Monster Triathlon
- Date Sun 12th October 2025
- Time 7:30AM CDT
- Location Keller, Texas
- Price $94.46
- Races 3 races
Last chance to enter
Race day is fast approaching
Event summary
Get ready to kick off the ultimate multi-sport celebration at the Monster Triathlon on Sunday, October 12, 2025, in Keller, Tarrant! This exciting event marks its 20th anniversary and promises to be a thrilling conclusion to the triathlon season for over 700 athletes. Participants will tackle a fast-paced course that begins with a 300-meter swim in the beautiful indoor pool at Keller Natatorium, followed by a swift 14.3-mile bike ride, and finishes with a spirited 3.1-mile run.
The Monster Triathlon is not just about the race; it's a festive gathering filled with energy, enthusiasm, and creativity. Athletes are encouraged to don their most colorful and imaginative costumes, making every finish line a sight to behold. With live bands and a vibrant atmosphere, this event is perfect for both seasoned triathletes and beginners looking to make their mark. Join us for a day of fun, fitness, and community spirit as we celebrate the end of the triathlon season in style!
The Monster Triathlon is not just about the race; it's a festive gathering filled with energy, enthusiasm, and creativity. Athletes are encouraged to don their most colorful and imaginative costumes, making every finish line a sight to behold. With live bands and a vibrant atmosphere, this event is perfect for both seasoned triathletes and beginners looking to make their mark. Join us for a day of fun, fitness, and community spirit as we celebrate the end of the triathlon season in style!
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 14.3 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.
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 14.3 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. $7.46 Fee & Monster Commemorative Swag!
Sun 12th October 2025 (7:30AM CDT)
$94.46
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 14.3 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. $7.46 Fee & Monster Commemorative Swag!
Sun 12th October 2025 (7:30AM CDT)
$94.46
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 14.3 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. $7.46 Fee & Monster Commemorative Swag!
Sun 12th October 2025 (7:30AM CDT)
$94.46
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 14.3 miles and run 3 miles. The run course is an out and back path on a beautiful wooded trail.
Participate in Running Research
Receive 2 FREE months of run training from our friends at RunDot
The RunDot Project is a research initiative that helps RunDot quantify and enhance the performance gains that RunDot's Optimized Training delivers over training alternatives.
Reviews
Done this event?
First-hand event reviews from people who have been there, done that and got the breathable T-shirt, really help everyone choose their next event.
Add a reviewMonster Triathlon
