The Dirty Mitten Gravel Triathlon
- Date
- September 20, 2026
- Distance
- The Shorty Triathlon (Sprint) · The Shorty Duathlon (Sprint) · The Shorty Aquabike (Sprint) & more
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!
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
73°
Typical Low
48°
Chance of Rain
36%
Based on US Climate Normals data from Hastings, 10 mi from the venue.
Host City
About Middleville, MI
Elevation
756 ft
Nearest Airport
GRR
Gerald R. Ford International Airport · 13 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at The Dirty Mitten Gravel Triathlon, put it on the calendar, and turn “someday” into a start date.
104
Days to train
- Race
- The Dirty Mitten Gravel Triathlon
- Date
- September 20, 2026
Coming Up
More Triathlon races near Middleville, MI
Cereal City Athletics Youth Tri Club
Youth
24 miles away
River Trail Adventure Triathlon
19 miles away
Cereal City Triathlon & Duathlon
33 miles away
TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event
Olympic · Sprint
Less than a mile away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.
Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.
Triathlon
Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think.
Frequently Asked Questions (FAQs)
- What is The Dirty Mitten Gravel Triathlon?
- The Dirty Mitten Gravel Triathlon is a triathlon race held in Middleville, Michigan on September 20, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more triathlon races near you or explore our sports guides to learn what race day actually feels like.
- When and where is The Dirty Mitten Gravel Triathlon?
- Sunday, September 20, 2026 in Middleville, Michigan at 1095 N Briggs Rd, Middleville, MI. Check the event page for exact start times and wave schedules.
- How do I register for The Dirty Mitten Gravel Triathlon?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
The Dirty Mitten Gravel Triathlon
Sep 20, 2026