The Dirty Mitten Gravel Triathlon
Always double-check with the organizer's website! This page may contain affiliate links.
Event overview
The Dirty Mitten Gravel Triathlon takes place on Sunday, September 20, 2026. The event is based at Camp Manitou-lin in Middleville, Michigan. It offers two distance groups and multiple race formats, with a virtual option. There are nine event choices in total, including triathlon, duathlon, aquabike, and 2- and 3-person relays across the two distances. Price ranges shown for in-person events are: The Shorty from $53 to $109 and The Long One from $71.33 to $139. A separate virtual entry is listed at $69.
- Sprint - triathlon, duathlon, aquabike, 2- and 3-person relays.
- Olympic - triathlon, duathlon, aquabike, 2- and 3-person relays.
Location and conditions
The venue address is 1095 N Briggs Rd, Middleville, MI 49333. Average air temperatures for the event period are listed as 54 F to 70 F. Average water temperature is listed as 67 F and noted as wetsuit legal. Nearby points of interest named for the area include the Frederick Meijer Garden & Sculpture Park, John Ball Zoo, and the Gerald R. Ford Presidential Library & Museum. The nearest airport listed is Gerald R. Ford International Airport. Visit the organization's website for the most recent information.
