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Run by the Sea 4k
Run by the Sea 12k
Run by the Sea Half Marathon
Run by the Sea
Sunday, October 4, 2026Santa Cruz, CA, US
The Run by the Sea is a Run by the Sea 4k / Run by the Sea 12k / Run by the Sea Half Marathon race held on Sunday, October 4, 2026 in Santa Cruz, CA, US. Explore registration links, course details, and an AI-powered training plan on Traxamo.
What are the key details for Run by the Sea?
| Date | Sunday, October 4, 2026 |
|---|---|
| Location | Santa Cruz, CA, US |
| Distances | Run by the Sea 4k, Run by the Sea 12k, Run by the Sea Half Marathon |
Race Countdown
122
days to go
17 weeks of training remaining
Today
Basewk 1/3
Build8w
Peak4w
Taper2w
Base phase — keep mileage easy and aerobic. 3 weeks left before build begins.
About this race
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