Ultra Running Hub Timed 50k
The Dark 6 Hours Underground
141 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 Dark is a loop race in the Bellevue Underground Mine with 6, 12, and 24 h categories. The mine shaft is 250m long with a 1% grade, so each loop is 500m. It is approximately 4m wide for most of its length. The goal is to run as far as possible.