Running
Marathon
42.2 km
from 65.00 EUR – 75.00 EUR
- Until Nov 30, 202665.00 EUR
- Dec 1, 2026 – Dec 31, 202675.00 EUR
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Race month
December · 47°–65°
Field size
20,000
Surface
asphalt
Distances
42.2k, 21.1k, 8k
Distances
Running
Half Marathon
21.1 km
from 55.00 EUR – 65.00 EUR
- Until Nov 30, 202655.00 EUR
- Dec 1, 2026 – Dec 31, 202665.00 EUR
Running
SATX 5K
8 km
from 40.00 EUR – 45.00 EUR
- Until Nov 30, 202640.00 EUR
- Dec 1, 2026 – Dec 31, 202645.00 EUR
Finish-time calculator
Your finish time
Slide to your target pace — and see when you’ll hit the line.
6:00
min / km
← faster · 2:0012:00 · easier →
4:13:10
Estimated finish · 42.2 km
10 km1:00:00
5 km30:00
Where am I when? · Splits
Start
0:00
5 km
30:00
10 km
1:00:00
15 km
1:30:00
20 km
2:00:00
Half
2:06:35
25 km
2:30:00
30 km
3:00:00
35 km
3:30:00
40 km
4:00:00
Finish
4:13:10
Estimates only · form, weather, and hills can change the result.
Course & climate
Typical weather in San Antonio
Monthly averages based on historical data (2000–present).
December
65°47°
- Sunrise
- 07:22
- Sunset
- 17:38
Surface mix
- 100% asphalt
What to expect
What makes this race distinct — for training and race day.
Established in 1984, San Antonio Sports is a nonprofit organization whose mission is to transform our community through the power of sport. Most known for hosting the NCAA Final Four, it’s our signature programs that offer free youth sports training to Title 1 elementary students each year, along with free fitness classes and 5K events that reach thousands that has inspired us to create the San Antonio Marathon. We are committed to creating opportunities that positively impact our community.
The field
20,000
Catering & aid stations
There are 18 water stations and 9 electrolyte stations along the course for the Marathon, 8 water stations and 4 electrolyte stations along the course for the Half Marathon, and 1 water station on the course for the SATX 5K.
Pacers
Pacers will be positioned at the start line holding signs for easy identification. A full list of pace group times will be released soon.
What does it cost?
| Marathon | from 65.00 EUR – 75.00 EUR |
|---|---|
| Until Nov 30, 2026 | 65.00 EUR |
| Dec 1, 2026 – Dec 31, 2026 | 75.00 EUR |
| Half Marathon | from 55.00 EUR – 65.00 EUR |
| Until Nov 30, 2026 | 55.00 EUR |
| Dec 1, 2026 – Dec 31, 2026 | 65.00 EUR |
| SATX 5K | from 40.00 EUR – 45.00 EUR |
| Until Nov 30, 2026 | 40.00 EUR |
| Dec 1, 2026 – Dec 31, 2026 | 45.00 EUR |
Entry fees often rise as earlier signup batches sell out or registration windows close.
Stay & get to the start
Getting there
Assumed starting point
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Estimating travel…
Hotels near the start
Route maps
Results
Official finisher lists are published by the race organiser.
View official resultsFAQ
How can I confirm my registration?
Log in to your RunSignUp account and navigate to your Profile page. Under “Upcoming Events”, you’ll see a list of races you’re currently registered for. A confirmation email is also sent by RunSignup immediately after registration.
What are the course time limits?
The Marathon time limit is 7 hours from the time you cross the starting line to the finish line. The Half Marathon time limit is 4 hours from the time you cross the starting line to the finish line. The 5K time limit is 1 hour from the time you cross the starting line to the finish line.
Are bikes allowed on the course?
No, bikes, rollerblades, strollers, or skateboards will not be permitted on any of the race courses for the San Antonio Marathon, Half Marathon, or 5K.
Can I change my race distance after registration?
Yes, distance changes can be made through your RunSignUp account from February 6, 2026, through November 2, 2026. After November 2, 2026, all distance changes must be completed in person at the event expo when picking up your bib.
Last updated: Oct 7, 2026, 12:04:41 AM
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