Sinister 7 Ultra 2025

This page is kept as a past race archive for the Jul 12, 2025 edition in Crowsnest Pass, 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 Sinister 7 Ultra is a challenging trail race set in Alberta's majestic Rocky Mountains. Offering distances from a Half Marathon to a daunting 100-mile ultra, the event features rugged terrain and significant elevation gain split across seven stages. Solo runners and teams can participate, with the 100-mile race allowing teams up to seven members.

This event highlights the scenic and historic features of the region, including the Seven Sisters Mountain. Participants enjoy a well-organized experience complete with support crew options, transition areas, aid stations, pre-race dinners, race tech shirts, medals, and post-race celebrations.

* 100-Mile: 161 km, 6,407 m elevation gain * 50-Mile: 82.9 km, 2,985 m elevation gain * 50k: 50.1 km, 2,255 m elevation gain * Half Marathon: 22.8 km, 1,014 m elevation gain * Start locations: Gazebo Park, Blairmore (for 100-Mile and 50k), Green Mountain Campground Access, Coleman (50-Mile) * Categories include Female/Male Solo and Masters, plus Co-ed, Female, and Male Teams for the 100-Mile * Prizing includes cash awards for top solos, credit for team winners, high-quality race tech shirts, medals, and finisher bonuses like belt buckles and wine for solo finishers under 30 hours

• Race Date: July 12-13, 2025
• Location: Crowsnest Pass, Alberta
• Race distances: 100-mile, 50-mile, 50k, Half Marathon
• Rugged mountainous terrain with significant elevation gains
• Seven race stages highlighting local geography and history
• Solo and team entries, including 100-mile teams up to 7 members
• Support crew recommended for solo runners
• Transition areas and aid stations staffed with water and snacks
• Cutoff times vary by distance from 7.5 to 30 hours