Saturday, March 6, 2027 – Sunday, March 7Redmond, WA
Brooks Lake Sammamish Half Marathon presented by REI
1 event
- Sunday Half MarathonHalfRoadStarts 7:30 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherGood weather · 70/100
- High / low
- 44° / 32°F
- 7° / 0°C
- Humidity
- 88%
- Dew point 34°F
- Chance of rain
- 67%
- Wind
- 5 mph
- Average
- Usually cold for a half marathon: about 36°F while racing.
- Rain on about 67% of days around this date.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 7% fasterFinish times are typically 7% faster than at other half marathons.4 years, 7,701 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half Marathon · Half | 2,594 | 2:03:14 | 1:55:53 | 2:10:40 |
| 2025 | Half Marathon · Half | 2,046 | 2:00:34 | 1:53:15 | 2:09:34 |
| 2024 | Half Marathon · Half | 1,654 | 2:01:45 | 1:54:30 | 2:10:00 |
| 2023 | Half Marathon · Half | 1,407 | 2:03:18 | 1:55:05 | 2:09:48 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.