50K
50km Solo
RelayTime BasedSat, Oct 11 · 5:00 AM
$290
- Past race
- Ultra
Grizzly Ultra Marathon & Relay 2025
- Canmore, Alberta
Hosted byGrizzly Mountain Events
About Grizzly Ultra Marathon & Relay 2025
The Grizzly Ultra Marathon & Relay is a 50 km trail running event held at the Canmore Nordic Centre Provincial Park in the scenic Rocky Mountains. Participants can run solo or as part of two- or five-person relay teams, enjoying a challenging course divided into five distinct legs of varying difficulty.
The race takes place over two days, October 11 and 12, 2025, with identical events each day allowing participants to choose their preferred date. The event also features a Grizzly Kids Run for children aged 12 and under, promoting family-friendly trail running fun.
Distances and events
50K
50km 2-Person Relay (Day 2)
RelayTime BasedSun, Oct 12 · 5:00 AM
$390
50K
50km 5-Person Relay
RelayTime BasedSat, Oct 11 · 5:00 AM
$580
50K
50km 2-Person Relay
RelayTime BasedSat, Oct 11 · 5:00 AM
$390
50K
50km 5-Person Relay (Day 2)
RelayTime BasedSun, Oct 12 · 5:00 AM
$580
50K
50km Solo (Day 2)
RelayTime BasedSun, Oct 12 · 5:00 AM
$290
42.2K
Kids Run
Kids OnlySat, Oct 11 · 6:00 AM
42.2K
Kids Run (Day 2)
RelayKids OnlySun, Oct 12 · 6:00 AM
Prices from the organizer. Please check the official website for up-to-date times and pricing.
Highlights
Course divided into five legs, each starting and finishing at main stadium
Total elevation gain of 1,595 meters
Difficulty ratings from 1 to 5 Claws; Leg 3 (Odyssey) is most challenging
On-course aid stations with HEED Sports Drink and Hammer Gels
Mandatory carry of bear spray for participant safety
Course
- Location
- Canmore, Alberta
Course details
- Location: Canmore Nordic Centre Provincial Park
- Distance: 50 km trail run or relay (two- or five-person teams)
- Relay format lets teams divide course into five distinct legs
- Grizzly Kids Run for ages 12 and under with varying distances
- Event dates: October 11 and 12, 2025, participants can choose either day
About the organizer
Organizer
Grizzly Mountain Events
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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
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Last listed$290
Past race