San Diego Halloween Runs 2026 — Costume 5Ks & Spooky Races

Costumes at the start line, candy at the finish: San Diego has 4 Halloween-season races on the 2026 calendar, from pumpkin runs to full costume-contest 5Ks. Most award prizes for the best outfit — check each listing's organizer page for contest rules. The next one up is Bike The Coast on Sat, Oct 24, 2026. Every listing links straight to registration.

Race-day tip

Test-run your costume BEFORE race morning. Capes tangle, masks fog, and inflatable dinosaurs add about two minutes per mile.

Don't miss Halloween registration.

Halloween races sell out — get new San Diego races twice a month plus price-jump warnings.

Looking beyond halloween? See every upcoming San Diego race →