South Texas International Marathon

Name: South Texas International Marathon
Start: 2025-12-07
End: 2025-12-07
Location: Mercedes

DEC

2025

Join the South Texas International Marathon in Mercedes, Texas on Sunday, December 7, 2025. Choose a full marathon, half marathon, or relay team and soak up race day excitement on a welcoming course.

Sun 7 Dec 2025

Mercedes, Texas

Registration

Marathon Half Marathon

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

Event details

The South Texas International Marathon takes place on Sunday, December 7, 2025, in Mercedes, Texas. The event program includes a full marathon, a half marathon, and relay team entries.

Distances:

Marathon
Half Marathon
Relay teams

Logistics

The event location is listed as 1000 N Texas Ave, Mercedes, TX 78570, United States. Current registration prices shown are $110 for the marathon, $80 for the half marathon, and $330 for relay teams. Prices increase after October 31, 2025 at 11:59pm CDT. A directions link to the venue is provided. Visit the organization's website for the most recent information.

Marathon

Half Marathon

6-Person Relay