161K
100-Mile Relay
RelayTime BasedSat, Jul 12 · 2:00 AM
$250
161K
- Past race
- Ultra
- Trail
Sinister 7 Ultra 2025
- Crowsnest Pass, Alberta
Hosted bySinister Sports
About Sinister 7 Ultra 2025
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.
Distances and events
161K
100-Mile Solo
Sat, Jul 12 · 2:00 AM
$340
82.9K
50-Mile Solo
Sat, Jul 12 · 5:30 AM
$310
50.1K
50k Solo
Sat, Jul 12 · 2:30 AM
$290
22.8K
Half Marathon
Sat, Jul 12 · 2:30 AM
$240
Prices from the organizer. Please check the official website for up-to-date times and pricing.
Highlights
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
Course
- Surface
- Trail
- Location
- Crowsnest Pass, Alberta
Course details
* 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
About the organizer
Organizer
Sinister Sports
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Listing freshness
The Running Directory combines organizer-provided details, official race links, and ongoing listing research. Always confirm final dates, prices, times, and course details with the race organizer before registering.
Last updated: October 2, 2026
Official registration(opens in a new tab)