Monster Mash Dash Halloween Run
Decision scores
Six 0–100 scores telling you, at a glance, who this race is for.
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About the Race
Welcome to our 12th annual Monster Mash Dash run! Great family event! Perfect for the Big and Little Monsters alike! Great amenities like Glow-in-the-Dark finisher medallion and event shirt design! Special discounted rate for kids 9 and under. Discount automatically given at checkout. The Monster Mash Dash is the 15th race in the CLASSIC Runner of the Year Series and worth 10 points! California Classic Cares 501c3 supports charities in the Central Valley including our Charity Partner CASA for...
Course Profile
Course profile data unavailable for this race.
Course features
Accessibility & inclusion
Vibe & community
History & past results
Past finisher times and year-over-year participation will appear here once the organizer publishes them.
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Common questions
How hard is the Monster Mash Dash Halloween Run 5K?
We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.
What should I wear?
Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.
When does it sell out?
No published deadline. Most races raise the entry fee in tiers and can sell out without warning — sign up early if you're committed.
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