RunRace USA › California › Coronado › Monster Mash
Monster Mash
Coronado, California · Sunday, October 25, 2026
Official race page & registration ↗Monster Mash takes place on Sunday, October 25, 2026 in Coronado, California.
It is one of 321 races on the California calendar that October.
- Date
- Sunday, October 25, 2026
- Location
- Coronado, California
- Registration
- listed as closed
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Coronado: check in Oct 24, out Oct 26.
Common questions
When is Monster Mash?
Monster Mash is scheduled for Sunday, October 25, 2026.
Where is Monster Mash held?
Monster Mash is held in Coronado, California.
How do I register for Monster Mash?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Oct 29Witches PaddleCoronado, CA
- Oct 251 IN 5K Dyslexia DashLos Angeles, CA
- Oct 252026 BINATIONAL RACESan Diego, CA
- Oct 252026 Dia De Los MilesElk Grove, CA
- Oct 252026 Winters Spooktacular Fun Run and Costume ContestWinters, CA
See every race on the California calendar, all Coronado races, or use the Race Finder for maps and filters.