Keller

Monster Triathlon

OCT
12
2025
Read all about the Monster Triathlon on 12 Oct 2025 in Keller.
Sun 12 Oct 2025
Keller, Texas
Registration
300 Meter Swim 3.1 Mile Run 12.8 Miles Bike

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About the race

The Monster Triathlon, held in Keller, Texas, is a popular USAT-sanctioned event marking its 20th year in 2025 with over 700 athletes expected. The race features a 300-meter indoor pool swim at the Keller Natatorium, a challenging 12.8-mile bike course consisting of three hillier loops, and a 3.1-mile run. The event encourages participants to wear costumes, creating a lively and energetic atmosphere often enhanced by live bands at the finish.

It offers various categories including Age Group, Athena (female 165lbs+), and Clydesdale (male 220lbs+). Participants receive swag, DAR socks, and finisher medals, with awards given across multiple age groups and special divisions. Visit the organization's website for the most recent information.

3 mi
3.1 Mile Run
300 Meter Swim
12.8 Miles Bike

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