2027 Matt Mason "Cowboy UP" Triathlon/Duathlon 2027
- Date
- Sunday, August 1, 2027
- Start time
- 7:00 AM start (Chicago)
- Location
- Smithville, Missouri
- Entry fee
- From $85 · goes up to $115 on Feb 1, 2027
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Registration is open.
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Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Long Course (Individual) | Half Iron TriathlonSwim 1,000 m · Bike 18.8 mi · Run 6.2 miOpen water swim | Aug 1, 20277:00 AM | $100$115 after Feb 1, 2027 | 119 |
| Long Course (Relay Team of 2-3 participants) | Kids TriathlonSwim 1,000 m · Bike 18.8 mi · Run 6.2 miRelay or teamOpen water swim | Aug 1, 20277:00 AM | $185 | 35 |
| Short Course Duathlon | DuathlonRun 1.5 mi · Bike 11 mi · Run 3.1 miOpen water swim | Aug 1, 20277:00 AM | $85$95 after Feb 1, 2027 | – |
| Short Course Duathlon (Relay Team of 2-3 participants) | DuathlonRun 1.5 mi · Bike 11 mi · Run 3.1 miRelay or teamOpen water swim | Aug 1, 20277:00 AM | $155 | – |
| Short Course (Individual) | Sprint TriathlonSwim 500 m · Bike 11 mi · Run 3.1 miOpen water swim | Aug 1, 20277:00 AM | $90$100 after Feb 1, 2027 | 315 |
| Short Course (Relay Team of 2-3 participants)) | Kids TriathlonSwim 500 m · Bike 11 mi · Run 3.1 miRelay or teamOpen water swim | Aug 1, 20277:00 AM | $155 | 55 |
| Virtual Runner (Anyone, Anywhere, Anytime)Virtual | – | Aug 1, 20277:00 AM | $55 | 32 |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Half Iron Triathlon fee goes up to $115 on Feb 1, 2027.
Race day planning
Entry fee schedule
- Long Course (Individual): $100 until Feb 1, then $115 until May 1, then $125 until Jul 1, then $135 until Jul 31.
- Long Course (Relay Team of 2-3 participants): $185 until Jul 31.
- Short Course Duathlon: $85 until Feb 1, then $95 until May 1, then $105 until Jul 1, then $115 until Jul 31.
- Short Course Duathlon (Relay Team of 2-3 participants): $155 until Jul 31.
Online registration closes Jul 31, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 6:17 AM, and the Long Course (Individual) starts at 7:00 AM.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
Smithville Lake Crow's Creek Park, Smithville, MO 64089
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Race details
- Where
- Smithville Lake Crow's Creek Park, Smithville, MO 64089Map
- Course
- Road
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- Kids Triathlon, Sprint Triathlon, Half Iron Triathlon, Duathlon
- Editions
- 2027 (Aug 1, 2027), 2026 (Jul 26, 2026), 2025 (Jul 27, 2025), 2024 (Aug 4, 2024), 2023 (Aug 6, 2023)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is 2027 Matt Mason "Cowboy UP" Triathlon/Duathlon?
- Sunday, August 1, 2027, starting at 7:00 AM.
- How much does it cost?
- Entry starts at $85 before processing fees, and rises to $115 on Feb 1, 2027.
- When does registration close?
- Online registration closes Jul 31, 2027, unless the race fills first.
- Do athletes get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances are offered?
- Kids Triathlon, Sprint Triathlon, Half Iron Triathlon, Duathlon.
- Where does it start?
- Smithville Lake Crow's Creek Park, Smithville, MO 64089.
From the organizers
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).