2026 Matt Mason "Cowboy UP" Triathlon/Duathlon
- Date Sun 26th July 2026
- Time 7:00AM CDT
- Location Smithville, Missouri
- Price $59.30 - $197.10
- Races 7 races
Event summary
Join us for the exhilarating 2026 Matt Mason "Cowboy UP" Triathlon/Duathlon on Sunday, July 26, 2026, in the scenic town of Smithville, Clay. This vibrant event honors the brave individuals who have made the ultimate sacrifice for our country while keeping the memory of our dear friend, Matt Mason, alive. Athletes of all levels can participate in various race distances, including the Short Course Distance Duathlon featuring a 1.5-mile run, an 11-mile bike course, and a 5K run, as well as the Short and Long Course Distance Triathlons with swim distances of 500 meters and 1,000 meters, respectively, alongside similar biking and running challenges.
With a focus on camaraderie and community support, this triathlon promises an unforgettable day filled with excitement, competition, and heartfelt tributes. The race kicks off at 7:00 AM with athletes embarking on their journeys through beautiful landscapes. Whether you're aiming for personal bests or just looking to enjoy a day outdoors, the Matt Mason "Cowboy UP" Triathlon/Duathlon is the perfect event for athletes and spectators alike. Mark your calendars and get ready to race in honor of those who serve
With a focus on camaraderie and community support, this triathlon promises an unforgettable day filled with excitement, competition, and heartfelt tributes. The race kicks off at 7:00 AM with athletes embarking on their journeys through beautiful landscapes. Whether you're aiming for personal bests or just looking to enjoy a day outdoors, the Matt Mason "Cowboy UP" Triathlon/Duathlon is the perfect event for athletes and spectators alike. Mark your calendars and get ready to race in honor of those who serve
Organiser's Description
The Matt Mason Cowboy UP! Triathlon/Duathlon has been established 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, Matt Mason, and keep his memory alive while focusing on supporting others like him and their families.
RACE DISTANCES:
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).
Short Course Distance Triathlon is a 500 meter swim (time trial start), 11 mile bike course (2 laps), and a 5K run (mostly flat, out and back course).
Long Course Distance Triathlon is a 1,000 meter swim (time trial start), 18.8 mile bike course (4 laps), and a 10K run (mostly flat, out and back course).
RACE DAY INFO:
SUNDAY, JULY 27, 2025
5:00am Gates Open
5:15am Transition/Body Marking Opens
6:15am Swim Warmup Open
**6:30am Park Gates/Roads Close
6:45am Transition Closes
6:45 to 7:00am Opening Ceremonies
7:00am Race Starts (Long Course athletes in the water first)
10:30am (approx.) Awards Ceremony and Raffle Winners
**Park roads will be closed until last biker is off the course
TRANSITION:
Transition opens at 5:15am. All athletes will be body marked. Volunteers will be outside the transition entrance ready to help all athletes as they enter.
SWIM START:
Swim warmup opens at 6:15am. Transition closes at 6:45am and all athletes need to exit the area by that time. Race begins at 7am and long course athletes will enter the water first, followed by short course athletes. The swim course is clockwise, and the start will be a time trial start where athletes enter the water approximately every three seconds. You will see minute marker signs for both short and long course athletes should place themselves in line according to the swim time that is most comfortable.
DUATHLON START:
Duathlon will shotgun start on the run path to the right of the beach away from the finish line at the same time the short course triathlon swim starts.
BIKE COURSE:
Please keep in mind that there is an incline as you exit transition please set your bike gears accordingly. After you exit transition, it is approximately 1.6 miles to exit the park and reach Highway E. At this point, you will need to count your loops around the course. Short Course will do 2 loops and Long Course will do 4 loops. There will be a timing box on the bike course for accuracy. A bike course map will be included in your packet.
AID STATIONS:
There will be water stations along the run course. Short course athletes will pass 2 water stations and Long course athletes will pass 5 water stations.
AWARDS:
Age group and overall awards will be given for Men and Women for both the Short Course and Long Course Triathlon and Duathlon. The awards ceremony will be held near the finish line after the race.
COURSE MAP:
The swim, bike and run maps are all available on our website by clicking HERE [http://cowboyuptriathlon.com/courses/]!
INTERESTED IN THE MIDWEST TRIATHLON SERIES?
The Matt Mason "Cowboy UP' Triathlon/Duathlon is one of three events that make up the Midwest Triathlon Series, a three-race challenge held over consecutive weekends.
How the series works:
Athletes must register separately for the Midwest Triathlon Series
Athletes must also register individually for each of the three series races
Series registration does not include entry into the individual races
Series Races:
Matt Mason Memorial Cowboy Up Triathlon
Shawnee Mission Triathlon & Duathlon
Kill Creek Park Triathlon, Duathlon, Aquabike & Aquathlon
If youre planning to race more than one event, we encourage you to register for the series and take on the full challenge.
