Beast of the Brazos
Typically 71–89°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
70–90°F
dry
2024
66–88°F
dry
2023
78–94°F
dry
2022
70–90°F
dry
2021
69–91°F
dry
2020
67–85°F
dry
2019
75–95°F
dry
2018
70–84°F
rain
2017
62–89°F
dry
2016
69–86°F
dry
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About this race
Ready to Conquer the Beast?
Take on the challenge of the Beast of the Brazos Open Water Swim in the heart of Waco, Texas. Whether you're looking to test the waters with the 750-meter swim, train on the 1.2-mile course that mirrors the IRONMAN 70.3 Waco swim, or challenge yourself with the 2.4-mile distance that replicates a full IRONMAN swim, there's a race for every level of swimmer.
Held in the scenic Brazos River, Beast of the Brazos offers a unique open-water experience for first-time participants and experienced athletes alike. All registered participants will receive an official event swim cap, Dri-FIT shirt, and finisher medal. Shirts must be purchased before the shirt deadline to guarantee your size.
Course map
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