Run Amuck

Run Amuck, the MCM's messiest mud and obstacle event, becomes a DIY (do-it-yourself) adventure as runners create the most challenging and Instagram-worthy running experience. Follow the DIY checklist to build a memorable course filled with obstacles, exploration and PT challenges while covering 3.5 miles. This new virtual-only version of Run Amuck offers wild fun for rowdy runners (ages 7 and up), outrageous athletes and fun-loving families.

For those participants in the Crossroads Challenge, DIY Run Amuck must be completed by August 20, 2020. All others have until August 31 to complete the event requirements. All registered participants will receive the event shirt and finisher coin with skull design.

COVID-19 Update

The popular Run Amuck will become a virtual-only, choose-your-own adventure event with a checklist of fitness challenges, scavenger hunt adventures and DIY possibilities.

Participants can still complete the Crossroads Challenge by running the live or virtual Belleau Wood 8K or the Recon Ruck and participating in the DIY Run Amuck.

Registration for these events open at noon ET on Wednesday, May 20, 2020 at By Wednesday, June 10 at 11:59 p.m., previously registered runners will have the option to:

  • Switch to an August 22 event on Marine Corps Base Quantico
  • Transfer to the virtual option
  • Defer the fee for credit to MCMO events through November 2021 not including the MCM or MCM50K.

Runners will be emailed further instructions including a link to their personal event change form within the next 24 hours. This link is exclusive to the individual runner and may only be accessed through the email address provided by participants during registration.

The Quantico 12K, the Belleau Wood 8K and Recon Ruck cost $45 per entry for live events. The virtual entry fee for all events is $28. The Crossroads Challenge entry fee will be determined by the mix of live and/or virtual events selected.


Everyone's favorite running adventure becomes a choose-your-own adventure with the new DIY Run Amuck.

To officially participate in the DIY Run Amuck, download the checklist as a guide for completing the requirements for this choose-your-own adventure run. Participants may choose from a variety of challenge options across four category areas including:

  • Run: 3.5 miles
  • Discover: scavenger hunt through the neighborhood taking selfies or pics as proof
  • Exercise: completing four PT exercises from the Marine Daily Dozen
  • Water: creating a water or mud obstacle

Check the items off the list as completed. Runners are invited to share the final document with selfies or pics from the DIY Run Amuck on social media with hashtags #RunWithTheMarines and #DIYRunAmuck. Finish time data must be uploaded into the runner's Haku account. This is essential for Crossroads Challenge participants.

Download Checklist