100 mi
100 Mile
Fri, Sep 11 · 8:00 AM
$280
100 MI
- Past race
- Trail
Lost Soul Ultra Marathon 2026
- Lost Soul Ultra, Lethbridge, AB
Hosted byLost Soul Ultra
About Lost Soul Ultra Marathon 2026
Lost Soul Ultra Marathon 2026 returns to Lethbridge, AB on September 11-12, 2026, with trail ultras built around the Oldman River valley. The event brings a prairie landscape of coulees, hills, and long climbs into a compact weekend format.
Runners can choose from 100 Mile, 100K, and 50K options. It’s a loop-based race with a strong local identity and a course that asks for steady pacing more than speed.
For runners looking at Alberta trail races, this one stands out for its terrain, its repeated climbs, and the way the valley shapes the day from start to finish.
For runners comparing local trail options, it fits alongside other trail races in Lethbridge.
Distances and events
100K
100K
Fri, Sep 11 · 8:30 AM
$255
50K
50K
Sat, Sep 12 · 7:00 AM
$225
Prices from the organizer. Please check the official website for up-to-date times and pricing.
Highlights
Trail ultra weekend in Lethbridge’s Oldman River valley
100 Mile, 100K, and 50K race options
Looped course with about 1,250 m of elevation change per lap
Coulees, hills, and long prairie climbs
Friday starts for the 100 Mile and 100K; Saturday start for the 50K
Oldman River valley setting with a strong southern Alberta identity
Course
- Surface
- Trail
- Venue
- Lost Soul Ultra
- Address
- 1400 1 street north, Lethbridge, AB
- Location
- Lethbridge, AB
Course details
The course uses a 50 km loop through the Oldman River valley coulees, with roughly 1,250 m of elevation change per lap. The 100 Mile and 100K races add an extra 9 km loop; the 50K completes one lap.
Start times are 8:00 AM for the 100 Mile, 8:30 AM for the 100K, and 7:00 AM for the 50K. The 100 Mile and 100K begin on Friday, and the 50K starts on Saturday morning.
Venue location
Lost Soul Ultra · 1400 1 street north, Lethbridge, AB. This map shows the venue, not the course route.
Things to know
Race weekend
Events run Fri, Sep 11 to Sat, Sep 12, 2026. Check each distance for its day and start time.
About the organizer
Organizer
Lost Soul Ultra
More races like this
Other editions
Browse nearby and by distance
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)