Upcoming Half Marathon Races in San Marcos, TX 2026-2027

Running through the Decades Half Marathon - Austin

Del Valle, TX

Saturday, May 30th, 2026

Featured

1 Mile

5K

10K

View details for race Running through the Decades Half Marathon - Austin

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Running through the Decades Half Marathon - San...

San Antonio, TX

Sunday, May 31st, 2026

1 Mile

5K

10K

View details for race Running through the Decades Half Marathon - San Antonio

Medal Madness 5K, 10K & 13.1M at Pflugerville, ...

Pflugerville, TX

Saturday, June 13th, 2026

5K

10K

Half

View details for race Medal Madness 5K, 10K & 13.1M at Pflugerville, TX (24)

Red, White and Blue Half Marathon - Austin

San Marcos, TX

Sunday, June 14th, 2026

Half

View details for race Red, White and Blue Half Marathon - Austin

Red, White and Blue Half Marathon - Austin

Austin, TX

Sunday, June 14th, 2026

Half

Trail

View details for race Red, White and Blue Half Marathon - Austin

Texas Sun Showdown Half Marathon, Relay & 5k

San Antonio, TX

Sunday, June 14th, 2026

Half

5K

View details for race Texas Sun Showdown Half Marathon, Relay & 5k

Medal Madness 5K, 10K & 13.1M at Pflugerville, ...

Pflugerville, TX

Saturday, June 27th, 2026

5K

10K

Half

View details for race Medal Madness 5K, 10K & 13.1M at Pflugerville, TX (26)

Red, White and Blue Half Marathon - San Antonio

San Antonio, TX

Saturday, June 27th, 2026

Half

View details for race Red, White and Blue Half Marathon - San Antonio

Heatwave Half Marathon - Austin

Austin, TX

Sunday, July 19th, 2026

1 Mile

5K

10K

View details for race Heatwave Half Marathon - Austin

Dragon trails Summer Edition (25, 10k, 5K)

San Antonio, TX

Sunday, July 19th, 2026

Half

10K

5K

Trail

View details for race Dragon trails Summer Edition (25, 10k, 5K)

Heatwave Half Marathon - Austin

Pflugerville, TX

Sunday, July 19th, 2026

1 Mile

5K

10K

View details for race Heatwave Half Marathon - Austin

Eagle 5K, 10K & 13.1M at Pflugerville, TX (30)

Pflugerville, TX

Saturday, July 25th, 2026

5K

10K

Half

View details for race Eagle 5K, 10K & 13.1M at Pflugerville, TX (30)

Heatwave Half Marathon - San Antonio

San Antonio, TX

Saturday, August 1st, 2026

1 Mile

5K

10K

View details for race Heatwave Half Marathon - San Antonio

Dragons Den Half Marathon, 10k, 5k

San Antonio, TX

Saturday, August 8th, 2026

Half

10K

5K

View details for race Dragons Den Half Marathon, 10k, 5k

Ninja 5K & 10K at Pflugerville, TX (32)

Pflugerville, TX

Saturday, August 8th, 2026

5K

10K

Half

View details for race Ninja 5K & 10K at Pflugerville, TX (32)

Summer Meltdown Half Marathon - Austin

Pflugerville, TX

Saturday, August 15th, 2026

1 Mile

5K

10K

View details for race Summer Meltdown Half Marathon - Austin

Summer Meltdown Half Marathon - San Antonio

San Antonio, TX

Sunday, August 16th, 2026

1 Mile

5K

10K

View details for race Summer Meltdown Half Marathon - San Antonio

LABOR DAY TRAIL CHALLENGE 5K · 10K · Half · Ma...

Cedar Creek, TX

Saturday, September 5th, 2026

5K

10K

Half

Trail

View details for race LABOR DAY TRAIL CHALLENGE 5K · 10K · Half · Marathon

E-Dragon Run Festival

San Antonio, TX

Sunday, September 6th, 2026

Half

10K

5K

View details for race E-Dragon Run Festival

Medal Madness 5K & 10K at Pflugerville, TX (37)

Pflugerville, TX

Saturday, September 12th, 2026

5K

10K

Half

View details for race Medal Madness 5K & 10K at Pflugerville, TX (37)

Heroes and Villains Half Marathon- San Antonio

San Antonio, TX

Saturday, September 12th, 2026

1 Mile

5K

10K

View details for race Heroes and Villains Half Marathon- San Antonio

Mellow Trail Race

Spicewood, TX

Saturday, September 12th, 2026

Marathon

Half

10K

Trail

View details for race Mellow Trail Race

Heroes and Villains Half Marathon - Austin

Pflugerville, TX

Sunday, September 13th, 2026

1 Mile

5K

10K

View details for race Heroes and Villains Half Marathon - Austin

Heroes and Villains Half Marathon - Austin

Austin, TX

Sunday, September 13th, 2026

1 Mile

5K

10K

View details for race Heroes and Villains Half Marathon - Austin

Golden Harvest Half Marathon & 5k/10k - Austin

Austin, TX

Saturday, September 19th, 2026

5K

10K

Half

View details for race Golden Harvest Half Marathon & 5k/10k - Austin

Golden Harvest Half Marathon & 5k/10k - San Ant...

