Distance
Start Time
Cutoff
Terrain
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.
Underground mine loop
Constant temperature 0-2°C
500m loop with 1% grade
Start / Finish
Bellevue Underground Mine entrance
Bellevue Underground Mine entrance
Terrain
Route
Race Day
What to bring
Race Bib
Timing Chip
What you get
Finisher medal
Chip timing
Custom snap-back hat as swag item
On the day
Toilets
Bag drop
Food vendors
Marshals on course
First aid on course
Before you enter
Other questions
The Bellevue Underground Mine is typically between 0°C to 2°C all year.
Yes, the limit is 100 participants.
Outside the mine's entrance there are food tents, aid stations, bathrooms, and sleeping areas.
The event also features 6-hour and 12-hour categories, but only the 24-hour results are listed on this page.
Yes! The race is on Halloween and there are family-friendly activities including trick-or-treating and a 'Kids in the Dark' lap through the mine.
Entry fee
Registration isn't open yet. We'll show pricing when the organiser confirms.Bellevue, Canada
Expected July 2027
Provisional date, around Jul 4Are you the organiser of 4th The Dark 24 Hours Underground?
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