Matt Mason "Cowboy UP" Triathlon
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2026 Matt Mason "Cowboy UP" Triathlon/Duathlon
The event is scheduled for Sunday, July 26, 2026, at Smithville Lake Crow's Creek Park, Shelter 5, Smithville, MO 64089. It includes multiple event formats: individual triathlons, duathlons, relay teams, and a virtual-run option. The race was established to honor and support the lives and families of those who made the ultimate sacrifice for their country and to remember Matt Mason.
Course and race details
- Short Duathlon: 1.5 mile run, 11 mile bike (2 laps), 5K run
- Short Triathlon: 500 meter swim, 11 mile bike (2 laps), 5K run
- Long Triathlon: 1,000 meter swim, 18.8 mile bike (4 laps), 10K run
The swim course is clockwise and uses a time-trial start with athletes entering the water in short intervals. The bike course requires athletes to count laps - short course is two laps, long course is four laps - and exits the park to reach Highway E about 1.6 miles from transition. Run courses are described as mostly flat and out-and-back. Aid stations are on the run course - short course athletes pass two water stations, long course athletes pass five. Athletes are body marked and use a transition area for swim-bike-run changes. Age-group and overall awards are given for men and women in both short and long formats. Volunteer roles and lifeguard positions are listed; certified lifeguards receive payment plus an event T-shirt. Packet pickup information and full course maps are available on the race website. Visit the organization's website for the most recent information.