tri to get dirty


swimgravel biketrail run

sept 27, 2020

sprint, olympic, duathlon, aquabike, relay
Middleville, Michigan

The Dirty Mitten

Get dirty in 2020 with West Michigan’s NEW triathlon experience.

Forget pavement and skinny tires – get ready to ride gravel and run trails! Located in and around Camp Manitou-Lin in Middleville, Michigan, The Dirty Mitten triathlon consists of a calm lake swim, gravel bike ride, and a trail run in both Sprint and Olympic distances along with Duathlon, Aquabike, and Relay options.

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off the shore of Old Lake Barlow


on the gravel roads of Barry County


on the scenic trails of Camp Manitou-Lin

Dirty News

November 12, 2019 in Gravel, Triathlon

The Dirty Mitten Launches!

On Friday, November 15, John Mosey and Jon Conkling, the dynamic duo and newly appointed Race Directors behind Grand Rapids’ top endurance triathlons, Michigan Titanium and the Grand Rapids Triathlon, announced the launch of a…
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The Dirty Mitten is based out of Camp Manitou-Lin, in Middleville, Michigan, 30 miles south of Grand Rapids. The race begins with a swim in Barlow Lake followed by a bike ride on the gravel roads of Barry County. Finally, challenge yourself with a wooded run on the trails of Camp Manitou-Lin.

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The Dirty Mitten registration is OPEN and  is limited to 600 spots.

Pricing will be tier-based with a limited number of spots per tier, so mark your calendars and get in early for the inaugural year!

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Get Dirty in 2020