Saturday, July 24, 2027Castro Valley, CA
Approximate, from the race's ZIP code.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | HALF MARATHON · Half | 181 | 2:42:44 | 2:36:54 | 2:58:36 |
| 2026 | 10K · 10.3K | 116 | 1:19:53 | 1:16:52 | 1:25:52 |
| 2026 | 5K · 5.4K | 195 | 40:16 | 36:52 | 42:51 |
| 2025 | HALF MARATHON · Half | 113 | 2:29:02 | 2:30:38 | 2:27:12 |
| 2025 | Hiker Division · Half | 25 | 3:41:29 | 3:37:23 | 3:45:15 |
| 2025 | 10K · 10.3K | 122 | 1:15:46 | 1:08:16 | 1:28:24 |
| 2025 | 5K · 5.4K | 145 | 40:00 | 35:44 | 41:05 |
| 2024 | HALF MARATHON · Half | 141 | 2:43:53 | 2:40:08 | 2:53:22 |
| 2024 | Hiker Division · Half | 47 | 3:49:10 | 3:56:18 | 3:49:00 |
| 2024 | 10K · 10.3K | 123 | 1:28:16 | 1:21:36 | 1:40:39 |
| 2024 | 5K · 5.4K | 235 | 41:22 | 33:13 | 46:10 |
| 2023 | HALF MARATHON · Half | 123 | 2:31:33 | 2:26:58 | 2:42:12 |
| 2023 | Hiker Division · Half | 14 | 3:41:24 | 3:29:10 | 3:54:38 |
| 2023 | 10K · 10.3K | 115 | 1:14:01 | 1:11:57 | 1:21:19 |
| 2023 | 5K · 5.4K | 172 | 39:58 | 37:32 | 43:42 |
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.