Saturday, May 22, 2027Mendocino, CA
Big River Adventure
View on RunSignup ↗Registration opens Nov 8, 2026
2 events
- 5K Run5KRoadStarts 8:30 AM
- 10K Run10KRoadStarts 8:30 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 100/100
- High / low
- 61° / 49°F
- 16° / 10°C
- Humidity
- 82%
- Dew point 49°F
- Chance of rain
- 15%
- Wind
- 8 mph
- Average
- Usually ideal weather for a short race.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 31% slowerFinish times are typically 31% slower than at other 5Ks.2 years, 51 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | 10K Run · 10K | 16 | 58:47 | 52:31 | 1:05:51 |
| 2026 | 5K Run · 5K | 25 | 56:31 | 53:52 | 1:00:04 |
| 2025 | 10K Run · 10K | 15 | 59:20 | 55:04 | 1:08:41 |
| 2025 | 5K Run · 5K | 26 | 34:53 | 34:15 | 35:31 |
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.