What distances are available for the Monster Dash?

The event features a 1 Mile, 5K, and 10K race.

Are there awards for the race?

Yes, there are awards for the overall top 3 male and female finishers, as well as age group awards.

Are there discounts available for specific groups?

Yes, the event offers discounts for teams, military personnel, and first responders.

Is the race chip-timed?

Yes, the Monster Dash is a chip-timed event.

All races

3 weeks out

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All races

3 weeks out

Monster Dash 5K, 10K, and 1 Mile

Saturday, October 31, 2026Weslaco, TX1 Miles – 10K

Get ready for a spooktacular morning of fitness and fall festivities at the inaugural Monster Dash in Weslaco, Texas. Held at the Harlon Block Sports Park, this event offers 1 Mile, 5K, and 10K distances perfect for chasing a personal record or enjoying a family walk. The race doubles as a full Halloween-themed festival, featuring a costume contest, a trick-or-treat vendor trail, and a dog costume contest. Participants can enjoy live music from Pappa Bear & The Cubs and headliner Reserve, alongside a vibrant vendor market and food trucks. With a pumpkin patch photo area and plenty of kids' activities, it is designed to be an unforgettable experience for all ages. Join the Rio Grande Valley community for what is set to become a new annual tradition.