
From the Organizer
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
Male/Female in the 5K and 10K: 1-7, 8-14, 15-19, 20-29, 30-39, 40-49, 50-59, 60-64, 65+
-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!!!
Events
Weather
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
84°
Typical Low
62°
Based on US Climate Normals data from Weslaco, 2 mi from the venue.
Host City
Population
41,437
as of 2023
Elevation
74 ft
Nearest Airport
MFE
McAllen Miller International Airport · 15 mi
Time Zone
Central Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Monster Dash 5K, 10K, and 1 Mile, put it on the calendar, and turn “someday” into a start date.
145
Days to train
Coming Up
Mustang Stampede 5K Run/ Walk
Less than a mile away
Light the Way Fun Run 5K
12 miles away
Christmas in July 5K
11 miles away
True Love United Kicks 4 Kids
12 miles away
From Endurance Grid
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.
The 10K is the distance where running stops feeling like a starting point and starts feeling like a sport. Long enough to require a real training block. Short enough that race day is fully manageable for a first-timer who's put in the work.
Race day energy at a 10K is community at its best — strangers cheering you by name, people moving toward the same goal, an atmosphere that solo training can't replicate. It's fast enough that you'll spend the whole race pushing rather than managing your effort.
This is also the distance that builds the base for everything else. Most athletes who go on to run half marathons, do triathlons, or compete in HYROX started here. What you need: running shoes fitted to your stride, a training plan, and the race on your calendar. The registration is what makes the deadline real.
How long to train: 4–8 weeks for most fitness levels.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
Monster Dash 5K, 10K, and 1 Mile
Oct 31, 2026