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Monster Mash Bash
Janesville, Wisconsin · Saturday, October 24, 2026
Official race page & registration ↗Monster Mash Bash takes place on Saturday, October 24, 2026 in Janesville, Wisconsin. For anyone travelling in, Beloit is about 14 miles away and Madison is about 30 miles away.
It is one of 109 races on the Wisconsin calendar that October. At $10, entry sits below the $25 median for a Wisconsin race.
- Date
- Saturday, October 24, 2026
- Location
- Janesville, Wisconsin
- Entry fee
- from $10
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 Janesville: check in Oct 23, out Oct 25.
Common questions
When is Monster Mash Bash?
Monster Mash Bash is scheduled for Saturday, October 24, 2026.
Where is Monster Mash Bash held?
Monster Mash Bash is held in Janesville, Wisconsin. It is about 14 miles from Beloit and 30 miles from Madison.
How much does Monster Mash Bash cost?
Entry is listed from $10. Check the official race page for the current price, which usually rises closer to race day.
How do I register for Monster Mash Bash?
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 24Downtown Janesville Zombie Run presented by Ryan Inc.Janesville, WI
- Oct 23Cauldrons & CocktailsJanesville, WI
- Oct 242026 Superior Nightmare 5KSuperior, WI
- Oct 24Badger High School 5K GLOW Run/WalkLake Geneva, WI
- Oct 24Brooke's Tata Trot 5kAugusta, WI
See every race on the Wisconsin calendar, all Janesville races, or use the Race Finder for maps and filters.