Lost Soul Ultra Marathon
Lethbridge, Alberta, Canada
Sep 11-12, 2026 - Friday to Saturday
50k, 100km, 100mi, Ultra
Race Information
The Lost Soul Ultra features 50K, 100K, and 100 Mile distances through the beautiful Coulees of Lethbridge. The "Toughest Race on the Prairies" takes place the weekend following Labour Day in Lethbridge, Alberta. The trail course runs through the river valley coulees on public and private land, and runners race against each other, the elements, and the unrelenting hills.
Lost Soul Ultra has maintained its status as a 100 km qualifier for the Western States 100-Mile Endurance Run.
Related Events
Snakehill Backyard Ultra
Date: May 30, 2026 - Saturday
Size: 1 - 100 participants
Location: Sundre, Alberta
Moose Mountain Trail Races
Date: Aug 22, 2026 - Saturday
Size: 100 - 500 participants
Location: Bragg Creek, Alberta
The Dark: 24 Hours Underground
Date: Oct 31-Nov 1, 2026 - Saturday to Sunday
Size: 1 - 100 participants
Location: Crowsnest Pass, Alberta
👍 Run Pick of the Month: Servus Edmonton Marathon
📍Downtown Edmonton - Sunday, August 16th, 2026
💸 SAVE 10% On Your Entry. Use Code RUNGUIDES10
😄 Why We Like This Run...
✅ Boston Qualifier: Fast, flat, and perfect for a PB
✅ Events for Everyone: Marathon, Half, 10k, 5k, & Kids’ 1k
✅ Riverside Scenery: Beautiful route along river valley
Steeped in history and known for its lightning-fast course, the Servus Edmonton Marathon is a premier summer racing event.
Whether you are chasing a Boston Qualifying time on the flat prairies or enjoying a scenic 5K with the family, this race delivers a world-class experience with a welcoming, local heart..
Get a Training Plan for this Run
Receive 2 FREE Weeks of personalised run training from our friends at Runna
The Runna app, the ultimate running coach in your pocket, gives you personalised programs that sync with your favourite devices, includes strength and mobility training, and offers complete support.
You get 2 weeks for free!
Learn more about Runna. Click the link below.
🏃 Looking For More Runs Near Calgary?
Find another distance:
Race Facts
Race Size: 100 - 500
Elevation: Lots of Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
Use this map to find hotels and airbnb accommodation near this race location.
