Event Details

Date: 07 December 2025

Time: Sun, 7 AM - 2 PM

City: Mercedes, TX

Country: United States

Location: Rio Grande Valley Livestock Show Grounds, 1000 N Texas Ave

Location Map

References and Tickets

stimarathon.com icon South Texas International Marathon: STIM

December 5th – 7th, 2025. Certified Marathon, 6 Person Relays. Start Time: 7AM ... Rio Grande Valley -Donna, Tx to Weslaco, Tx, Mercedes, Tx & La Feria, Tx.

runsignup.com icon South Texas International Marathon

The South Texas International Marathon is on Sunday December 7, 2025. It includes the following events: Marathon, 6-Person Relay, and Half Marathon.

stimarathon.com icon Races – STIM - South Texas International Marathon

... Saturday Dec. 7th. Finish Area Gear Check Info: Location: Mercedes FEMA Dome ... Fourth Leg Exchange Location: (Bus/shuttle departs at 6:30:am to La Feria.)

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