Saturday, May 29, 2027Pasco, WA
Big River Race
View on RunSignup ↗Registration opens Dec 31, 2026
4 events
- Big River Half MarathonHalfRoadStarts 8:00 AM
- Big River 10k10KRoadStarts 8:15 AM
- Big River 5k5KRoadStarts 8:20 AM
- Big River FREE 1 mile1 miRoadStarts 9:30 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 86/100
- High / low
- 77° / 52°F
- 25° / 11°C
- Humidity
- 52%
- Dew point 45°F
- Chance of rain
- 24%
- Wind
- 8 mph
- Average
- Usually warm for a half marathon: about 61°F while racing.
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 5Ks.1 year, 231 finishers; men and women compared separately.
- 4% slowerFinish times are typically 4% slower than at other half marathons.2 years, 152 finishers; men and women compared separately.
- Typical timesFinish times are typical for 10Ks.1 year, 146 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | EARLY START Half Marathon · Half | 34 | 2:32:34 | 2:27:43 | 2:35:28 |
| 2026 | Big River Half Marathon · Half | 118 | 2:02:11 | 1:52:58 | 2:14:00 |
| 2026 | Big River 10k · 10K | 146 | 1:04:32 | 58:29 | 1:09:30 |
| 2026 | Big River 5k · 5K | 231 | 34:32 | 31:28 | 35:52 |
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.