Half Marathons in Texas in December
52 half marathons in Texas are on the calendar for December 2026, in San Antonio, Needville, Longview, Beaumont and more. Tap a race for the course, weather, past results and how to register.
2026 - San Antonio Marathon · San Antonio, Texas
Brazos Bend 100 · Needville, Texas
Holiday 5K, 10K & 13.1M at Longview, TX (49) · Longview, Texas
Holiday 5K, 10K, 13.1M & 26.2M at Beaumont, TX (49) · Beaumont, Texas
Holiday 5K, 10K, 13.1M & 26.2M at Temple, TX (49) · Temple, Texas
Mosaic Trail Race · Burnet, Texas
San Antonio Half 13.1, 10k, 5k · San Antonio, Texas
Texas City Half Marathon, 10k, 5k, & Mile · Texas City, Texas
Georgetown Half Marathon · Georgetown, Texas
Holiday 5K, 10K & 13.1M at Katy, TX (50) · Katy, Texas
Holiday 5K, 10K & 13.1M at Pflugerville, TX (50) · Pflugerville, Texas
Holiday 5K, 10K, & 13.1M at Temple, TX (50) · Temple, Texas
Run for Breast Cancer 5K/10K/13.1 AUSTIN/ROUNDROCK · Austin, Texas
Run for Breast Cancer 5K/10K/13.1 DALLAS FORT WORTH · Fort Worth, Texas
Run for Breast Cancer 5K/10K/13.1 HOUSTON · Houston, Texas
Run for Breast Cancer 5K/10K/13.1 SAN ANTONIO · San Antonio, Texas
Sunrise Marathon 5K/10K/13.1 AUSTIN/ROUNDROCK · Austin, Texas
Sunrise Marathon 5K/10K/13.1 DALLAS FORT WORTH · Fort Worth, Texas
Sunrise Marathon 5K/10K/13.1 HOUSTON · Houston, Texas
Sunrise Marathon 5K/10K/13.1 SAN ANTONIO · San Antonio, Texas
2026 Decker Challenge and Brown Santa 5K · Austin, Texas
BCS College Station Marathon · College Station, Texas
BCS College Station Marathon · College Station, Texas
Brownsville Chief of Police Marathon · Brownsville, Texas
Brownsville Chief of Police Marathon · Brownsville, Texas
Dallas Marathon Weekend · Dallas, Texas
Dallas Marathon Weekend · Dallas, Texas
Decker Challenge Half Marathon · Austin, Texas
Star of Texas 50 Miler • 50K • Marathon • Half Marathon • 10K • 5K • Speedyard (Fastest Person Standing) · Spicewood, Texas
2026 The Stars at Night Run · San Antonio, Texas
Holiday 5K, 10K, & 13.1M at Kerrville, TX (51) · Kerrville, Texas
Holiday 5K, 10K, 13.1M & 26.2M at Temple, TX (51) · Temple, Texas
Irving Frost Marathon · Irving, Texas
Killeen Half MaraFUN · Killeen, Texas
Stars At Night Half · San Antonio, Texas
STARS AT NIGHT HALF & St. Nick@Night 5k/10k | 12/19/26 · San Antonio, Texas
Texas Double · Dallas, Texas
Santa Hustle Galveston · Galveston, Texas
A Merry Christmas Run 5K/10K/13.1 AUSTIN/ROUNDROCK · Austin, Texas
A Merry Christmas Run 5K/10K/13.1 DALLAS FORT WORTH · Fort Worth, Texas
A Merry Christmas Run 5K/10K/13.1 HOUSTON · Houston, Texas
A Merry Christmas Run 5K/10K/13.1 SAN ANTONIO · San Antonio, Texas
Holiday 5K & 13.1M at Tyler, TX (52) · Tyler, Texas
Holiday 5K, 10K & 13.1M at Cypress, TX (52) · Cypress, Texas
Holiday 5K, 10K, & 13.1M at Temple, TX (52) · Temple, Texas
New Year's Run 5K/10K/13.1 AUSTIN/ROUNDROCK · Austin, Texas
New Year's Run 5K/10K/13.1 DALLAS FORT WORTH · Fort Worth, Texas
New Year's Run 5K/10K/13.1 HOUSTON · Houston, Texas
New Year's Run 5K/10K/13.1 SAN ANTONIO · San Antonio, Texas
Corpus Christi Marathon · Corpus Christi, Texas
New Years Double · Allen, Texas
Santa Hustle Race Series Template · Cypress, Texas