MCCM Monster Mash 5k & Creature Crawl 1k
MCCM Monster Mash 5k & Creature Crawl 1k is a running race on October 24, 2026 in Richland, WA, with entry fees from $1 to $20.
- Date
- October 24, 2026 (38 days to go)
- Price
- $1–$20
- Sport
- Running
From the Organizer
🎃 4th Annual Monster Mash 5K & Creature Crawl 1K 👾
Join the Mid-Columbia Children's Museum for the 4th Annual Monster Mash 5K & Creature Crawl 1K, a family-friendly Halloween event bringing together costumes, movement, and hands-on fun in support of the future Mid-Columbia Children's Museum.
Whether you're running the 5K, walking with friends, or cheering on your little monster in the Creature Crawl, there's something for everyone!
📅 Saturday, October 24, 2026
📍 Howard Amon Park | Richland, WA
What to Expect
🏃 Costume-friendly 5K run/walk
👾 Creature Crawl 1K for kids and families
🔬 STEM-inspired activities
🍂 Family-friendly fall fun
❤️ Support the future Mid-Columbia Children's Museum
🎟️ Registration
Registration opens at 9:00 AM on September 1, 2026!
Register early and join us for one of our favorite family events of the year. Early registration ends October 1st!
💙 Foster & Kinship Families
Discounted registration is available for foster and kinship families. To receive a special registration code, please reach out to us at info@mccmuseum.org.
We want Monster Mash to be an event all families in our community can enjoy! 🎃👾
Race Day Rules
🎃 Costumes encouraged — keep them safe to run or walk in!
👶 Strollers welcome — please start toward the back.
🐾 Please leave pets at home (service animals welcome).
👾 Keep little monsters supervised.
➡️ Stay on the marked course and follow volunteer directions.
❤️ Be kind, have fun, and cheer each other on!
Additional race-day details, including check-in and start times, will be shared closer to the event.
We can't wait to celebrate another year of community, creativity, curiosity, and fun with you!
Events
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
60°
Typical Low
39°
Chance of Rain
25%
Based on US Climate Normals data from Richland, 4 mi from the venue.
About Richland, WA
Population
61,912
as of 2023
City Elevation
400 ft
Nearest Airport
PSC
Tri Cities Airport · 9 mi
Major Hub
GEG
Spokane International Airport · 124 mi
Time Zone
Pacific Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at MCCM Monster Mash 5k & Creature Crawl 1k, put it on the calendar, and turn “someday” into a start date.
38
Days to train
- Race
- MCCM Monster Mash 5k & Creature Crawl 1k
- Date
- October 24, 2026
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About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
More Running races near Richland, WA
Frequently Asked Questions
What is the MCCM Monster Mash 5k & Creature Crawl 1k?
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MCCM Monster Mash 5k & Creature Crawl 1k
Oct 24, 2026