Attention all recruits! Have Fun - Get Dirty!! The Merrell Down & Dirty National Mud Run Series features 5K and 10K off-road courses filled with:
- Military-style Obstacles
- Commanding cargo climbs
- Wild water crossings
- Mud, mud, and More Mud!
- Post-race BBQ and an awesome Tech Tee
Of course, the MM will be there. :-) Chicago's night race... hell yes!