Sinister 7 Ultra

SINISTER 7 ULTRA

Sinister 7 Ultra takes place in Crowsnest Pass, Alberta on July 11 and 12, 2026. Courses run through mountain terrain in the Rocky Mountains and are routed across remote and rugged sections. The race name references Seven Sisters Mountain, a prominent local feature.

Distances offered:

• 100 mile: solo or relay, split into 7 stages (10.7 km to 36.2 km).
• 50 mile: solo, split into 4 stages.
• 50k: solo, two stages of 22.8 km and 30.8 km.
• Half Marathon: solo, one stage of 22.8 km.
• Relay teams of up to seven runners.

Elevation profiles are provided for each distance, for example 6692 m total gain for the 100 mile and 1014 m gain for the half marathon. Time limits are specified: 30 hours for the 100 mile, 24 hours for the 50 mile, 13.5 hours for the 50k and 7.5 hours for the half marathon.

Transition areas are located at the end of each stage, are vehicle accessible, and permit a drop bag per runner at each TA. TAs are staffed and provide drinking water and light snacks; aid stations are staffed and present on every stage. Support crews are recommended but not required. A Racer Information Package contains full race details. Registration closes June 21, 2026 or when full.

Prize money and awards are listed for top finishers, and finishers receive a race tech shirt, pre race dinner, event photos and a finisher medal. Solo finishers under the 30 hour cutoff receive a belt buckle and a labeled bottle of wine. Visit the organization's website for the most recent information.