🧪 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.
