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Upcoming Triathlons in Missouri

Find 17 upcoming events across the state

Warehouse 660 TriFAHL (Tri For A Healthy Life) 2026
Triathlon

Warehouse 660 TriFAHL (Tri For A Healthy Life) 2026

Kirksville, MO
May 2, 2026
Sprint
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OMC Duathlon Series
Triathlon
Price rises in 14 days

OMC Duathlon Series

Springfield, MO
May 12, 2026
Duathlon
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C26 Kansas City Triathlon
Triathlon
Price rises in 2 days

C26 Kansas City Triathlon

Kansas City, MO
May 17, 2026
OlympicSprintDuathlon
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Innsbrook Triathlon
Triathlon
Price rises in 33 days

Innsbrook Triathlon

Wright City, MO
June 6, 2026
OlympicSprintAquabike
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Innsbrook Kids Triathlon
Triathlon
Price rises in 33 days

Innsbrook Kids Triathlon

Wright City, MO
June 7, 2026
Youth
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The Great Escape Triathlon
Triathlon
Price rises in 20 days

The Great Escape Triathlon

Jefferson City, MO
June 13, 2026
SprintSuper SprintDuathlon
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ConcreteMan & ConcreteKids Triathlon
Triathlon
Price rises in 5 days

ConcreteMan & ConcreteKids Triathlon

Fair Grove, MO
June 19, 2026
OlympicSprintRelayYouth
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Chesterfield Youth Triathlon
Triathlon
Price rises in 3 days

Chesterfield Youth Triathlon

Chesterfield, MO
June 20, 2026
Youth
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St. Louis Triathlon
Triathlon
Price rises in 42 days

St. Louis Triathlon

Saint Louis, MO
June 28, 2026
OlympicSprintAquabikeDuathlonParatriathlon
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St. Luke's New Town Triathlon
Triathlon
Price rises in 74 days

St. Luke's New Town Triathlon

St. Charles, MO
July 11, 2026
OlympicSprintYouth
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Ballwin Triathlon
Triathlon
Price rises in 33 days

Ballwin Triathlon

Ballwin, MO
July 19, 2026
Sprint
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Tour de Kirkwood Triathlon
Triathlon
Price rises in 89 days

Tour de Kirkwood Triathlon

Saint Louis, MO
July 26, 2026
Sprint
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Matt Mason "Cowboy UP" Triathlon/Duathlon
Triathlon
Price rises in 3 days

Matt Mason "Cowboy UP" Triathlon/Duathlon

Smithville, MO
July 26, 2026
OlympicSprint
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The Inkwell Clayton Kids Triathlon
Triathlon
Price rises in 110 days

The Inkwell Clayton Kids Triathlon

Saint Louis, MO
August 16, 2026
Youth
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Pat Jones YMCA Tri at the Y
Triathlon
Price rises in 82 days

Pat Jones YMCA Tri at the Y

Springfield, MO
August 22, 2026
Sprint
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370 Lakeside Triathlon
Triathlon
Price rises in 73 days

370 Lakeside Triathlon

St. Peter, MO
August 23, 2026
Half IronOlympicSprintSuper Sprint
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Ballwin Kids Triathlon
Triathlon
Price rises in 108 days

Ballwin Kids Triathlon

Ballwin, MO
September 27, 2026
Youth
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Finding the Right Missouri Triathlon

Whether you are looking for a beginner-friendly Sprint in Missouri or a challenging 70.3, Let's Race provides the most up-to-date calendar for triathletes. Our Missouri list is updated daily to include Ironman, Olympic, and local club races.