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The Dark - Bellevue

Name: The Dark - Bellevue
Start: 2025-11-01
End: 2025-11-03
Location: Bellevue

Bellevue, Canada • 1-3 Nov 2025

The Dark is a unique ultramarathon held inside the Bellevue Underground Mine in Alberta, Canada. This loop race features a 500-meter course within a 250-meter mine shaft, with a cool, consistent temperature of 0° to 2°C year-round. Participants can choose to run for 6, 12, or 24 hours, aiming to complete as many laps as possible within their time limit.

The mine tunnel is about 4 meters wide, allowing comfortable running space. The event is limited to 100 solo runners and offers a warming station with food at the mine entrance. Proceeds support the historic Bellevue Underground Mine, and runners receive custom swag. Visit the organization's website for the most recent information.

Canada Alberta Bellevue

Race information

Website

24 km

24-Hour Race

12 km

12-Hour Race

6 km

6-Hour Race

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Jul 11

Sinister 7 Ultra

Crowsnest Pass - 11 km from Bellevue

Sinister 7 Ultra is Western Canada’s biggest trail race, held in Blairmore, Alberta. The event offers four distances in 2026: Solo 100-mile, Solo 50-mile, Solo 50k, and Half Marathon, plus a Sinister 7 Relay for teams of up to seven. Racers..