Saturday, March 27, 2027Irvine, CA
The Rabbit Run 5k & OC Challenge Wild Hare 5k & Half Marathon IRVINE
2 events
- Wild HARE HALF MARATHONHalfRoadStarts 7:30 AM
- Rabbit Run 5K5KRoadStarts 9:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 97/100
- High / low
- 67° / 51°F
- 20° / 11°C
- Humidity
- 70%
- Dew point 46°F
- Chance of rain
- 16%
- Wind
- 7 mph
- Average
- Usually ideal weather for a half marathon.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 9% fasterFinish times are typically 9% faster than at other 5Ks.8 years, 1,423 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Rabbit Run 5K · 5K | 257 | 38:53 | 34:22 | 40:50 |
| 2026 | OC Challenge 5K · 5K | 180 | 29:14 | 26:35 | 32:32 |
| 2025 | Rabbit Run 5K · 5K | 217 | 37:08 | 35:17 | 38:02 |
| 2025 | OC Challenge 5K · 5K | 170 | 30:00 | 25:50 | 32:32 |
| 2024 | Rabbit Run 5K · 5K | 147 | 34:12 | 30:14 | 37:36 |
| 2024 | OC Challenge 5K · 5K | 106 | 30:41 | 25:19 | 33:41 |
| 2023 | Rabbit Run 5K · 5K | 202 | 39:32 | 36:53 | 42:08 |
| 2023 | OC Challenge 5K · 5K | 144 | 27:38 | 25:11 | 30:30 |
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.