Race. Train. Gear up.
Saturday, July 25, 2026 Munising, MI, USA
Trail 50k

Grand Island 50 km Race

43 days away
50km Distance
1,135m Elevation
4.2 Grit Score
Challenging Level
Vertical Intensity 23 D+/km
Flat Hilly Mtn

Moderate undulations. Requires consistent effort across varying grades.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Course Intelligence

OPENFREE MAP (LIBRE)

Course Notes

Perimeter trail of a wilderness island in Lake Superior. 100 meter red sandstone cliffs, white sand beaches and the endless blue of Lake Superior, the largest freshwater lake on Earth. Runners take a plunge in the cool waters of the lake afterward.