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.
- Sat, Oct 24, 2026 Bike The Coast Trail Run Trail
- Sat, Oct 31, 2026 Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGO 5K10KHalf Marathon Road
- Sat, Oct 31, 2026 PB&J Fuel Run 5K/10K/13.1 SAN DIEGO 5K10KHalf Marathon Road
- Sat, Oct 31, 2026 Filthy 50+ - MTB Ride with Benefits Trail Run Trail
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 →