Race. Train. Gear up.
Saturday, June 6, 2026 Decorah, IA, USA
Trail 50k

Crater 50km Trail Run - Driftless Discovery

Race completed
50km Distance
2.5 Grit Score
Entry Level Level
Vertical Intensity 0 D+/km
Flat Hilly Mtn

This course is relatively flat and fast. Ideal for PB attempts.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat 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

The trails are groomed, marked and ready for the more adventurous types like you. This area is part of the outstanding 17-mile system of single-track mountain bike trails. Here is your chance to challenge your body by running them.