Dirty Burg
Plainfield Township, United States • 11 Jul 2026
Dirty Burg - Belmont, MI
The Dirty Burg is held at Cannonsburg Ski Area in Belmont, Michigan and is organized by Switchback Endurance. The event uses trails on the ski area and the address is 6800 Cannonsburg Rd.
The primary course is a 10k loop that comprises about 5.5 miles of rolling single track plus a 0.7 mile run up and down the ski hill. The 5k follows the same loop with a shortcut and includes the ski hill at the end. The 25k consists of one 5k loop and two 10k loops. The 50k is five repetitions of the 10k loop.
Distances:
- 50K five 10k loops
- 25K one 5k loop plus two 10k loops
- 10K standard 10k loop
- 5K shortened loop with ski hill at the end
Registration closes Thu, Jul 9 at 11:59PM ET. A short sleeve tech shirt is included with the fee if registration is completed by June 25; extra shirts will be purchased as available. The event includes a Dirty Double option that pairs this race with the Boothe the Yankee Springs Winter Challenge and provides a comparative hat with the exclusive Dirty Double logo. Visit the organization's website for the most recent information.