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marjigesick100.com

Marji Gesick

location_city Ishpeming

location_on Michigan

flag United States

calendar_today 18 Sep, 2026 – 20 Sep, 2026

directions_bike Cycling

language Official Website

Register

About the Event

Test your limits at one of America's most demanding self-supported mountain bike challenges, the Marji Gesick. Held in Marquette, Michigan from September 18-20, 2026, this race is a legendary proving ground on the rugged trails of Michigan's Upper Peninsula. The event operates on a strict self-supported ethos, requiring riders to navigate over 100 miles of rocky, root-filled singletrack with relentless climbs and unpredictable weather. It's more than a race; it's a personal journey to find your absolute limit, famously described as "the hardest single-day mountain bike race in America." Registration for the 2026 edition opens on October 17, 2025, and a dedicated training camp in June helps athletes prepare for the unparalleled challenge. Created to honor the Ojibwe leader Mah-je-ge-zhik, the race demands mental grit as much as physical endurance, offering a brutally authentic adventure where finishing is the ultimate victory.

Races Offered

100 Mile Bike

Sep 19, 2025

straighten

Distance — 160.9K

terrain

Type — Mountain biking

timer

261 days remaining

100 Mile Run

Sep 19, 2025

straighten

Distance — 160.9K

terrain

Type — Mountain biking

timer

261 days remaining

50 Miler Bike

Sep 19, 2025

straighten

Distance — 80.5K

terrain

Type — Mountain biking

timer

261 days remaining

50 Miler Run

Sep 19, 2025

straighten

Distance — 80.5K

terrain

Type — Mountain biking

timer

261 days remaining

Mini- Marji

Sep 19, 2025

straighten

Distance — Mini- Marji

terrain

Type — Mountain biking

timer

261 days remaining

Weather Overview

These values represent the 3-year monthly averages for September in Ishpeming.

Temp (°C)
Feels Like (°C)
thermostat 11.7° / 21.3°
wb_sunny 9.4° / 19.6°
Wind (km/h)
Humidity (%)
air 12.0 /
water_drop 77.9%

About Ishpeming

Scenic view of

Ishpeming is a town in the Upper Peninsula of the state of Michigan.

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Hotels & Places to Stay

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