Missouri
Missouri Triathlon Calendar 2025-2026
Explore the best triathlons in Missouri for 2025-2026! Our updated list features 11 exciting races across the region. Find your next race in Missouri below and join the running community at these great events!
May 2025
The Warehouse 660 TriFAHL (Tri For A Healthy Life) 2025 is a welcoming triathlon event designed for participants of all athletic abilities. Set in Kirksville, Missouri, this short-distance race featur..
The Kansas City Triathlon is a premier triathlon event taking place in Kansas City, MO, featuring a variety of race formats including Olympic and Sprint Triathlons, a Sprint Duathlon, and a Relay opti..
June 2025
The Great Escape Triathlon, taking place on June 7-8, 2025, in Jefferson City, Missouri, offers a variety of events suitable for all ages and skill levels. Participants can choose from the Super Sprin..
The Innsbrook Triathlon, set in the scenic Innsbrook Resort near St. Louis, offers a variety of competitive events including Sprint and Olympic distances, Aqua bike, and relay options. Participants ca..
The ConcreteMan & ConcreteKids Triathlon is a celebrated annual event taking place in Rogersville, Missouri, known as the oldest triathlon in the state. Scheduled for June 27-28, 2025, this event feat..
The St. Louis Triathlon, scheduled for June 29, 2025, is a premier multi-sport event held at Creve Coeur Park in Maryland Heights, Missouri. This exciting triathlon features a variety of race formats,..
July 2025
The Ballwin Triathlon, hosted by MSE Racing in partnership with the City of Ballwin, is a popular annual event that will take place on July 20, 2025. This USAT-sanctioned triathlon features a 300-yard..
The Republic Tiger Tri 2024 is a multi-sport event taking place in Republic, Missouri, from July 25 to July 26, 2025. The event features a variety of competitions, including a Sprint Triathlon, Super..
The 2025 Matt Mason "Cowboy UP" Triathlon/Duathlon, taking place in Smithville, MO, is a tribute event honoring those who have made sacrifices for their country. Participants can choose from various f..
August 2025
The 370 Lakeside Triathlon, taking place in Saint Peters, MO, offers a diverse range of events for participants of all skill levels. Scheduled for August 17, 2025, this USAT sanctioned triathlon featu..
September 2025
The XTERRA Branson Mountain Man Off-Road Triathlon is an exciting event set in the scenic Table Rock State Park in Branson, Missouri. Scheduled for September 13, 2025, this challenging triathlon featu..
