Brooks Lake Sammamish Half Marathon presented by REI
Updated
Saturday, March 6, 2027, first start 7:30 AM, in Redmond (15670 NE 85th St, Redmond, WA 98052). Distances: Half marathon. Entry from $91; the Half marathon goes from $91 to $96 after November 1.
- Date
- Saturday, March 6, 2027 to Sunday, March 7, 2027
- Start time
- 7:30 AM (earliest wave)
- Location
- 15670 NE 85th St, Redmond, WA 98052, Redmond, WA 98052
- Area
- Eastside & South King, Seattle
- Distances
- Half marathon
- Course
- Trail (dirt or single-track on at least part of the course)
- Price
- $91 plus the platform's processing fee
- Next price increase
- Sunday, November 1, 2026: Half marathon $91 → $96
- Registration
- Open. Opened March 12, online signup closes Saturday, March 6, 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 November 1 to pay $91 instead of $96.
Register on RunSignup →Race website
Course and race notes
The Brooks Lake Sammamish Half Marathon presented by REI is a point to point race from Redmond to Sammamish. You will run along the East Lake Sammamish Trail that is fully paved. We also offer a half-marathon walk category with a generous 4 hour time limit.
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.