Trail 50k
Isle du Bois Trail Run
176 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
The Isle du Bois Trail Run occurs on the sweet DORBA trail system within the beautiful Isle du Bois (“Island of the Trees”) Unit of Ray Roberts Lake State Park located 55 miles north of downtown Dallas.