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Get the appUnited States has 260 upcoming Duathlon events across distances like 0K, 2K, 5K, 6K, 7K, 9K, 10K, 11K, 13K, 14K, 16K, 17K, 18K, 19K, 20K, 21K, 22K, 23K, 24K, 25K, 26K, 27K, 28K, 29K, 30K, 32K, 34K, 35K, 37K, 39K, 40K, 41K, 42K, 45K, 47K, 48K, 49K, 50K, 52K, 55K. Recent additions include Ann Arbor Tri, Du, & Aquabike, La Porte Triathlon, 25th Hammerman Triathlons & Duathlon.
260 events
11
Ann Arbor Tri, Du, & Aquabike
Sat, Jul 11, 2026Pinckney, United States
11
La Porte Triathlon
Sat, Jul 11, 2026La Porte, United States
11
25th Hammerman Triathlons & Duathlon
Sat, Jul 11, 2026Anchorage, United States
11
Pagosa Duathlon
Sat, Jul 11, 2026Trinity Center, United States
11
Tri the Parks - Richard B Russell Sprint XL
Sat, Jul 11, 2026Elberton, United States
11
Tri the Parks - Richard B Russell Intermediate
Sat, Jul 11, 2026Elberton, United States
11
Run Duck Run 10K Duathlon
Sat, Jul 11, 2026Chapel Hill, United States
11
Seven Bends Adventure Race
Sat, Jul 11, 2026Woodstock, United States
12
Women's Philadelphia Triathlon
Sun, Jul 12, 2026Philadelphia, United States
12
TRILLIUM — A WOMEN'S ONLY EVENT
Sun, Jul 12, 2026Sylvania, United States
12
Game On! Palm Beaches Triathlon
Sun, Jul 12, 2026Sanger, United States
12
Rocky Gap Off-Road Triathlon, Duathlon, Aqua Bike, and Relay
Sun, Jul 12, 2026Flintstone, United States
12
Sunrise Triathlon OWS
Sun, Jul 12, 2026Shreveport, United States
12
2026 Lake Zurich Triathlon
Sun, Jul 12, 2026Lake Zurich, United States
12
HELENA OUTDOOR TRIATHLON (HOTri)
Sun, Jul 12, 2026Allen, United States
12
TRILLIUM — A WOMEN'S ONLY EVENT
Sun, Jul 12, 2026Sylvania, United States
12
Game On! Palm Beaches Triathlon
Sun, Jul 12, 2026Riviera Beach, United States
12
AdventHealth Cool Sommer Mornings Triathlon/Duathlon/5K Series #2
Sun, Jul 12, 2026Commerce City, United States
12
Rocky Gap Off-Road Triathlon, Duathlon, Aqua Bike, and Relay
Sun, Jul 12, 2026Flintstone, United States
12
Rocky Gap Off-Road Triathlon, Duathlon, Aqua Bike, and Relay
Sun, Jul 12, 2026Flintstone, United States
18
Cereal City Triathlon & Duathlon
Sat, Jul 18, 2026Battle Creek, United States
18
TriWalloon
Sat, Jul 18, 2026Walloon Lake, United States
18
Martinsburg Sprint & Super Sprint
Sat, Jul 18, 2026Martinsburg, United States
18
Duaman Duathlon 2026
Sat, Jul 18, 2026Clark, United States
18
TriWalloon
Sat, Jul 18, 2026Walloon Lake, United States
18
TRI-It Racing Clubs Territorial Triathlon Series
Sat, Jul 18, 2026Guthrie, United States
19
Lake Lenape Tri/Aqua/Du
Sun, Jul 19, 2026Mays Landing, United States
19
TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event
Sun, Jul 19, 2026Middleville, United States
19
Huntington Sprint, Olympic, and Half Iron Triathlon
Sun, Jul 19, 2026Huntington, United States
19
Appleman Triathlon/Duathlon/AquaBike
Sun, Jul 19, 2026Littleton, United States