Monster Dash 5K, 10K, and 1 Mile

MONSTER DASH IS COMING TO WESLACO, TX!!!

Get ready for a spooktacular morning of fitness, fun, and fall festivities at the Inaugural Monster Dash 1 Mile, 5K, & 10K at Harlon Block Sports Park!  Whether you’re chasing a personal record, walking with family, or showing off your Halloween costume, Monster Dash is designed to be an unforgettable experience for runners and spectators of all ages!

EVENT FEATURES:
-Chip Timed
-Race Themed Custom Finisher Medals
-Fully Sublimated Dri-fit Participant T-Shirt (if registered by deadline)
-Overall Top 3 Male/Female Awards
-Age Group Awards
-Team, Military and First Responder Discounts Available
-Costume Contest
-Trick-or-Treat Vendor Trail for the Little Monsters
-Kids Activities & Family Fun
-Live Music Entertainment by Pappa Bear & The Cubs, headlined by Reserve
-Vendor Market & Food Trucks
-Dog Costume Contest
-Pumpkin Patch Photo Area

This isn’t just a race… it’s a full Halloween-themed festival experience designed to bring the Rio Grande Valley community together while supporting local businesses, organizations, and healthy living!  Gather your friends, your family, your coworkers, your school organizations, and your running crew and come be part of what is sure to become a new annual tradition!

Stay tuned for more event details...the monsters are just getting started!!!

Join fellow runners on October 31, 2026 for the Monster Dash 5K, 10K, and 1 Mile. It's a fantastic 10K, 5K, 1.6K featuring a flat and fast course in Weslaco.