Marji Gesick
17–19 September 2027 · Marquette, Michigan · United States
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Self-supported mountain bike race on Michigan’s Upper Peninsula, described by Jeremiah Bishop as “the hardest single-day race in America”. There are no aid stations, GPS is mandatory and riders must collect tokens at undisclosed checkpoints; the 100-mile race begins with a short run. Alongside MG100 and MG50 there are running events and the “Worst of Both Worlds” combination.
- Participation
- Open to all
- Category
- MTB Ultra
- Distances
- 100 / 50 / 15 mi
- Registration
- Registration open
- Country
- United States
Social media & Strava
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Sources
- 906 Adventure Team: Website (2026-10)
- 906 Adventure Team: 2027 Marji Gesick Registration (2026-10)
- Wikipedia: Marquette, Michigan (2026-10)
Checked: Website: 17.–19.9.2027, Anmeldung seit 16.10.2026 über neue Plattform, 10/2026