ORAMM (The Off-Road Assault On Mt. Mitchell)
📍 North Carolina, USA
mtb
Date
24–26 July 2026
Distance
98.5km · 100.9km
Elevation
2,712 m
Difficulty
mtb
Marji Gesick Mountain Bike Race
Michigan, USA · 18–20 September 2026
Difficulty: 5/5 — Brutal
The Marji Gesick Mountain Bike Race is an extremely challenging, self-supported event featuring multiple distances up to 200 miles over treacherous, un-signed mountain bike trails in Michigan. Known as "The hardest single-day mountain bike race in America," it demands significant preparation and self-reliance.
Visit official site →- Distances
- 15 miles · 50 miles · 100 miles · 200 miles
- Surface
- singletrack, dirt
- Typical W/kg
- 3–4
Rider fit
Who it's for
This race is for highly prepared and self-sufficient endurance athletes seeking to test their absolute physical and mental limits against one of the hardest mountain bike challenges in the country.
Who will struggle
Riders who are unprepared for extreme self-reliance, technical and treacherous terrain, potential overnight riding, or those expecting external aid or course markings will likely find this event overwhelmingly difficult and dangerous.
Training focus
Training should prioritize extreme endurance, advanced mountain bike handling skills, comprehensive self-sufficiency for remote conditions, and robust mental fortitude to overcome prolonged fatigue and challenging environments.
Are you ready for this race?
Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.
FAQs
Are there aid stations provided during the race?+
No, the Marji Gesick operates under a self-supported ethos. The race does not provide aid stations or any external support; participants are entirely responsible for their own supplies and assistance.
What essential gear is required for the race?+
A recommended gear list is provided for each event, which participants must find, acquire, train with, and learn to use. Additionally, GPS is mandatory for navigation as the course is not signed.
What are the start times and locations for the main bike events?+
The 100-mile bike race starts Saturday at 7:30 AM from the Forestville Trailhead, while the 50-mile bike race begins Saturday at 8:00 AM from the Lower Harbor Ore Dock.
Are there cut-off times for the cycling events?+
Yes, all Marji Gesick events, including the cycling races, conclude on Sunday morning at 8:30 AM ET.
Can I use an e-bike in the race?+
No, e-bikes are explicitly not permitted for participation in the Marji Gesick Mountain Bike Race.
How are drop bags handled?+
Participants can bring their drop bag to the start line, where staff will move it to Jackson Park. For Out & Back racers, a drop bag can be left at Forestville for Saturday morning.