When in December are most half marathons held?
The busiest weekend in Texas is December 12 and December 13, with 13 of them, 12 of those on Saturday, December 12. Another 2 fall on a weekday, which is worth knowing if you are traveling for one.
Race calendar · December 2026 · Texas
Half Marathons in Texas in December 2026
Every Half Marathon in Texas in December 2026, all 38 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
What the field actually runs
December Half Marathons, By the Numbers
2:11:25Median finish time
1:44:28Median winning time
5Median field size
12December half marathons with published results
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Nov 12, 2026.
When in December
The December Race Weekends
Half marathons are not spread evenly across December. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.
By the numbers
The Biggest Field
The largest field of any December Half Marathon in Texas, from the most recent published results.
Texas Half Marathons by City in December
All Half Marathons in Texas in December
38 total Sat, Dec 5, 2026Holiday 5K, 10K, 13.1M & 26.2M at Temple, TX (49) Temple, TXFrom $65Details Sat, Dec 5, 2026Brazos Bend 100 Needville, TXFrom $150Details Sat, Dec 5, 2026Holiday 5K, 10K & 13.1M at Longview, TX (49) Longview, TXFrom $65Details Sat, Dec 5, 2026Texas City Half Marathon, 10k, 5k, & Mile Texas City, TXFrom $120Details Sat, Dec 5, 2026Holiday 5K, 10K, 13.1M & 26.2M at Beaumont, TX (49) Beaumont, TXFrom $65Register Sun, Dec 6, 20262026 San Antonio Marathon San Antonio, TXFrom $189Details Sat, Dec 12, 2026Holiday 5K, 10K & 13.1M at Pflugerville, TX (50) Pflugerville, TXFrom $65Details Sat, Dec 12, 2026Holiday 5K, 10K, & 13.1M at Temple, TX (50) Temple, TXFrom $65Details Sat, Dec 12, 2026Georgetown Half Marathon Georgetown, TXFrom $115Details Sat, Dec 12, 2026Holiday 5K, 10K & 13.1M at Katy, TX (50) Katy, TXFrom $65Register Sat, Dec 12, 2026Run for Breast Cancer 5K/10K/13.1 AUSTIN/ROUNDROCK Pflugerville, TXFrom $45Register Sat, Dec 12, 2026Run for Breast Cancer 5K/10K/13.1 DALLAS FORT WORTH Fort Worth, TXFrom $60Register Sat, Dec 12, 2026Run for Breast Cancer 5K/10K/13.1 HOUSTON Houston, TXFrom $60Register Sat, Dec 12, 2026Run for Breast Cancer 5K/10K/13.1 SAN ANTONIO San Antonio, TXFrom $45Register Sat, Dec 12, 2026Sunrise Marathon 5K/10K/13.1 AUSTIN/ROUNDROCK Pflugerville, TXFrom $45Register Sat, Dec 12, 2026Sunrise Marathon 5K/10K/13.1 DALLAS FORT WORTH Fort Worth, TXFrom $60Register Sat, Dec 12, 2026Sunrise Marathon 5K/10K/13.1 HOUSTON Houston, TXFrom $60Register Sat, Dec 12, 2026Sunrise Marathon 5K/10K/13.1 SAN ANTONIO San Antonio, TXFrom $45Register Sun, Dec 13, 2026Star of Texas 50 Miler 50K Marathon Half Marathon 10K 5K Mile Challenge Last Person Standing Spicewood, TXFrom $110Details Sat, Dec 19, 2026Irving Frost Marathon Irving, TXFrom $120Details Sat, Dec 19, 2026Texas Double Dallas, TXFrom $110Details Sat, Dec 19, 2026Killeen Half MaraFUN Killeen, TXFrom $75Details Sat, Dec 19, 2026Holiday 5K, 10K, 13.1M & 26.2M at Temple, TX (51) Temple, TXFrom $65Details Sat, Dec 19, 2026Holiday 5K, 10K, & 13.1M at Austin, TX (51) Austin, TXFrom $65Register Sun, Dec 20, 2026Santa Hustle Galveston Galveston, TXFrom $110Details Sat, Dec 26, 2026Holiday 5K, 10K, & 13.1M at Temple, TX (52) Temple, TXFrom $65Details Sat, Dec 26, 2026Holiday 5K & 13.1M at Tyler, TX (52) Tyler, TXFrom $65Details Sat, Dec 26, 2026Holiday 5K, 10K & 13.1M at Cypress, TX (52) Cypress, TXFrom $65Register Sat, Dec 26, 2026A Merry Christmas Run 5K/10K/13.1 AUSTIN/ROUNDROCK Cedar Park, TXFrom $45Register Sat, Dec 26, 2026A Merry Christmas Run 5K/10K/13.1 DALLAS FORT WORTH Fort Worth, TXFrom $50Register Sat, Dec 26, 2026A Merry Christmas Run 5K/10K/13.1 HOUSTON Houston, TXFrom $60Register Sat, Dec 26, 2026A Merry Christmas Run 5K/10K/13.1 SAN ANTONIO San Antonio, TXFrom $45Register Sat, Dec 26, 2026New Year's Run 5K/10K/13.1 AUSTIN/ROUNDROCK Cedar Park, TXFrom $45Register Sat, Dec 26, 2026New Year's Run 5K/10K/13.1 DALLAS FORT WORTH Fort Worth, TXFrom $50Register Sat, Dec 26, 2026New Year's Run 5K/10K/13.1 SAN ANTONIO San Antonio, TXFrom $45Register Sat, Dec 26, 2026New Year's Run 5K/10K/13.1 HOUSTON Houston, TXFrom $60Register Thu, Dec 31, 2026New Years Double Allen, TXFrom $115Details Thu, Dec 31, 2026New Years Double - Virtual Option Any City - Any State, TXFrom $60Details
Common Questions About Running a December Half Marathon in Texas
What is a good Half Marathon time?
Across the 12 of these December half marathons with published results from past editions, the median finisher ran 2:11:25, and the median winning time was 1:44:28. So anything under 2:11:25 puts you in the faster half of a typical field. That is the middle of these RunSignup fields, walkers and charity entrants included, not a national average.
How big is a typical December Half Marathon field?
The median one finished 5 runners, across the 12 of these December half marathons with published results from past editions. Most are far smaller than the big-city events people picture, which means less crowding at the start and a friendlier field, with a last recorded finisher at 2:43:52.
Are there trail half marathons in Texas in December?
Yes, one race around Texas gets you off the pavement: 1 is a trail race.