Quantico 12K
Rise to the Challenge and #RunWithTheMarines through the grounds of the Officer Candidates School (OCS). The 7.46 mile course offers unique access to the training area for future Marine leaders. Registration for the 2026 Quantico 12K is now open at https://www.marinemarathon.com/event/quantico-12k/! All participants can earn a unique finisher medal and participant shirt. Participants must be 14 years or older and able to maintain a 20 minute per mile pace.