is a historic race in Washington, D.C. that draws over 30,000 participants from all 50 states and over 60 countries. To date, the Marine Corps Marathon is the largest marathon in the world that does not offer prize money, earning it the nickname “The People’s Marathon”. This monumental race invites runners of all caliber levels to #RunWithTheMarines! The only thing better than completing a tough physical feat, is completing a tough physical feat while helping service members, veterans, caregivers and their families!

This year, COSF has 30 dedicated athletes participating in the Marine Corps Marathon! Our team is comprised of COSF staff, board members, donors, service members, veterans and college students!


Thank you to our 2019 Marine Corps Marathon Sponsor - TSYS!

If you’d like to donate to our team, you can pick the athlete of your choice below.