RunRace USA › Maine › Monsters Run The River
Monsters Run The River
Westbrook, Maine · Sunday, October 25, 2026 · 5K
Official race page & registration ↗Monsters Run The River takes place on Sunday, October 25, 2026 in Westbrook, Maine. The race is run over 5K. For anyone travelling in, Boston is about 98 miles away.
It is one of 54 races on the Maine calendar that October.
- Date
- Sunday, October 25, 2026
- Location
- Westbrook, Maine
- Distances
- 5K
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 Westbrook: check in Oct 24, out Oct 26.
Common questions
When is Monsters Run The River?
Monsters Run The River is scheduled for Sunday, October 25, 2026.
Where is Monsters Run The River held?
Monsters Run The River is held in Westbrook, Maine. It is about 98 miles from Boston.
What distances does Monsters Run The River offer?
The listed distances are 5K.
How do I register for Monsters Run The River?
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 25Great Pumpkin 10KSaco, ME
- Oct 25Maine Summit Trek for Tree 2026Auburn, ME
- Oct 25STEM 5K at Biddeford Middle SchoolBiddeford, ME
- Oct 242026 Flutie 5K for Autism: Rome, MERome, ME
- Oct 24Bath Area Family YMCA Haunted Hustle 5K Walk Run & Kids Fun RunBath, ME
See every race on the Maine calendar, Maine 5Ks, or use the Race Finder for maps and filters.