Duathlon Race Calendar in United States

Jul

26

Crescent City Triathlon

Crescent City, California, United States

Triathlon Duathlon

5K 1.6K +1

Jul

25

First Responders "Bring in the Backup" Triathlon

Northwood, Iowa, United States

Triathlon Aquabike Duathlon

First Responders "Bring in the Backup" Triathlon Relay - Sprint Triathlon Aquabike Duathlon

Jul

25

Shell Lake Sprint Triathlon/Duathlon

Shell Lake, Wisconsin, United States

Triathlon Duathlon

Shell Lake Lions Triathlon Shell Lake Lions Duathlon Shell Lake Lions Triathlon Relay Shell Lake Lions Duathlon Relay

Jul

25

Dragon Fly Triathlon & AquaBike

Sardis, Mississippi, United States

Triathlon Duathlon

26.5K Half-Marathon Ultra +6

Jul

19

Seafair Triathlon

Seattle, Washington, United States

Triathlon Duathlon

Sprint Triathlon Super Sprint Triathlon 3 Person Sprint Relay 2 Person Sprint Relay +3

Jul

19

Portland Kids Duathlon

Portland, Maine, United States

Cycling Duathlon

1.6K 2.4K 7.2K

Jul

19

APPLEMAN TRIATHLON/DUATHLON/AQUABIKE CHARITY RACE

Littleton, Massachusetts, United States

Triathlon Duathlon

22.5K 17.7K

Jul

19

Lake Lenape Tri/Aqua/Du

Mays Landing, New Jersey, United States

Triathlon Duathlon Aquabike Swimrun

23.1K 25.9K 18.1K 3.6K +2

Jul

19

Omaha Triathlon - Nebraska State Championships 2026

Omaha, Nebraska, United States

Triathlon Aquabike Duathlon

Ultra 25.8K 41.5K 5K +3

Jul

19

Cypress Sprint and Youth Triathlon

Cypress, Texas, United States

Running Swimrun Triathlon Duathlon

Pre-Race Clinic- 7/19 Doggie Du Youth Tri - Short Course Youth Triathlon - Long Course +5

Jul

19

Indian River Kayak Bike Biathlon

Indian River, Michigan, United States

Duathlon

Indian River Kayak Bike Biathlon

Jul

18

Martinsburg Sprint & Super Sprint

Martinsburg, West Virginia, United States

Triathlon Duathlon Aquabike

Super Sprint Triathlon Sprint Triathlon Duathlon (Sprint Distance) Aquabike (Sprint Distance) +2