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Upcoming Triathlons in Michigan

Ann Arbor YMCA - Y Tri

Ann Arbor, MI

March 22, 2026

Super Sprint

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Shi-Tri

Owosso, MI

May 17, 2026

Dry Tri

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USA Triathlon Multisport National Championships Festival

South Haven, MI

May 17, 2026

OlympicSuper SprintDuathlonAquabikeAquathlon

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Bear Lake Triathlon

North Muskegon, MI

May 24, 2026

OlympicSprintDuathlon

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Tri Greenville Triathlon & Duathlon

Greenville, MI

May 30, 2026

SprintDuathlonYouth

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Epic Races' Island Lake Triathlon, Duathlon, Aquabike

Brighton, MI

June 6, 2026

OlympicSprintSuper SprintDuathlonAquabike

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Grand Rapids Triathlon

Ada, MI

June 7, 2026

Half IronOlympicSprint

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IncredibleBank Hope Starts Here Challenge

Marquette, MI

June 13, 2026

Duathlon

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Au Sable Valley Triathlon

Mio, MI

June 13, 2026

Dry Tri

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M22 Challenge

Empire, MI

June 13, 2026

Dry Tri

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First Try Triathlon

Linden, MI

June 20, 2026

Super SprintYouth

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River Trail Adventure Triathlon

Lowell, MI

June 20, 2026

Dry Tri

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South Haven Triathlon

South Haven, MI

June 20, 2026

SprintAquabikeDuathlon

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Motor City Triathlon

Detroit, MI

June 21, 2026

OlympicSprintAquabikeSuper Sprint

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Tri Goddess Triathlon

Grass Lake, MI

June 27, 2026

SprintSuper SprintDuathlonAquabike

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Ann Arbor Tri, Du, & Aquabike

Gregory, MI

July 11, 2026

SprintDuathlonAquabikeOlympic

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Grand Haven Triathlon

Grand Haven, MI

July 12, 2026

OlympicSprintDuathlon

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Cereal City Triathlon & Duathlon

Battle Creek, MI

July 18, 2026

SprintSuper SprintDuathlon

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TriWalloon

Walloon Lake, MI

July 18, 2026

SprintDuathlonAquabike

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Tri-Kids-Try Youth Triathlon

Midland, MI

July 18, 2026

Youth

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TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event

Middleville, MI

July 19, 2026

OlympicSprintSuper Sprint

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TriMillennium

Walker, MI

July 24, 2026

OlympicSprintDuathlonAquabikeYouth

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Detroit Triathlon

Detroit, MI

July 26, 2026

OlympicSprint

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Tamarac Tri

Fremont, MI

August 15, 2026

Sprint

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Chesaning Chamber of Commerce Dry-Tri

Chesaning, MI

August 15, 2026

Dry Tri

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Race the Straits of Mackinac

Mackinaw City, MI

August 16, 2026

OlympicSprintSuper SprintDuathlonAquabike

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Michigan Titanium

Grand Rapids, MI

August 16, 2026

Full IronHalf IronOlympic

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Barron Lake Triathlon

Niles, MI

August 22, 2026

SprintYouth

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Capital City Kids Triathlon

Lansing, MI

August 22, 2026

Youth

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MI Triathlon / Duathlon Championship

Detroit, MI

September 6, 2026

OlympicSprintDuathlonAquabike

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Rhoades McKee Reeds Lake Triathlon 2026

East Grand Rapids, MI

September 12, 2026

SprintDuathlonAquabike

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Dragon Trails Triathlon (Sprint)

Lake Orion, MI

September 13, 2026

Sprint

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Last TRI

Shelby Township, MI

September 20, 2026

OlympicSprintSuper SprintDuathlonAquabike

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The Dirty Mitten Gravel Triathlon

Middleville, MI

September 20, 2026

HalfOlympicSprintDuathlonAquabike

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IRONMAN 70.3 Michigan

Frankfurt, MI

September 20, 2026

Half Iron

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Grand River Color Tour Triathlon

Eaton Rapids, MI

October 3, 2026

Dry Tri

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Gaylord All Outdoors Tri 45 Winter Triathlon

Gaylord, MI

March 6, 2027

Dry Tri

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Finding the Right Michigan Triathlon

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