Next Event Date: October 31, 2026
OVERVIEW
The Dark: 24 Hours Underground is one of the most unique endurance events in Canada — a full‑day running challenge held inside the historic Bellevue Underground Mine in the Crowsnest Pass. Combining the grit of ultrarunning with the eerie, echoing atmosphere of an abandoned mine, The Dark delivers a race experience unlike anything else in Alberta. With dim tunnels, cool subterranean air, and the rhythmic crunch of gravel underfoot, runners push themselves through a world where time feels suspended and the outside world disappears.
Known for its creativity, atmosphere, and community‑driven spirit, The Dark attracts ultrarunners, adventure‑seekers, and athletes who crave something truly different. Whether you’re chasing a personal distance record or simply embracing the thrill of running underground, this event offers a raw, immersive, and unforgettable challenge.
RACE DISTANCES OVERVIEW
The Dark uses a timed‑race format rather than fixed distances, allowing runners to define their own goals:
- 6‑Hour Event — A fast, focused effort ideal for newcomers or runners testing the underground environment.
- 12‑Hour Event — A gritty mid‑duration challenge blending pacing, strategy, and mental toughness.
- 24‑Hour Event — The full Dark experience: a test of endurance, rhythm, and resilience in the depths of the mine.
Each timed category highlights the surreal, atmospheric nature of running beneath the earth.
THE RACE
The Dark: 24 Hours Underground celebrates the spirit of endurance in one of the most unusual race environments imaginable. The course loops through the mine’s tunnels, blending long straightaways, gentle curves, and subtle elevation changes. The cool, stable underground temperature creates ideal running conditions, while the enclosed space adds a mental challenge that rewards focus, rhythm, and resilience.
Runners experience:
- A well‑organized, volunteer‑powered event with strong community energy
- A consistent, sheltered loop ideal for pacing and distance breakthroughs
- A surreal, atmospheric environment unlike any other race in Alberta
- Frequent access to aid, hydration, and personal gear
- A supportive, inclusive atmosphere where every lap is celebrated
Whether you’re chasing a milestone or embracing the novelty of underground running, The Dark delivers a challenge that feels both fierce and unforgettable.
WHY RUN THE DARK: 24 HOURS UNDERGROUND
The Dark is more than a race — it’s an experience. Participants return because of:
- Limited to 100 Solo runners
- A one‑of‑a‑kind race environment found nowhere else in Canada
- A format that welcomes all abilities and celebrates every lap
- A supportive, grassroots vibe shaped by passionate volunteers
- Clear markings, smooth logistics, and thoughtful safety planning
- The powerful sense of accomplishment that comes from pushing your limits in a surreal underground world
With its unique setting and strong community spirit, The Dark stands out as one of Alberta’s most memorable endurance events.
EVENT AMENITIES
The Dark focuses on runner comfort, safety, and the unique rhythm of underground racing. Participants benefit from:
- Pre‑race check‑in and safety briefing
- A central staging area for tents, chairs, and personal gear
- Frequent aid station access with hydration, nutrition, and encouragement
- Course marshals and volunteers supporting runners throughout the event
- Post‑race food, recovery space, and celebration area
Every detail is crafted to help runners stay steady, supported, and ready for the next lap.
COMMUNITY & GATHERING SPACES
Community is at the heart of The Dark. Throughout the event, runners, families, and volunteers gather at:
- The Underground Start/Finish Zone — the central hub where every lap begins and ends
- Crew and Gear Areas — where runners rest, refuel, and reset
- Finish‑line and celebration spaces — where stories are shared and accomplishments are honoured
These spaces create the camaraderie that makes The Dark feel like a shared adventure rather than a solitary test.
FOOD & REFUELING OPTIONS
While the race provides strong aid station support, runners and crews will find plenty of food options in the Crowsnest Pass communities.
Popular choices include:
- Local cafés and bakeries for pre‑race fueling
- Mountain‑town pubs and restaurants for hearty meals
- Coffee shops for early‑morning caffeine and grab‑and‑go snacks
- Post‑race dining spots perfect for celebrating your finish
The region’s warm hospitality — paired with the novelty of an underground race — makes The Dark a standout experience from start to finish.
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