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 Sep 22, 2026.
When in December
The December Race Weekends
Marathon races do not spread evenly across December. The busiest weekend is December 19 and December 20, with 3 of them. Another 4 fall on a weekday.
Dec 5 – Dec 62
Dec 12 – Dec 131
Dec 19 – Dec 203
By the numbers
The Biggest and Longest-Running
The December Marathon races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
Common Questions About Running a December Marathon in Texas
When in December are most Marathon races held?
The busiest weekend in Texas is December 19 and December 20, with 3 Marathon races on those two days, and the single busiest day is Saturday, December 19 with 3. Another 4 fall on a weekday, which is worth knowing if you are traveling for one.
When should I sign up for a December Marathon?
As early as you can. 4 of these December Marathon races already have a price increase on the calendar, and 9 are open for entry right now. Another 1 have published an opening date and have not opened yet.
How much does a December Marathon cost to enter?
The typical entry is $59.99, with paid entries running from $22.5 up to $100. Entry fees climb as race day gets closer, so the same race is usually cheapest the week it opens.
What is a good Marathon time?
Across the 3 of these December Marathon races with published results from past editions, the median finisher ran 4:44:10, and the median winning time was 2:50:19. So anything under 4:44:10 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 Marathon field?
The median one finished 134 runners, across the 3 of these December Marathon races 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 6:29:24.
Are there trail Marathon races in Texas in December?
Yes, one race around Texas gets you off the pavement: 1 is a trail race. Surfaces are not always published, so it is worth checking a specific race before you register.
Marathon Races in Other Months
November and January sit either side of December, which is where most people look next when a date does not fit.