Monster Triathlon

  • Date Sun 12th October 2025
  • Location Keller, Texas
  • Price $60.18
  • Races 3 races

Event summary

Get ready to wrap up your triathlon season with a thrilling experience at the Monster Triathlon on Sunday, October 12, 2025, in Keller, Tarrant! Celebrating its 20th anniversary, this exciting event is anticipated to attract over 700 athletes, making it a fantastic gathering for both seasoned triathletes and enthusiastic beginners alike.

Participants will dive into the action with a 300-meter swim in the beautiful indoor Keller Natatorium, followed by a brisk 12.8-mile bike ride, culminating in a spirited 3.1-mile run. The Monster Triathlon is not just about racing; itโ€™s a vibrant celebration filled with energy, lively music, and fun costumes that are encouraged for all participants! Whether youโ€™re aiming for a personal best or simply looking to enjoy a fantastic day out, the Monster Triathlon promises an unforgettable experience to close out your season on a high note. Donโ€™t miss your chance to be part of this exhilarating event!

Organiser's Description

Rather than end the multi-sport season with a bang, these athletes end their season with a SCREAM!

Monster Triathlon 2025 marks year 20 and will sell-out early with over 700 athletes! The distances are FAST for the experienced athletes and just right for the beginner.

At Monster Keller, you will enjoy the beautiful indoor pool of the Keller Natatorium for a 300 meter swim; jump on your bike for 12.8 miles, and finish strong with a 3.1 mile run. Each event is a little different at the finish line. Some have live bands, but ALL of the events are filled with energy and WONDERFUL costumes which are ENCOURAGED! This is a great race to end your triathlon season!



WEATHER POLICY

In the event of inclement weather, the start time of this event may be delayed by up to 1 hour. Past this time, the event course may be shortened or altered to protect the participants.

If conditions turn unsafe, the event may be cancelled. Event changes and cancellations are at the discretion of the Race Director.

We always strive to produce a full and safe sporting event, but sometimes the weather conditions can affect those plans.

Considerable amount goes into planning a sporting event and we do so with the best intentions. Unfortunately, no one can control the weather and race directors are not the exceptions.

Our goal is to always produce a full event as scheduled and only modify these plans due to safety concerns some of which can be caused by weather conditions.

Thank you for your understanding of these policies and we appreciate your participation.

Races

  • Monster Triathlon Age Group

    Incl. $5.18 Fee & Monster Commemorative Swag!

    Sun 12th October 2025 (7:30AM EDT)

    $60.18

    The Monster Triathlon is a sprint race that sells out each year! At Monster, you will swim 300 meters at the Keller Natatorium indoor pool, bike 13.5 miles and run 3 miles. The run course is an out and back path on a beautiful wooded trail.
  • Monster Triathlon Athena (Female 165lbs+)

    Incl. $5.18 Fee & Monster Commemorative Swag!

    Sun 12th October 2025 (7:30AM EDT)

    $60.18

    The Athena division is for females 165lbs+. The Monster Triathlon is a sprint race that sells out each year! At Monster, you will swim 300 meters at the Keller Natatorium indoor pool, bike 13.5 miles and run 3 miles. The run course is an out and back path on a beautiful wooded trail.
  • Monster Triathlon Clydesdale (Male 220lbs+)

    Incl. $5.18 Fee & Monster Commemorative Swag!

    Sun 12th October 2025 (7:30AM EDT)

    $60.18

    The Clydesdale division is for males 220lbs+. The Monster Triathlon is a sprint race that sells out each year! At Monster, you will swim 300 meters at the Keller Natatorium indoor pool, bike 13.5 miles and run 3 miles. The run course is an out and back path on a beautiful wooded trail.

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Location

1000 Bear Creek Pkwy, Keller, 76248, TX, United States

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