Ultra Running Hub
Trail 50k
Dirty Dozen 50k Trail Run
41 days away
50km Distance
2.5 Grit Score
Entry Level Level
Vertical Intensity 0 D+/km
This course is relatively flat and fast. Ideal for PB attempts.
The Aid Station
Course-specific beta from the community
This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Course Intelligence
OPENFREE MAP (LIBRE)Course Notes
If you feel like you want to be one of the Dirty Dozen, we've got a mission for you! This mission is of the ultra and mentally challenging variety: the ultra part is to run 50k, the mental part is to do so while doing 12 hilly loops in Forrest Park.