Run by the Sea
Next date not announced · last held Sun, Oct 4 Santa Cruz, CA
Half marathon12KRun by the Sea 4k
Race website & registration Your chances
Where would you finish?
Enter your race pace or connect Strava, and raceIQ compares you with this race's past finishers in your age group and gender.
See your predicted place7th
of ~140
Age group
Finish times
From the 2026 results.
| Distance | Finishers | Winner | Top 5% | Top 25% | Median |
|---|---|---|---|---|---|
| Half marathon | 176 | 1:24:14 | 1:41:42 | 2:00:03 | 2:20:13 |
Field strength
Half marathonLocal
Faster up front than 42% of the half marathon races we track, based on 349 finishers over 3 editions.
Finishers by year
| Year | Half marathon |
|---|---|
| 2026 | 176 |
| 2025 | 127 |
| 2024 | 46 |
| 2023 | 27 |
Upcoming races nearby
All races in California- Sunnyvale Bay Trail parkrunSat, Oct 31 · Sunnyvale, CA
- Dia de los Muertos RunSat, Oct 31 · San Jose, CA
- ZombieRunner Halloween (Sold Out!)Sat, Oct 31 · San Jose, CA
- Gardner Health Services 2026 Día de los Muertos Run-WalkSat, Oct 31 · San Jose, CA
- Saratoga 5KSun, Nov 1 · Saratoga, CA
- Saratoga Education Foundation 5K Fun RunSun, Nov 1 · Saratoga, CA