Black Lung Ultra 2025

This page is kept as a past race archive for the Sep 6, 2025 edition in Nordegg, Alberta. Use the links below to find upcoming races in the same area or distance category. You can also browse the 2025 race calendar.

The Black Lung Ultra Marathon is a challenging 62 km, three-leg ultra marathon set in Nordegg, Alberta. The race honors the town's rich coal mining heritage and takes participants through historic sites, mountain ridges, and the scenic beauty of the Rocky Mountains.

Runners will experience varied terrain with significant elevation changes across the three race legs. The event includes well-positioned aid stations offering refreshments and first aid for a safe and supported race.

• Leg 1: Coliseum Mountain – 22.0 km, 1,081 m elevation gain, Challenging
• Leg 2: For the 29 in the Mine – 23.6 km, 922 m elevation gain/loss, Moderate
• Leg 3: Collieries Closer – 13.7 km, 280 m elevation gain/loss, Easy

• Honors Nordegg's coal mining heritage
• Three distinct race legs with varying difficulty
• Scenic Rocky Mountains terrain
• Multiple aid stations providing water, snacks, and first aid
• Minors allowed with parent/guardian present
• Dogs not permitted on the course