Duathlon Race Calendar in Michigan, United States

Sep

12

Rhoades McKee Reeds Lake Triathlon 2026

East Grand Rapids, Michigan, United States

Triathlon Duathlon Aquabike Swimming

Sprint Triathlon Sprint Duathlon Sprint Aqua Bike Sprint Relay +1

Sep

06

Michigan Triathlon / Duathlon Championship

Detroit, Michigan, United States

Triathlon Duathlon Aquabike

Olympic Triathlon Sprint Triathlon Super Sprint Triathlon Duathlon +4

Aug

16

Race the Straits of Mackinac

Mackinaw City, Michigan, United States

Triathlon Duathlon Aquabike

Long Course Triathlon Sprint Triathlon Super Sprint Triathlon Duathlon +5

Jul

24

Tri Millennium

Walker, Michigan, United States

Triathlon Duathlon Aquabike

25.6K 3.2K 6.4K 29.9K +8

Jul

19

Indian River Kayak Bike Biathlon

Indian River, Michigan, United States

Duathlon

Indian River Kayak Bike Biathlon

Jul

18

TriWalloon

Walloon Lake, Michigan, United States

Triathlon Aquabike Duathlon

25.6K 25.7K Half-Marathon 29.9K +2

Jul

18

Cereal City Triathlon & Duathlon

Battle Creek, Michigan, United States

Triathlon Duathlon Wheelchair Running

Triathlon Duathlon Triathlon 2-person Relay (per person pricing) Triathlon 3-person Relay (per person pricing) +5

Jul

12

Grand Haven Triathlon

Grand Haven, Michigan, United States

Triathlon Duathlon Aquabike

Sprint Triathlon Olympic Triathlon Sprint Duathlon Olympic Duathlon +6

Jun

21

Motor City Triathlon

Detroit, Michigan, United States

Triathlon Duathlon Aquabike

Olympic Triathlon Sprint Triathlon Super Sprint Triathlon Duathlon +4

Jun

20

South Haven Triathlon

South Haven, Michigan, United States

Triathlon Aquabike Duathlon

25.8K Half-Marathon 25K +1

Jun

06

Grand Rapids Youth Duathlon

Ada, Michigan, United States

Duathlon

Youth Duathlon

May

24

Bear Lake Triathlon

North Muskegon, Michigan, United States

Triathlon Duathlon Aquabike

Sprint Triathlon Olympic Triathlon Sprint Duathlon Olympic Duathlon +6