Iron Horse Half Marathon
Sunday, August 29, 2027, first start 7:00 AM, in North Bend (1711 Boalch Ave NW). Distances: Half marathon. Entry from $97; the Half marathon goes from $97 to $102 after January 1.
- Date
- Sunday, August 29, 2027
- Start time
- 7:00 AM (earliest wave)
- Location
- 1711 Boalch Ave NW, North Bend, WA 98045
- Area
- Eastside & South King, Seattle
- Distances
- Half marathon
- Course
- Trail (dirt or single-track on at least part of the course)
- Price
- $97 plus the platform's processing fee
- Next price increase
- Friday, January 1, 2027: Half marathon $97 → $102
- Registration
- Open. Opened August 28, online signup closes Sunday, August 29, 2027
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by January 1 to pay $97 instead of $102.
Register on RunSignup →Race website
Course and race notes
IMPORTANT FOR 2027: Damage to the Iron Horse trail from the December 2025 floods mean that no events are being held there in 2027, including the Iron Horse Half. Our course has been re-routed to adjust to this. The new course is a modified out and back, point-to-point route.
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.