Matt Mason "Cowboy UP" Triathlon
Always double-check with the organizer's website! This page may contain affiliate links.
2026 Matt Mason "Cowboy UP" Triathlon/Duathlon
The event takes place on Sunday, July 26, 2026, at Smithville Lake Crow's Creek Park, Shelter 5, Smithville, MO 64089. It was established to honor and support the families of those who made the ultimate sacrifice and to remember Matt Mason. The event program includes individual and relay triathlon options, a duathlon, and a virtual runner option.
Courses and race details
- Short Course Duathlon: 1.5 mile run, 11 mile bike (2 laps), 5K run.
- Short Course Triathlon: 500 m swim, 11 mile bike (2 laps), 5K run.
- Long Course Triathlon: 1,000 m swim, 18.8 mile bike (4 laps), 10K run.
The swim is a clockwise time trial start with athletes entering the water approximately every three seconds. The duathlon uses a shotgun start on the run path to the right of the beach. Exiting transition includes an incline; it is about 1.6 miles to reach Highway E from transition. Short course bike competitors complete two loops and long course competitors complete four loops; a timing box is on the bike course and a bike course map is included in race packets. Short course athletes pass two water stations on the run course and long course athletes pass five. Age-group and overall awards for Men and Women are given for both short and long course triathlon and duathlon. Visit the organization's website for the most recent information.