racecast.ioPartly cloudy throughout the day.
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Race Overview
South Texas International Marathon’s (STIM) unique course will take runners through four cities and two counties! This Boston Qualifier marathon will make its start at the “Heart of the Valley”, Donna, Texas. Runners will then cross through historic downtown areas of Weslaco, Mercedes and La Feria. The grand finish line will be at the Mercedes FEMA Dome in Mercedes, Texas.
WikipediaFAQ
When is the 2025 South Texas International Marathon?
The 2025 South Texas International Marathon will be held on Sunday December 7, 2025.
Is the South Texas International Marathon a Boston Marathon Qualfier?
Yes, the South Texas International Marathon is an official Boston Marathon qualifier.
What is the time limit for the South Texas International Marathon?
The time limit for the South Texas International Marathon is 6.5 hours.
South Texas International Marathon Weather History
South Texas International Marathon Weather Averages
Average Temp: 63°, Average Low: 56°, Average High: 72°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 56° | 57° | 59° | 61° | 64° | 66° | 69° |
| Feel | 56° | 57° | 59° | 61° | 64° | 66° | 69° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 4mph | 5mph | 5mph | 6mph | 5mph | 8mph |
| Dew | 54° | 54° | 55° | 56° | 57° | 58° | 59° |
| RunScore |  | | | | |  | |
South Texas International Marathon 2024
Dec 8, 2024
Partly cloudy throughout the day with early morning rain.
Low: 51°, High: 66°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp |  51° | 52° | 53° | 55° | 56° | 59° | 62° |
| Feel | 51° | 52° | 53° | 55° | 56° | 59° | 62° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 4mph | 4mph | 6mph | 6mph | 1mph | 4mph |
| Dew | 50° | 50° | 51° | 52° | 53° | 54° | 55° |
| RunScore | | | | | | | |
South Texas International Marathon 2023
Dec 2, 2023
Clearing in the afternoon.
Low: 61°, High: 78°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 61° |  62° | 65° | 68° | 71° | 73° | 76° |
| Feel | 61° | 62° | 65° | 68° | 71° | 73° | 76° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 4mph | 6mph | 4mph | 7mph | 9mph | 12mph |
| Dew | 58° | 58° | 59° | 61° | 62° | 62° | 62° |
| RunScore | | | | | | |  |