
From the Organizer
The Midwest Triathlon Series brings together three of the region’s most respected and athlete-favorite events for a true test of consistency, grit, and endurance. Held over three consecutive weekends, the series challenges athletes to race back-to-back-to-back while experiencing the best multisport venues the Midwest has to offer.
The series includes:
Matt Mason Memorial Cowboy Up Triathlon on Sunday, July 26th
Shawnee Mission Triathlon & Duathlon on Sunday, August 2nd
Kill Creek Park Triathlon, Duathlon, Aquabike, & Aquathlon on Saturday, August 8th
*To be eligible for the Midwest Triathlon Series, participants must be registered for all three races within the series.
Designed for both seasoned competitors and motivated first-timers, the Midwest Triathlon Series rewards athletes who show up, dig deep, and race strong weekend after weekend. Complete all three events to earn series recognition and exclusive series swag while becoming part of a community that celebrates perseverance, sportsmanship, and Midwest pride.
Race three weekends. One series. Endless bragging rights.
Registration Note:
Athletes participating in the series must register for each race individually. Registration for the series does not include entry into the individual races, and athletes are responsible for completing separate registrations for all series events.
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
91°
Typical Low
72°
Chance of Rain
25%
Based on US Climate Normals data from Kansas City Downtown Ap, 9 mi from the venue.
Host City
Population
68,175
as of 2023
Elevation
1,066 ft
Nearest Airport
MCI
Kansas City International Airport · 18 mi
Time Zone
Central Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Midwest Triathlon Series, put it on the calendar, and turn “someday” into a start date.
48
Days to train
Coming Up
TRI913 Youth Triathlon CAMP
6 miles away
The Great Escape Triathlon
140 miles away
2026 Matt Mason "Cowboy UP" Triathlon/Duathlon
26 miles away
Time to TRI - Shawnee Mission Triathlon & Duathlon CLINIC
6 miles away
From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.
Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.
Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think.
Frequently Asked Questions (FAQs)
Midwest Triathlon Series
Jul 26, 2026