2026 - San Antonio Marathon
San Antonio Marathon celebrates city heritage on a fast, certified course.
Race Date
Dec 4, 2026
Location
San Antonio, TX
Quick facts
- Date
- Friday, December 4, 2026
- Location
- San Antonio, Texas
- Distance
- Half marathon (13.1 mi) + 26.2 Miles, 5K
- Course
- Point to Point
- Terrain
- Road
- USATF certified
- Yes
- Finishers on record
- 199,661
Highlights
Good For
Atmosphere
Course
The Experience
The San Antonio Marathon, a signature event presented by San Antonio Sports, invites runners to experience a premier celebration in the heart of the city. First run in 2004, this race has grown into a beloved institution, with recent editions seeing around 9,131 finishers. Runners travel from across the country, drawn by the promise of a fast, certified course that winds through the vibrant streets of San Antonio.
The course itself is a testament to the city's spirit, offering a largely flat profile with minimal elevation change, making it a prime candidate for personal bests. The race is a point-to-point event, with a slight net drop and start/finish separation that aids in achieving fast times. The typical race-day weather, averaging 52–67°F, provides a comfortable environment for runners aiming for their next PR.
With a strong community focus and a growing field, the San Antonio Marathon offers a compelling experience for both seasoned racers and newcomers alike. The event celebrates the city's heritage, with every step telling a story, culminating in a rewarding finish for all participants.
Race-provided description
Thank you for registering! The San Antonio Marathon, presented by San Antonio Sports, celebrates the spirit and heritage of our city. In collaboration with the City of San Antonio, Visit San Antonio, and Centro, this signature event invites you to experience a premier running celebration in the heart of San Antonio—where every step tells a story.
Logistics
Race Day
Friday, December 4, 2026
Start Time
7:15 AM
Giveaway
T-Shirt
Start Location
434 S. Alamo Street, San Antonio, TX, 78205
Course Info
USATF CertifiedCourse Type
Point to Point
Terrain
road
Scenery
Urban
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
2.9%
Also Offers
USATF Certified Course
TX25052LAB · San Antonio Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Quality Score
Standout7722 years running
~5,254 finishers a year
growing or steady
17% returning runners
USATF certified · 5 timing sources
runners from 1 state
winner 0:53:34
typical high 67°F
Race Day Weather
5-year historical avgStart (Low)
52°
Afternoon (High)
67°
Pleasant conditions — light layers at start, comfortable by finish
0.0"
Precipitation
9 mph
Wind
72%
Humidity
Historical Finish Times
How 199,661 finishers actually crossed the line across 22 years.
Most recent
2025
Total finishers
199,661
Median time
2:26:51
Latest turnout
9,131
States
51
Turnout by year
2018–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the 2026 - San Antonio Marathon?
The 2026 - San Antonio Marathon is held on Friday, December 4, 2026, starting at 7:15 AM.
Where does the 2026 - San Antonio Marathon take place?
It takes place in San Antonio, Texas.
What distances does the 2026 - San Antonio Marathon offer?
The half marathon (13.1 miles), plus 26.2 Miles, 5K.
Is the 2026 - San Antonio Marathon course flat and good for a PR?
The 2026 - San Antonio Marathon is a ultra-flat, point to point course. The course is USATF-certified, so finish times can be used for qualifying.
How many people run the 2026 - San Antonio Marathon?
HalfRuns has finish records for 199,661 runners who have completed the 2026 - San Antonio Marathon.
HalfRuns editorial — independent, no paid placement.
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