100 mi
100 Mile Team Relay
RelayTime BasedFri, Oct 3 · 8:00 PM
$200
100 MI
- Past race
- Ultra
Iron Horse Ultra 2025
- St. Paul, Alberta
Hosted byIron Horse Ultra
About Iron Horse Ultra 2025
The Iron Horse Ultra 100 is part of the Alberta Ultra Series, set in the scenic Lakeland region of Northern Alberta. This challenging event offers runners the option of completing either 100 miles or 100 kilometers, solo or as part of a team, over diverse terrain including county roads, gravel, single-track trails, and open fields.
Runners will experience a demanding course featuring natural and man-made obstacles, varied surfaces, and the necessity to be self-sufficient between aid stations. The race enforces cut-off times and allows pacers for solo runners after leg 3, ensuring both safety and support throughout the event.
Distances and events
100 mi
100 Mile Solo
Fri, Oct 3 · 8:00 PM
$200
100K
100 km Team Relay
RelayTime BasedFri, Oct 3 · 8:00 PM
$200
100K
100 km Solo
Fri, Oct 3 · 8:00 PM
$200
60K
60 km Solo
Fri, Oct 3 · 8:00 PM
60K
60 km Team Relay
RelayTime BasedFri, Oct 3 · 8:00 PM
Prices from the organizer. Please check the official website for up-to-date times and pricing.
Highlights
Varied terrains including sidewalks, range roads, loose gravel, old train beds, and farmer’s fields
Natural and man-made obstacles such as fences and potential wildlife
Respect required for private land sections; no littering allowed
Aid stations available but runners should be prepared for self-sufficiency
Cut-off times enforced for various race legs
Pacers permitted for solo runners after completing leg 3
Course
- Location
- St. Paul, Alberta
Course details
- 100 miles or 100 km distance options, solo or team relay entries
- Course covers county roads, gravel trails, single-track trails, and open fields
- Challenging trail event with continuous running segments
- Team relay races available for both 100-mile and 100-km distances
- Start dates on October 4, 2025, with various start times depending on race
- Entry fees vary by registration date, ranging from $100 to $200 per runner
Things to know
Race weekend
Events run Fri, Oct 3 to Sun, Oct 5, 2025. Check each distance for its day and start time.
About the organizer
Organizer
Iron Horse Ultra
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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)