Monster Dash Half Marathon - San Antonio

OCT
25
2026
A Halloween themed running event in San Antonio with a half marathon, relays, 10K, 5K, wheelchair race, 1 mile and a virtual option. Hosted by the Now You SEE Me Foundation to support spinal cord research and athletes affected by injury.
Sun 25 Oct 2026
Half Marathon 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

9th Annual Monster Dash - presented by the Now You SEE Me Foundation

The event takes place at Comanche Park Pavilion 2, 2600 Rigsby Ave, San Antonio, TX. It offers in-person and virtual options and includes multiple race distances and relay formats.

Distances

  • Half Marathon with 2 and 3 person relays
  • 10K
  • 5K
  • 5K Wheelchair
  • 1 Mile
  • Virtual Run/Walk/Roll

Participants receive an event T shirt and a finisher medal. Additional race-day perks listed include a Chick fil A meal card, Las Palapas breakfast tacos, and a possible post race beer. There are water stations on the half marathon, 10K, 5K, and 5K wheelchair courses and Gatorade provided for the half marathon.

Awards are given for overall male and female and for masters 40 plus. Age group awards cover standard brackets from youth through 80 plus. The half marathon also includes Athena and Clydesdale divisions. For some youth categories children ages 5 to 9 must be accompanied by an adult. A costume contest with prizes is planned for adults and youth.

Packet pickup is available at Stone Ridge Shopping Center on Saturday, October 24 from 1:00 pm to 4:00 pm and on event day from 6:30 am to 7:45 am. Race day registration is available. Visit the organization's website for the most recent information.

Half Marathon
1/2 Marathon
Half Marathon
1/2 Marathon 2 Person Relay
Half Marathon
1/2 Marathon 3 Person Relay
10 km
10k
5 km
5k Wheelchair
5 km
1-Mile
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