2026 - Matt Mason "Cowboy UP" Triathlon/Duathlon
2026 distances
Triathlon
Short Course (Individual)
Short Course Distance is a 500 meter swim (time trial start), 11 mile bike course (2 laps), and a 5K run (mostly flat, out and back course). Join us at Smithville Lake for one of the most patriotic triathlons in Kansas City! Short Course, Long Course, and Relay Team options available! All proceeds from this event are donated! The Matt Mason “Cowboy UP!” Triathlon/Duathlon was established in 2012 to honor, pay tribute, support and celebrate the lives of those who have made the ultimate sacrifice for their country. This triathlon is our way to stay close to our dear friend and keep his memory alive while focusing on supporting others like him and their families.
Long Course (Individual)
Long Course Distance is a 1000 meter swim (time trial start), 18.8 mile bike course (4 laps), and a 10K run (mostly flat, out and back course). Join us at Smithville Lake for one of the most patriotic triathlons in Kansas City! Short Course, Long Course, and Relay Team options available! All proceeds from this event are donated! The Matt Mason “Cowboy UP!” Triathlon/Duathlon was established in 2012 to honor, pay tribute, support and celebrate the lives of those who have made the ultimate sacrifice for their country. This triathlon is our way to stay close to our dear friend and keep his memory alive while focusing on supporting others like him and their families.
Short Course (Relay Team of 2-3 participants))
Short Course Distance is a 500 meter swim (time trial start), 11 mile bike course (2 laps), and a 5K run (mostly flat, out and back course). Join us at Smithville Lake for one of the most patriotic triathlons in Kansas City! Short Course, Long Course, and Relay Team options available! All proceeds from this event are donated! The Matt Mason “Cowboy UP!” Triathlon/Duathlon was established in 2012 to honor, pay tribute, support and celebrate the lives of those who have made the ultimate sacrifice for their country. This triathlon is our way to stay close to our dear friend and keep his memory alive while focusing on supporting others like him and their families.
Long Course (Relay Team of 2-3 participants)
Long Course Distance is a 1000 meter swim (time trial start), 18.8 mile bike course (4 laps), and a 10K run (mostly flat, out and back course). Join us at Smithville Lake for one of the most patriotic triathlons in Kansas City! Short Course, Long Course, and Relay Team options available! All proceeds from this event are donated! The Matt Mason “Cowboy UP!” Triathlon/Duathlon was established in 2012 to honor, pay tribute, support and celebrate the lives of those who have made the ultimate sacrifice for their country. This triathlon is our way to stay close to our dear friend and keep his memory alive while focusing on supporting others like him and their families.
Duathlon
Short Course Duathlon
Short Course Distance Duathlon is a 1.5 mile run (shotgun start), 11 mile bike course (2 laps), and a 5K run (mostly flat, out and back course). Join us at Smithville Lake for one of the most patriotic triathlons in Kansas City! Short Course, Long Course, and Relay Team options available! All proceeds from this event are donated! The Matt Mason “Cowboy UP!” Triathlon/Duathlon was established in 2012 to honor, pay tribute, support and celebrate the lives of those who have made the ultimate sacrifice for their country. This triathlon is our way to stay close to our dear friend and keep his memory alive while focusing on supporting others like him and their families.
Short Course Duathlon (Relay Team of 2-3 participants)
Short Course Distance Duathlon is a 1.5 mile run (shotgun start), 11 mile bike course (2 laps), and a 5K run (mostly flat, out and back course). Join us at Smithville Lake for one of the most patriotic triathlons in Kansas City! Short Course, Long Course, and Relay Team options available! All proceeds from this event are donated! The Matt Mason “Cowboy UP!” Triathlon/Duathlon was established in 2012 to honor, pay tribute, support and celebrate the lives of those who have made the ultimate sacrifice for their country. This triathlon is our way to stay close to our dear friend and keep his memory alive while focusing on supporting others like him and their families.
Race-day weather
Conditions on July 26, 2026 — historical Open-Meteo data.
The sun rises at 6:13 AM and sets at 8:36 PM local time (CDT) in Smithville on July 26, 2026 — 14h 23m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Smithville
Different organizers, within 40 miles, in the next three months
Julia's Warriors Run For Hope
New Hope Turkey Trot
Medal Madness 5K, 10K, & 13.1M at Kansas City, MO (44)
Holiday 5K, 10K, & 13.1M at Kansas City, MO (52)
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 5 Smithville events
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