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Dirtfest Weekend presented by PTSportsPRO returns in 2026 with three ways to GET DIRTY!The race starts and ends at the YMCA’s Camp Manitou-Lin in Middleville, MI. Located between Grand Rapids and Kalamazoo, this venue is convenient for all of West Michigan, so there’s no excuse not to attend! We offer 10, 28, and 50-mile courses for riders of all levels. Both the longer routes go west of the camp and are completely different than the Sunday gravel triathlon bike courses. The 10-mile route goes east of the camp.
Race Location: Camp Manitou Lin (1095 N Briggs Rd, Middleville, MI 49333)
This race is part of a three-part event weekend, with a 5K trail run kicking off Saturday morning before the bike race, followed by a gravel triathlon on Sunday. Race all three events to be part of the GreenLeaf Trust Trifecta or race both Saturday and Sunday to earn The Dirty Double!
The gravel bike race is part of the Boundless Grand Prix and the I Love Gravel Race Series.
Registration is now open. For more information, check out: https://boundlessrr.co/the-dirty-mitten-gravel-bike-race-2
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Event Venue
YMCA Camp Manitou-Lin, Middleville, United States
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