Sat, Jul 31, 2027

Heatwave Half Marathon/5K/10K - San Antonio

San Antonio, TX

Registration openAnnual since at least 2026

50m1 Mile5K10KHalf Marathon

Heatwave Half Marathon/5K/10K - San Antonio 2026 Results

Going by the 2026 results, this is a small, friendly field, and the spread of finish times is wide, so this is a mostly recreational race rather than one for club runners.

5K Results · 2026

107finishers

0:28winner

34:25median

1:04:57cutoff

Top 3: Robert Duran (0:28) · Stacey Marin-Guerra (11:19) · Joseph Bugnet (18:56)

10K Results · 2026

49finishers

44:36winner

1:10:04median

1:56:07cutoff

Top 3: Couper Siddell (44:36) · Joshua Couch (45:22) · Isaiah Leal (50:16)

Half Marathon Results · 2026

19finishers

1:48:10winner

2:27:08median

3:16:07cutoff

Top 3: Mauricio Lopez (1:48:10) · Winnie Werner (2:06:05) · David Elizarraraz (2:07:36)

The Heatwave Half Marathon/5K/10K - San Antonio has been held every year since at least 2026. That is as far back as RunSignup's records for this race go, so it may well be older.

Where Would You Finish?

Enter a finish time to see where it lands against the most recent 5K results.

Median

See how your time stacks up nationally →

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 Oct 25, 2026.

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Distances & Start Times

50m7/31/2027 07:00$17

1 Mile7/31/2027 07:00$22

5K7/31/2027 07:00$31

10K7/31/2027 07:00$31

13.1 Miles7/31/2027 07:00$56

Virtual Race7/31/2027 07:00$42

Volunteer Then Run7/31/2027 07:00$17

Running Buddy Half Marathon7/31/2027 07:00Free

Going for a Time?

Set a goal and get a pace band: every mile split on a card sized for your phone lock screen, so race morning needs no math.

Not sure what to aim for? The 5K pace chart lists the pace for every finish time.

Plan Your Trip

Where to Stay

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Common Questions About the Heatwave Half Marathon/5K/10K - San Antonio

Will I finish last at the Heatwave Half Marathon/5K/10K - San Antonio?

Almost certainly not. Half the 5K field finished slower than 34:25, and the last recorded finisher came in around 1:04:57, so there is a long tail of runners behind the middle of the pack. Most fields are far slower than people expect.

Is the Heatwave Half Marathon/5K/10K - San Antonio a good first 5K?

It is a small race (107 finishers), which is friendlier and less intimidating than a big-city event, though the field thins out. There is no qualifying time, and the finish-time spread above shows how varied the field really is. If it is your first 5K, that spread matters more than the winner's time.

How competitive is the Heatwave Half Marathon/5K/10K - San Antonio?

The 5K winner ran 0:28 while the median finisher took 34:25. That spread points to a broad, mostly recreational field rather than a race dominated by club runners.

Where can I train for the Heatwave Half Marathon/5K/10K - San Antonio?

Join a local run club. Dreamers, In The Loop Run Crew, Urban Run Club SATX and others in San Antonio welcome runners of all paces, and a weekly group run is the most reliable way to hold a training block together.

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