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!
Sep 20, 2026
Distance — The Dirty Mitten Virtual
Type — Water sports
08:30
$69.00
Sep 20, 2026
Distance — 33.5 Miles
Type — Water sports
08:30
$129.00
Sep 20, 2026
Distance — 42 Miles
Type — Water sports
08:30
$129.00
Sep 20, 2026
Distance — 39.5 Miles
Type — Water sports
08:30
$97.00
Sep 20, 2026
Distance — 39.5 Miles
Type — Water sports
08:30
$64.67
Sep 20, 2026
Distance — 39.5 Miles
Type — Water sports
08:30
$129.00
Sep 20, 2026
Distance — 14.5 Miles
Type — Water sports
09:00
$99.00
Sep 20, 2026
Distance — 20 Miles
Type — Water sports
09:00
$99.00
Sep 20, 2026
Distance — 17.5 Miles
Type — Water sports
09:00
$59.50
Sep 20, 2026
Distance — 17.5 Miles
Type — Water sports
09:00
$46.33
Sep 20, 2026
Distance — 17.5 Miles
Type — Water sports
09:00
$99.00
These values represent the 3-year monthly averages for September in Middleville.
Learn more about the host city, Middleville.
Middleville is a village in Thornapple Township, Barry County, in the U.S. state of Michigan. Middleville is part of the Grand Rapids metropolitan area. The population was 4,295 at the 2020 census.
Read more launchRead what other athletes have to say about their experience at the The Dirty Mitten Gravel Triathlon.
Be the first to share your experience with the community!
Spotted an error or missing detail about the The Dirty Mitten Gravel Triathlon? Help us improve.
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location_on Middleville, Michigan, US
calendar_today Sep 12, 2026
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