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Upcoming Triathlons in Idaho

Find 18 upcoming events across the state

Treasure Valley Triathlon
Triathlon
Price rises in 7 days

Treasure Valley Triathlon

Boise, ID
June 6, 2026
OlympicSprintSuper SprintYouth
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Blackfoot Kicker Multisport Event
Triathlon

Blackfoot Kicker Multisport Event

Blackfoot, ID
June 13, 2026
OlympicSprintDuathlon
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Mary Lou Triathlon
Triathlon

Mary Lou Triathlon

Weippe, ID
June 14, 2026
Sprint
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IRONMAN 70.3 Coeur d'Alene
Triathlon

IRONMAN 70.3 Coeur d'Alene

Couer d'Alene, ID
June 21, 2026
Half Iron
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Hayden Sprint Triathlon
Triathlon
Price rises in 3 days

Hayden Sprint Triathlon

Hayden, ID
July 11, 2026
Sprint
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Rigby Lake Rumble Triathlon
Triathlon

Rigby Lake Rumble Triathlon

Rigby, ID
July 11, 2026
OlympicSprintYouth
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Littlefoot Triathlon - CDA
Triathlon

Littlefoot Triathlon - CDA

Coeur D Alene, ID
July 25, 2026
Super Sprint
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Post Falls Triathlon/Duathlon
Triathlon
Price rises in 66 days

Post Falls Triathlon/Duathlon

Post Falls, ID
August 2, 2026
SprintDuathlon
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Coeur D'Alene Triathlon
Triathlon

Coeur D'Alene Triathlon

Coeur D'Alene, ID
August 8, 2026
OlympicSprintDuathlon
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The Great Snake River Triathlon
Triathlon

The Great Snake River Triathlon

Idaho Falls, ID
August 15, 2026
OlympicSprint
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Wild River Dash
Triathlon
Price rises in 32 days

Wild River Dash

Boise, ID
August 22, 2026
Dry Tri
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PEAK 7B Youth Triathlon
Triathlon
Price rises in 3 days

PEAK 7B Youth Triathlon

Sandpoint, ID
August 28, 2026
Youth
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Priest Lake Triathlon
Triathlon
Price rises in 96 days

Priest Lake Triathlon

Priest Lake, ID
August 30, 2026
Sprint
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Jen McKenna Paddle and Run 6.0
Triathlon
Price rises in 3 days

Jen McKenna Paddle and Run 6.0

Coeur d'Alene, ID
September 12, 2026
Dry Tri
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Palouse Sprint Triathlon and Duathlon
Triathlon

Palouse Sprint Triathlon and Duathlon

Moscow, ID
September 12, 2026
Sprint
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Tobin Bolter Memorial Kids' Duathlon
Triathlon

Tobin Bolter Memorial Kids' Duathlon

Garden City, ID
September 12, 2026
Youth
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Bear Lake Brawl Triathlon
Triathlon
Price rises in 47 days

Bear Lake Brawl Triathlon

St Charles, ID
September 19, 2026
Full IronHalf IronOlympicSprintAquathlonAquabikeDuathlon
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Idaho High Mountain Triathlon
Triathlon
Price rises in 56 days

Idaho High Mountain Triathlon

Yellow Pine, ID
October 3, 2026
Sprint
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Finding the Right Idaho Triathlon

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