Matt Mason "Cowboy UP" Triathlon

JUL
26
2026
Read all about the Matt Mason "Cowboy UP" Triathlon on 26 Jul 2026 in Smithville.
Sun 26 Jul 2026
Short Course Distance Tri... Long Course Distance Tria... Short Course Distance Dua... Short Course Distance Dua... Short Course Distance Tri...

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About the race

The Matt Mason “Cowboy UP!” Triathlon/Duathlon is held at Smithville Lake’s Crow’s Creek Park, Shelter 5, in Smithville, Missouri. The event honors fallen servicemen and women and keeps Matt Mason’s memory alive while supporting families. Race options include Short Course Triathlon (500m swim, 11-mile bike on two laps, 5K run mostly flat, out-and-back), Long Course Triathlon (1000m swim, 18.8-mile bike on four laps, 10K run), Short Course Duathlon (1.5-mile run, 11-mile bike on two laps, 5K run), and relay formats, plus a Virtual Runner.

The swim uses a time-trial start, the bike features looped routes with timing, and an awards ceremony follows the finish. Visit the organization's website for the most recent information.

19 mi
Long Course Distance Triathlon - Bike
11 mi
Short Course Distance Duathlon - Bike
11 mi
Short Course Distance Triathlon - Bike
6 mi
Long Course Distance Triathlon - Run
3 mi
Short Course Distance Duathlon - Run 2
3 mi
Short Course Distance Triathlon - Run
Short Course Distance Duathlon - Run 1
Short Course Distance Triathlon - Swim
Long Course Distance Triathlon - Swim

Events nearby

The Kansas City Triathlon, held in Kansas City, Missouri, is a premier regional event attracting both novice and veteran triathletes. Approaching its 20th anniversary, the race offers multiple formats..