We look forward to seeing you all soon! Feel free to reach out with any questions!
RACE DISTANCES:
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).
Short Course Distance Triathlon is a 500 meter swim (time trial start), 11 mile bike course (2 laps), and a 5K run (mostly flat, out and back course).
Long Course Distance Triathlon is a 1,000 meter swim (time trial start), 18.8 mile bike course (4 laps), and a 10K run (mostly flat, out and back course).
RACE DAY INFO:
SUNDAY, JULY 27, 2025
5:00am Gates Open
5:15am Transition/Body Marking Opens
6:15am Swim Warmup Open
**6:30am Park Gates/Roads Close
6:45am Transition Closes
6:45 to 7:00am Opening Ceremonies
7:00am Race Starts (Long Course athletes in the water first)
10:30am (approx.) Awards Ceremony and Raffle Winners
**Park roads will be closed until last biker is off the course
TRANSITION:
Transition opens at 5:15am. All athletes will be body marked. Volunteers will be outside the transition entrance ready to help all athletes as they enter.
SWIM START:
Swim warmup opens at 6:15am. Transition closes at 6:45am and all athletes need to exit the area by that time. Race begins at 7am and long course athletes will enter the water first, followed by short course athletes. The swim course is clockwise, and the start will be a time trial start where athletes enter the water approximately every three seconds. You will see minute marker signs for both short and long course athletes should place themselves in line according to the swim time that is most comfortable.
DUATHLON START:
Duathlon will shotgun start on the run path to the right of the beach away from the finish line at the same time the short course triathlon swim starts.
BIKE COURSE:
Please keep in mind that there is an incline as you exit transition please set your bike gears accordingly. After you exit transition, it is approximately 1.6 miles to exit the park and reach Highway E. At this point, you will need to count your loops around the course. Short Course will do 2 loops and Long Course will do 4 loops. There will be a timing box on the bike course for accuracy. A bike course map will be included in your packet.
AID STATIONS:
There will be water stations along the run course. Short course athletes will pass 2 water stations and Long course athletes will pass 5 water stations.
AWARDS:
Age group and overall awards will be given for Men and Women for both the Short Course and Long Course Triathlon and Duathlon. The awards ceremony will be held near the finish line after the race.
COURSE MAP:
The swim, bike and run maps are all available on our website by clicking HERE [http://cowboyuptriathlon.com/courses/]!
INTERESTED IN THE MIDWEST TRIATHLON SERIES?
The Matt Mason "Cowboy UP' Triathlon/Duathlon is one of three events that make up the Midwest Triathlon Series, a three-race challenge held over consecutive weekends.
How the series works:
Athletes must register separately for the Midwest Triathlon Series
Athletes must also register individually for each of the three series races
Series registration does not include entry into the individual races
Series Races:
Matt Mason Memorial Cowboy Up Triathlon
Shawnee Mission Triathlon & Duathlon
Kill Creek Park Triathlon, Duathlon, Aquabike & Aquathlon
If youre planning to race more than one event, we encourage you to register for the series and take on the full challenge.
We look forward to seeing you all soon! Feel free to reach out with any questions!
Races
-
Short Course (Individual)
Incl. $6.40 Fee & T-Shirt
Sun 26th July 2026 (7:30AM CDT)
$96.40
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)
Incl. $7.00 Fee & T-Shirt
Sun 26th July 2026 (7:00AM CDT)
$107.00
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))
Incl. $10.30 Fee & T-Shirt
Sun 26th July 2026 (7:30AM CDT)
$165.30
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)
Incl. $12.10 Fee & T-Shirt
Sun 26th July 2026 (7:00AM CDT)
$197.10
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. -
Virtual Runner (Anyone, Anywhere, Anytime)
Incl. $4.30 Fee & T-Shirt
$59.30
Can't make the event but still want to show your support? Register as a Virtual Runner! This registration includes a Tshirt and Finisher's Medal! Everything will be mailed to you before race day! Your virtual event can be completed at your convenience....race anywhere at anytime!! Submission of your results is not required. -
Short Course Duathlon
Incl. $6.10 Fee & T-Shirt
Sun 26th July 2026 (7:30AM CDT)
$91.10
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)
Incl. $10.30 Fee & T-Shirt
Sun 26th July 2026 (7:30AM CDT)
$165.30
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.
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Smithville Lake Crow's Creek Park, Shelter 5, Smithville, 64089, MO, United States
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2026 Matt Mason "Cowboy UP" Triathlon/Duathlon
