Iron Horse Ultra 2025

This page is kept as a past race archive for the Oct 3, 2025 edition in St. Paul, Alberta. Use the links below to find upcoming races in the same area or distance category. You can also browse the 2025 race calendar.

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.

• 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

• 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