# Half Marathon Races in San Diego, CA (2026)

> 37 upcoming Half Marathon races in San Diego, California.

- **Page:** https://runthis.run/races/california/san-diego/half-marathon

## Races

- **[Oktoberfest Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-199694-oktoberfest-run-5k-10k-13-1-san-diego)** — Sat, Sep 26, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run for Donuts 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-200201-run-for-donuts-5k-10k-13-1-san-diego)** — Sat, Sep 26, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon](https://runthis.run/event/rs-146641-hallo-thanks-mas-dash-5k-10k-and-half-marathon)** — Sun, Oct 4, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon
- **[Cookie Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-201402-cookie-run-5k-10k-13-1-san-diego)** — Sat, Oct 10, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Coffee Lovers Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-201533-coffee-lovers-run-5k-10k-13-1-san-diego)** — Sat, Oct 10, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[PB&J Fuel Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-201647-pb-j-fuel-run-5k-10k-13-1-san-diego)** — Sat, Oct 31, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-204703-halloween-trick-or-trot-run-5k-10k-13-1-san-diego)** — Sat, Oct 31, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Thrive San Diego Half Marathon & 5K](https://runthis.run/event/rs-138666-thrive-san-diego-half-marathon-5k)** — Sat, Nov 14, 2026 · 12:00 AM UTC · San Diego, CA · Marathon / 5K
- **[Run for Mental Health 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-201438-run-for-mental-health-5k-10k-13-1-san-diego)** — Sat, Nov 14, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Veterans Day Freedom Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-205136-veterans-day-freedom-run-5k-10k-13-1-san-diego)** — Sat, Nov 14, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Coffee Lovers Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-201479-coffee-lovers-run-5k-10k-13-1-san-diego)** — Sat, Nov 28, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Thanksgiving Gobble Trot Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-205289-thanksgiving-gobble-trot-run-5k-10k-13-1-san-diego)** — Sat, Nov 28, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run for Breast Cancer 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-204862-run-for-breast-cancer-5k-10k-13-1-san-diego)** — Sat, Dec 12, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[The SYTY Half Marathon](https://runthis.run/event/rs-206280-the-syty-half-marathon)** — Sat, Dec 12, 2026 · 12:00 AM UTC · San Diego, CA · Marathon
- **[Sunrise Marathon 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-207988-sunrise-marathon-5k-10k-13-1-san-diego)** — Sat, Dec 12, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[San Diego Holiday Half Marathon & 5K](https://runthis.run/event/rs-84976-san-diego-holiday-half-marathon-5k)** — Sat, Dec 19, 2026 · 12:00 AM UTC · San Diego, CA · Marathon / 5K
- **[A Merry Christmas Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-205022-a-merry-christmas-run-5k-10k-13-1-san-diego)** — Sat, Dec 26, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[New Year's Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-208019-new-years-run-5k-10k-13-1-san-diego)** — Sat, Dec 26, 2026 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[MLK Jr. Freedom Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-209366-mlk-jr-freedom-run-5k-10k-13-1-san-diego)** — Sat, Jan 16, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Sunrise Marathon 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-210575-sunrise-marathon-5k-10k-13-1-san-diego)** — Sat, Jan 16, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Coffee Lover Run SAN DIEGO](https://runthis.run/event/rs-209513-coffee-lover-run-san-diego)** — Sat, Jan 30, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run for Donut SAN DIEGO](https://runthis.run/event/rs-210607-run-for-donut-san-diego)** — Sat, Jan 30, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Valentine's Day Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-210076-valentines-day-run-5k-10k-13-1-san-diego)** — Sat, Feb 13, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run for Chocolate 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-210831-run-for-chocolate-5k-10k-13-1-san-diego)** — Sat, Feb 13, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run Together Against Breast Cancer SAN DIEGO](https://runthis.run/event/rs-212681-run-together-against-breast-cancer-san-diego)** — Sat, Feb 27, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run For Mental Health SAN DIEGO](https://runthis.run/event/rs-214143-run-for-mental-health-san-diego)** — Sat, Feb 27, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Beer City Half™ San Diego](https://runthis.run/event/rs-185622-beer-city-half-san-diego)** — Sat, Mar 13, 2027 · 12:00 AM UTC · San Diego, CA · Marathon / 10K / 5K / 1 mile
- **[Sunrise Marathon 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-211568-sunrise-marathon-5k-10k-13-1-san-diego)** — Sat, Mar 20, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[St. Paddy's Day Lucky Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-212773-st-paddys-day-lucky-run-5k-10k-13-1-san-diego)** — Sat, Mar 20, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Always Hope Easter Run SAN DIEGO](https://runthis.run/event/rs-212966-always-hope-easter-run-san-diego)** — Sat, Mar 27, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[SuperHeroes Run SAN DIEGO](https://runthis.run/event/rs-214211-superheroes-run-san-diego)** — Sat, Mar 27, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[San Diego Beach & Bay Half Marathon](https://runthis.run/event/rs-193380-san-diego-beach-bay-half-marathon)** — Sat, Apr 10, 2027 · 12:00 AM UTC · San Diego, CA · Marathon / 10K / 3.2 mi / 5K
- **[Sloth Run 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-211432-sloth-run-5k-10k-13-1-san-diego)** — Sat, Apr 10, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Coffee Lover Run SAN DIEGO](https://runthis.run/event/rs-211464-coffee-lover-run-san-diego)** — Sat, Apr 24, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run for Donut SAN DIEGO](https://runthis.run/event/rs-214382-run-for-donut-san-diego)** — Sat, Apr 24, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run for Chocolate 5k/10k/13.1 SAN DIEGO](https://runthis.run/event/rs-215062-run-for-chocolate-5k-10k-13-1-san-diego)** — Sat, May 8, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile
- **[Run Juneteenth Day 5K/10K/13.1 SAN DIEGO](https://runthis.run/event/rs-215224-run-juneteenth-day-5k-10k-13-1-san-diego)** — Sat, Jun 19, 2027 · 12:00 AM UTC · San Diego, CA · 5K / 10K / Marathon / 1 mile

## Nearby

- [All races in San Diego, CA](https://runthis.run/races/california/san-diego.md)
- [Half Marathon races in California](https://runthis.run/races/california/half-marathon.md)

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Source: [https://runthis.run/races/california/san-diego/half-marathon](https://runthis.run/races/california/san-diego/half-marathon) — data from Run This (runthis.run).