Texas Sun Showdown Half Marathon 2026

The 3rd Annual Texas Sun Showdown Half Marathon, Relay & 5k takes place on June 14, 2026, at McAllister Park-Pavilion #2 in San Antonio, Texas. Participants can expect warm to hot summer conditions typical of San Antonio in mid-June, with temperatures often rising quickly as the morning progresses. This road race event offers multiple formats, including a solo half marathon, team relay options, and a 5K run, all set within the scenic surroundings of McAllister Park.

What race distances and formats are available?

• →Solo Half Marathon (consisting of two loops)
• →Team Relay (available in 2-person or 4-person configurations)
• →Solo 5K

What is the event schedule for race day?

• →7:15 AM: Half Marathon and 2-person relay start
• →7:20 AM: 4-person relay start
• →7:30 AM: 5K start
• →8:30 AM: 5K Awards
• →9:45 AM: Relay Awards
• →10:00 AM: Half Marathon Awards

What are the specific race courses?

• →The Half Marathon and 2-person relay follow two loops around McAllister Park roads, viewable on Mapmyrun ↗.
• →The 4-person relay utilizes a dedicated route within the park, viewable on Mapmyrun ↗.
• →The 5K takes place on a park loop, viewable on Plotaroute ↗.

Are there specific categories for the relay teams?

Relay teams register per person and can compete in the following categories:

• →Open
• →Masters (40+)
• →Super Masters (50+)
• →Mixed X/Y
• →Military

What is included with race registration?

Finisher perks include:

• →A Texas-themed medal
• →An event shirt
• →Post-race barbecue

Are there any time limits or restrictions for the races?

• →The Half Marathon has a strict 4-hour time limit.
• →Virtual participation options are no longer available for the 5K or the Half Marathon.

When and where can I pick up my race packet?

• →June 13: 11:00 AM – 4:00 PM at IRUN
• →Race Day (June 14): 6:00 AM – 7:30 AM at the event venue