Dirty Burg

JUL
11
2026
Trail running at Cannonsburg Ski Area in Belmont, Michigan with 50K, 25K, 10K and 5K options; the 10K loop mixes rolling single track with a 0.7 mile ski hill climb and descent.
Sat 11 Jul 2026
50 kilometers 25 kilometers 10 kilometers 5 kilometers

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Dirty Burg

Dirty Burg is held at Cannonsburg Ski Area in Belmont, Michigan, located at 6800 Cannonsburg Rd. The event offers multiple trail distance options.

  • 50K
  • 25K
  • 10K
  • 5K

The primary course is a 10K loop that includes 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 plus two 10K loops. The 50K consists of five repeats of the 10K loop.

A short sleeve tech shirt is included with the fee for registrations completed by June 25. Extra shirts will be purchased; if a shirt size remains selectable during registration, that size is available. Registration closes Thu, Jul 9 @ 11:59PM ET. Visit the organization's website for the most recent information.

50 km
50k
25 km
25k
10 km
10k
5 km
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