San Antonio, TX

Sunday, September 27th, 2026

1 Mile

5K

10K

View details for race Golden Harvest Half Marathon & 5k/10k - San Antonio

Day of the Dead Half Marathon - Austin

Austin, TX

Saturday, October 3rd, 2026

1 Mile

5K

10K

View details for race Day of the Dead Half Marathon - Austin

Day of the Dead Half Marathon - Austin

San Marcos, TX

Saturday, October 3rd, 2026

1 Mile

5K

10K

View details for race Day of the Dead Half Marathon - Austin

Day of the Dead Half Marathon - San Antonio

Live Oak, TX

Sunday, October 4th, 2026

1 Mile

5K

10K

View details for race Day of the Dead Half Marathon - San Antonio

Autumn Harvest Trail Run | Bastrop Last Standin...

Bastrop, TX

Saturday, October 10th, 2026

Marathon

Half

10K

View details for race Autumn Harvest Trail Run | Bastrop Last Standing • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K

Haunted 5K & 10K at Pflugerville, TX (41)

Pflugerville, TX

Saturday, October 10th, 2026

5K

10K

Half

View details for race Haunted 5K & 10K at Pflugerville, TX (41)

Spooky Sprint-Austin

Cedar Park, TX

Saturday, October 17th, 2026

1 Mile

5K

10K

View details for race Spooky Sprint-Austin

Salmagundi Trail Race

Dripping Springs, TX

Saturday, November 7th, 2026

5K

10K

Half

Trail

View details for race Salmagundi Trail Race

Gobbler 5K & 10K at Pflugerville, TX (46)

Pflugerville, TX

Saturday, November 14th, 2026

5K

10K

Half

View details for race Gobbler 5K & 10K at Pflugerville, TX (46)

New Braunfels Half Marathon, 10K-5K

New Braunfels, TX

Sunday, November 15th, 2026

Half

10K

5K

View details for race New Braunfels Half Marathon, 10K-5K

Oasis Dash (Half-Marathon, 5 Miler & 5K)

Austin, TX

Saturday, November 21st, 2026

5K

Half

View details for race Oasis Dash (Half-Marathon, 5 Miler & 5K)

Turkey Trails- Austin

Pflugerville, TX

Saturday, November 21st, 2026

1 Mile

5K

10K

View details for race Turkey Trails- Austin

Turkey Trails- Austin

Austin, TX

Saturday, November 21st, 2026

1 Mile

5K

10K

View details for race Turkey Trails- Austin

Turkey Trails - San Antonio

San Antonio, TX

Sunday, November 29th, 2026

1 Mile

5K

10K

View details for race Turkey Trails - San Antonio

2026 - San Antonio Marathon

San Antonio, TX

Friday, December 4th, 2026

Marathon

Half

5K

View details for race 2026 - San Antonio Marathon

2026 San Antonio Marathon

San Antonio, TX

Friday, December 4th, 2026

Marathon

Half

5K

View details for race 2026 San Antonio Marathon

Holiday 5K & 10K at Pflugerville, TX (50)

Pflugerville, TX

Saturday, December 12th, 2026

5K

10K

Half

View details for race Holiday 5K & 10K at Pflugerville, TX (50)

Holiday Victory Lap and Star of Texas 50 Miler,...

Spicewood, TX

Sunday, December 13th, 2026

Marathon

Ultra

Half

BQ

View details for race Holiday Victory Lap and Star of Texas 50 Miler, 50K, Marathon, Half-Marathon, 10K, 5K

Spurs Austin International Half

Austin, TX

Sunday, January 17th, 2027

Half

Fast

View details for race Spurs Austin International Half

Austin Marathon

Austin, TX

Sunday, February 14th, 2027

Marathon

Half

5K

View details for race Austin Marathon

RUN THE ALAMO / 2027

San Antonio, TX

Saturday, March 6th, 2027

Fast

View details for race RUN THE ALAMO / 2027

Rodeo Trail Run of Austin Backyard Ultra • 8 Ho...

Spicewood, TX

Saturday, March 13th, 2027

Half

View details for race Rodeo Trail Run of Austin Backyard Ultra • 8 Hour • Marathon • Half Marathon

SARR Fiesta Mission Run

San Antonio, TX

Sunday, April 18th, 2027

Half

10K

5K

Fast

View details for race SARR Fiesta Mission Run

Run This Mother Half Marathon, 10k, 5K

San Antonio, TX

Sunday, May 9th, 2027

Half

10K

5K

View details for race Run This Mother Half Marathon, 10k, 5K

Upcoming Half Marathon Races Near San Marcos, TX