Marji Gesick
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About the race
Marji Gesick is a multi-distance mountain bike and trail event held in Marquette County, Michigan. The event includes several options such as MG15, MG50, MG100, a duathlon/Out & Back format, a "Worst of Both Worlds" option, and a rare MG200 that runs once every five years. Dates for the 2027 event are September 17 to 19, 2027, and a preparatory Marji Camp is scheduled for June 3 to 6, 2027.
The production follows a self-supported ethos: the race does not operate aid stations, GPS navigation is mandatory, and checkpoints are at undisclosed locations where tokens are collected. Lost checkpoint tokens result in disqualification. Drop bags are handled at the start and moved to a central location on course. E-bikes are not allowed.
Recommended equipment includes reliable GPS, backup battery and charging cables, lights, tools and spares, hydration and food, and appropriate clothing for variable weather. Some events begin with short run-bike transitions or LeMans-style starts; course routes and detailed information are published the week of the event. Timing is provided by an external timing service. The event is produced by a local 501(c)(3) organization and returns a portion of entry fees to regional trail organizations and maintenance. Visit the organization's website for the most recent information.
