Marble Falls Triathlon
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Event Overview
The 23rd Annual Marble Falls Triathlon is a multisport event scheduled for July 26, 2026. It takes place at 108 Buena Vista Drive in Marble Falls, Texas.
Course Details
The event features an Intermediate distance and a Sprint distance. Both distances include swim, bike, and run segments, as well as Aqua/Bike (swim and bike) and Bike/Run (bike and run) options. The courses take place in and around the hill country area of Marble Falls.
The Intermediate distance consists of:
- A 1,000-meter swim in Lake Marble Falls
- A 16-mile bike ride through the town and surrounding farm and ranch areas
- A 4.4-mile run through a lakeside neighborhood
The Sprint distance consists of:
- A 500-meter swim
- A 12-mile bike ride
- A 2.2-mile run
The swim uses a time-trial start, with participants assigned bibs based on their estimated swim time. Water temperature is typically between 80-84°F, which generally makes wetsuits ineligible for award eligibility under USAT rules. The event is sanctioned by USA Triathlon. All bikes must be in good working condition, helmets with chin straps are mandatory, and e-bikes are not allowed.
Registration and Awards
Participants must be 13 years of age or older. Registration pricing follows a tiered schedule, with the lowest rates available until May 10, 2026. There is no race day registration. Awards are given for overall and masters winners in each category, as well as for top finishers in 5-year age groups. Age is determined by the participant's age on December 31, 2024. Visit the organization's website for the most recent information.
