The Dirty Mitten Gravel Triathlon
Sun, Sep 20, 2026, 8:30 AM EDT
- Type
- Triathlon
Sign up and verify details on the organizer’s official page.
At a glance
Claim your spot at the self-proclaimed Gravel World Championship of the Universe, offering a fun, challenging gravel triathlon experience for all levels.
- Fun
- Competitive
- Quirky
Fun
Competitive
QuirkyGreat for
- Beginner Friendly
Beginner FriendlyThe Dirty Mitten Gravel Triathlon, held at Camp Manitou-lin, invites you to experience what they playfully call the "2026 Gravel World Championship of the Universe." This event offers a unique blend of challenge and accessibility, with options ranging from a beginner-friendly sprint, "The Shorty," to a more demanding Olympic-distance, "The Long One." Participants can choose from triathlon, aquabike, duathlon, and relay formats across both distances, plus a virtual option. It's an opportunity to join a community that embraces the "awesomeness" of gravel racing in Middleville, MI.
What to expect
- Engage in a gravel triathlon, aquabike, duathlon, or relay event.
- Choose between a beginner-friendly sprint, 'The Shorty,' or a more challenging Olympic distance, 'The Long One.'
- Experience the event virtually if you prefer.
Standout details
- Self-proclaimed Gravel World Championship
- Beginner-friendly sprint option available
- Triathlon, aquabike, duathlon, and relay
- Virtual participation option
Effort level
Overall course read based on terrain, elevation, footing, and typical conditions.
Steady Effort
Typical course trends
- Typically rolling
- Gravel footing
Distances & registration
9 optionsUse the official signup link above for all distances.
39.5 Miles
3 options · closes Sep 19, 2026, 7:59 PM EDT
4mo 23d 18h 49m leftThe Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $139.24
The Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $71.05
The Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $105.32
42 Miles
1 option · closes Sep 19, 2026, 7:59 PM EDT
4mo 23d 18h 49m leftThe Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $139.24
Other options
1 option · closes Sep 19, 2026, 7:59 PM EDT
4mo 23d 18h 49m leftThe Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $75.64
17.5 Miles
3 options · closes Sep 19, 2026, 7:59 PM EDT
4mo 23d 18h 49m leftThe Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $51.61
The Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $65.57
The Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $107.44
20 Miles
1 option · closes Sep 19, 2026, 7:59 PM EDT
4mo 23d 18h 49m leftThe Dirty Mitten Gravel Triathlon
Closes Sep 19, 2026, 7:59 PM EDT · From $107.44
Auto-drafted from the public listing — confirm details on the official event page before signing up.
From the organizer
THE DIRTY MITTEN IS PROUD TO BE THE 2026 GRAVEL WORLD CHAMPIONSHIP OF THE UNIVERSE (yeah, we made that up, but the event is so good we are sticking with it) !
Based out of Camp Manitou-lin in Middleville, MI, The Dirty Mitten offers a beginner friendly sprint option (The Shorty), and a more challenging Olympic (The Long One) course.
9 EVENTS TO CHOOSE FROM : 4 events at each distance: The Shorty (sprintish), The Long One (olympicish), both feature triathlon, aquabike, duathlon and relay... plus you can join us virtually!
TO DO : Frederick Meijer Garden & Sculpture Park , John Ball Zoo , Gerald R. Ford Presidential Library & Museum
AIRPORT : Gerald R Ford International Airport
AIR TEMP (AVG) : 54 F / 70 F
WATER TEMP (AVG): 67 F and wetsuit legal
We think we are awesome but will admit we are biased. Check out our athlete's forum to ask questions from those who have already experienced the awesomeness that is The Dirty Mitten!