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MCCM Monster Mash 5k & Creature Crawl 1k

Sat October 25, 2025 Richland, WA 99352 US Directions

Events

Monster Mash 5k (13+ years old)

$20 9:30AM PDT Price increases after October 1, 2025 at 11:59pm PDT
Open to ages 13 - 110.

Monster Mash 5k (Child 5-12 years old)

$10 9:30AM PDT Registration ends October 25, 2025 at 11:59pm PDT
Open to ages 5 - 12.

Creature Crawl 1k (0-12 years old)

$10 10:30AM PDT Registration ends October 25, 2025 at 11:59pm PDT
Open to ages 12 and under.

Creature Crawl 1k (Adult Chaperone)

$1 10:30AM PDT Registration ends October 25, 2025 at 11:59pm PDT
Open to ages 13 - 110.

Place

Howard Amon Park at the Finger Nail
500 Amon Park Dr.
Richland, WA US 99352

Description

🧪 Calling All Little Monsters & Mad Scientists! 🧪

🔬🧪 Registration is OPEN! The 3rd Annual Monster Mash 5K & Creature Crawl 1K is brewing up a morning of spooky science, silly experiments, and hands-on fun for the whole family! 🎃👟

📅 Saturday, October 25, 2025
📍 Howard Amon Park
🕤 Monster Mash 5K – 9:30 AM (top 3 male & female finishers in each category win prizes 🏆)
🕥 Creature Crawl 1K – 10:30 AM (costumes encouraged! Each child receives a FREE shirt with early registration + swag bag 🎁)

Throw on your monster costume or lab coat and join us for a morning of running, laughter, and STEM-powered fun—think colorful test tubes, wacky experiments, and plenty of spooky-cute energy!

👉 Sign up by October 1 for early bird pricing and to guarantee your event t-shirt. Same-day registration is available, but swag and vouchers are while supplies last.

Science-y Perks & Fun
🍩☕ Each 5K participant and 1K child gets a free cider/coffee and donut voucher (fuel for mad scientists!).
🎨 FREE face painting for all child registrants.
🍬 Trick-or-treating, STEM-inspired activity booths, and hands-on experiments for all ages!

Safety in the Lab
- No motorized scooters, rollerblades, or skateboards.
- Strollers welcome (please secure little ones).
- Service animals only 🐾.
- Bring water and stay hydrated 💧.
- Costumes encouraged, but make sure they don’t block vision or movement.
- Children must be supervised at all times.
- Stick to marked paths and follow volunteer guidance 🔦.

✨ All proceeds benefit the Mid-Columbia Children’s Museum, supporting the creation of a brick-and-mortar children’s museum in the Tri-Cities.

Race Contact Info

If you have any questions about this race, click the button below.

Presented by:

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Race Website

Additional race information can be found at https://www.mccmuseum.org/.

Directions

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