Saturday, September 18, 2027 – Sunday, September 19Seattle, WA
The Brooks Orca Half Marathon presented by REI
2 events
- Blowhole ChallengeHalfRoadStarts 7:20 AM
- Orca 8-Miler (Sunday)8 miRoadStarts 7:20 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 88/100
- High / low
- 68° / 52°F
- 20° / 11°C
- Humidity
- 80%
- Dew point 52°F
- Chance of rain
- 36%
- Wind
- 4 mph
- Average
- Rain on about 36% 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
- Typical timesFinish times are typical for half marathons.8 years, 5,720 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Orca Half Marathon Sunday · Half | 518 | 2:10:10 | 2:04:12 | 2:18:05 |
| 2026 | Orca 8-Miler (Sunday) · 8 mi | 446 | 1:28:46 | 1:21:52 | 1:31:28 |
| 2026 | Orca Half Marathon Saturday · Half | 1,070 | 2:11:52 | 2:01:14 | 2:20:45 |
| 2026 | Blowhole Challenge · Half | 40 | 4:14:16 | 3:46:46 | 4:27:30 |
| 2025 | Orca Half Marathon Sunday · Half | 552 | 2:10:01 | 2:02:00 | 2:18:05 |
| 2025 | Orca 8-Miler (Sunday) · 8 mi | 343 | 1:28:03 | 1:21:12 | 1:30:05 |
| 2025 | Orca Half Marathon Saturday · Half | 1,007 | 2:11:12 | 2:02:02 | 2:20:45 |
| 2024 | Orca Half Marathon Sunday · Half | 604 | 2:10:58 | 2:00:48 | 2:19:09 |
| 2024 | Orca 8-Miler (Sunday) · 8 mi | 261 | 1:24:25 | 1:14:30 | 1:30:10 |
| 2024 | Blowhole Challenge · Half | 897 | 2:17:23 | 2:05:21 | 2:24:42 |
| 2023 | Orca Half Marathon · Half | 1,032 | 2:16:20 | 2:04:05 | 2:26:04 |
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.