Triathlon Race Calendar in Missouri, United States

The Great Escape Triathlon

Jefferson City, Missouri, United States

13 Jun, 2026 (Sat) – 14 Jun, 2026

$45.00 - $115.00

Triathlon, Duathlon

1.8K 8.2K 11.1K 24.8K +2

ConcreteMan & ConcreteKids Triathlon

Rogersville, Missouri, United States

19 Jun, 2026 (Fri) – 20 Jun, 2026

$55.00 - $120.00

Triathlon

24K 48.5K 13.1K

Ballwin Triathlon

Ballwin, Missouri, United States

19 Jul, 2026 (Sun)

$70.00 - $80.00

Triathlon

Marathon Half-Marathon

2026 Matt Mason "Cowboy UP" Triathlon/Duathlon

Smithville, Missouri, United States

26 Jul, 2026 (Sun)

$105.00 - $185.00

Triathlon, Duathlon

23.2K 41.2K 25.7K +2

Thousand Oaks Kids Triathlon

Parkville, Missouri, United States

01 Aug, 2026 (Sat)

$25.00

Triathlon

Age 6-12 Triathlon Age 13-18 Triathlon

Ballwin Kids Triathlon

Ballwin, Missouri, United States

27 Sep, 2026 (Sun)

$42.50

Triathlon

3.2K 6.4K