Photo: Wilfredor · CC0 1.0 · Wikimedia CommonsRoad RunningBoston Marathon Qualifier
San Antonio Marathon
San Antonio, United States
December 4, 2026 to December 6, 2026Date confirmed
42.2 km21.1 km5 km
City RunCulture & History+1
USRoad Running · Half Marathons (21.1 km) · San Antonio · 22 Events · 77 Races
Half Marathons (21.1 km) in San Antonio
22 verified events with 77 individual races (2 confirmed dates) in San Antonio complete with route maps and elevation profiles.
Events222 confirmed dates
Competitions77Races & courses
Distances1.6 - 42.2 kmCourse distance range
Max. Elevation Gain+190 m D+Course elevation profile
Selected Events
Featured Events & Highlights
Photo: Wilfredor · CC0 1.0 · Wikimedia Commons
Photo: DS Pugh · CC BY-SA 2.0 · Wikimedia CommonsRoad Running
Battle of Leon Creek
San Antonio, United States
Date to be announcedDate TBA
32 km21.1 km16 km5 km
City RunCulture & History+2
Photo: DS Pugh · CC BY-SA 2.0 · Wikimedia CommonsRoad Running
RED, White AND BLUE HALF Marathon SAN Antonio
San Antonio, United States
Date to be announcedDate TBA
21.1 km12.88 km6.44 km3.22 km
City RunPublic Park
Photo: DS Pugh · CC BY-SA 2.0 · Wikimedia CommonsRoad Running
SARR Texas Sun Showdown
San Antonio, United States
Date to be announcedDate TBA
21.1 km10 km5 km
Public ParkCity Run+1
Photo: Shixart1985 · CC BY 2.0 · Wikimedia CommonsRoad Running
Remember the Alamo…Beer !
San Antonio, United States
Date to be announcedDate TBA
21.1 km10 km5 km
Public ParkCity Run+2
Photo: Shixart1985 · CC BY 2.0 · Wikimedia CommonsRoad Running
Battle of Salado Creek
San Antonio, United States
Date to be announcedDate TBA
21.1 km16.09 km8 km5 km
City RunNature & Off-Road
Photo: Shixart1985 · CC BY 2.0 · Wikimedia CommonsRoad Running
Spooky Sprint - San Antonio
San Antonio, United States
Date to be announcedDate TBA
21.1 km10 km5 km1.61 km
City RunPublic Park+3
Photo: Stephen Craven · CC BY-SA 2.0 · Wikimedia CommonsRoad Running
Run for Donuts - SAN Antonio
San Antonio, United States
Date to be announcedDate TBA
21.1 km10 km5 km
City RunFestive
Dates & Schedule
Race Calendar
December 2026
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Dec 4, 2026 - Dec 6, 2026 | San Antonio Marathon | San Antonio, Texas, US | Road Running | 42.2 km21.1 km5 km |
Date to be announced
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Date to be announced | Battle of Leon Creek | San Antonio, Texas, US | Road Running | 32 km21.1 km16 km5 km |
| Date to be announced | RED, White AND BLUE HALF Marathon SAN Antonio | San Antonio, Texas, US | Road Running | 21.1 km12.88 km6.44 km3.22 km |
| Date to be announced | SARR Texas Sun Showdown | San Antonio, Texas, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | Remember the Alamo…Beer ! | San Antonio, Texas, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | Battle of Salado Creek | San Antonio, Texas, US | Road Running | 21.1 km16.09 km8 km5 km |
| Date to be announced | Spooky Sprint - San Antonio | San Antonio, Texas, US | Road Running | 21.1 km10 km5 km1.61 km |
| Date to be announced | Run for Donuts - SAN Antonio | San Antonio, Texas, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | Course des paresseux de SAN ANTONIO | San Antonio, Texas, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | Hometown Half Marathon & 5k/10k - San Antonio | San Antonio, Texas, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | Hometown Half Marathon | San Antonio, Texas, US | Road Running | 21.1 km10 km5 km |
| Date to be announced | Keep Going 5K/10K/13.1 Run SAN ANTONIO | San Antonio, Texas, US | Road Running | 21.1 km10 km5 km |
Events by Month
Overview & Route Character
Covering 21.0975 kilometers, the half marathon blends endurance and speed across fast city boulevards and scenic road courses. Measured asphalt and city courses ranging from fast 5K and 10K races to international half marathons, marathons, and 100K road ultras. In this Half Marathons (21.1 km) in San Antonio directory, RunningCompass curates 22 events comprising 77 individual races, including 2 events with confirmed upcoming dates.
Courses span distances ranging from 1.6 km to 42.2 km and elevation gains up to +190 m. Key host locations include San Antonio. Notable events in this selection include San Antonio Marathon, Battle of Leon Creek, RED, White AND BLUE HALF Marathon SAN Antonio.
Questions & Answers
Frequently asked questions (FAQ)
How many events and races are listed under Half Marathons (21.1 km) in San Antonio?
This overview currently includes 22 verified events featuring 77 individual races. Of these, 2 events have confirmed upcoming dates on the calendar, while 20 events await next edition date confirmation from the organizer.
What race distances and elevation profiles are included in Half Marathons (21.1 km) in San Antonio?
Races in this selection span distances of 1.6 km to 42.2 km. The most demanding courses reach up to +190 m of positive elevation gain. Featured disciplines include Road Running.
Which host cities and flagship events stand out in Half Marathons (21.1 km) in San Antonio?
Top host locations include San Antonio. Representative events in the catalog include San Antonio Marathon, Battle of Leon Creek, RED, White AND BLUE HALF Marathon SAN Antonio, SARR Texas Sun Showdown. Covering 21.0975 kilometers, the half marathon blends endurance and speed across fast city boulevards and scenic road courses.
How can I inspect route maps, elevation charts, and date filters for Half Marathons (21.1 km) in San Antonio?
Every event profile provides an interactive route map, a detailed elevation chart across all 77 races, and a GPX track download. You can also switch directly to the interactive map explorer to filter by date range and distance.