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Get the appUnited States has 260 upcoming Duathlon events across distances like 0K, 1K, 2K, 3K, 4K, 5K, 6K, 8K, 10K, 11K, 12K, 14K, 15K, 16K, 17K, 19K, 20K, 21K, 22K, 23K, 24K, 25K, 26K, 27K, 28K, 29K, 30K, 31K, 32K, 37K, 38K, 40K, 41K, 42K, 43K, 45K, 48K, 49K, 50K, 51K, 52K, 55K, 58K, 65K, 68K, 74K, 92K, 111K, 113K, 158K, 184K, 222K, 226K, 368K, 445K, 453K. Recent additions include Smith Mountain Lake Ultra Triathlon, Bear Lake Brawl Triathlon, Tri the Parks - John Tanner Fall Sprint.
260 events
11
Smith Mountain Lake Ultra Triathlon
Fri, Sep 11, 2026Huddleston, United States
12
Bear Lake Brawl Triathlon
Sat, Sep 12, 2026Saint Charles, United States
12
Tri the Parks - John Tanner Fall Sprint
Sat, Sep 12, 2026Carrollton, United States
12
DQ Pine Barrens Olympic Triathlon, Duathlon, & Aquabike; Sprint Triathlon & Aquathlon
Sat, Sep 12, 2026Shamong, United States
12
Belews Lake Olympic Triathlon
Sat, Sep 12, 2026Stokesdale, United States
12
Tobin Bolter Memorial Kids' Duathlon
Sat, Sep 12, 2026Garden City, United States
12
2026 Palouse Sprint Triathlon and Duathlon
Sat, Sep 12, 2026Moscow, United States
12
Hyannis 2 Triathlon
Sat, Sep 12, 2026Centerville, United States
12
DQ Pine Barrens Olympic Triathlon, Duathlon, & Aquabike; Sprint Triathlon & Aquathlon
Sat, Sep 12, 2026Shamong, United States
12
TimberRidge Adventure Race
Sat, Sep 12, 2026Olathe, United States
12
Belews Lake Olympic Triathlon
Sat, Sep 12, 2026Stokesdale, United States
12
Tri the Parks - John Tanner Fall Sprint
Sat, Sep 12, 2026Carrollton, United States
12
Nettleden Duathlon
Sat, Sep 12, 2026Lodgepole, United States
12
Camp Tri
Sat, Sep 12, 2026Smyrna, United States
13
Rockaway Beach Triathlon/Duathlon
Sun, Sep 13, 2026Queensbury, United States
13
Lake Wenonah Tri/Aqua/Du
Sun, Sep 13, 2026Wenonah, United States
13
Classic City Sprint, Duathlon and Aquabike
Sun, Sep 13, 2026Athens, United States
13
Rev3 Back Bay
Sun, Sep 13, 2026Snow Hill, United States
13
The Zoom RedHawk Triathlon & Multisport Festival
Sun, Sep 13, 2026College Corner, United States
13
Pacific Coast Triathlon
Sun, Sep 13, 2026Laguna Beach, United States
13
Marshall FINANCIAL GROUP Warrington Sprint Tri/Du/Aqua
Sun, Sep 13, 2026Warrington, United States
13
Shaver Lake Mile High Triathlon
Sun, Sep 13, 2026Shaver Lake, United States
13
AdventHealth Cool Sommer Mornings Triathlon Duathlon 5K Series #4
Sun, Sep 13, 2026Commerce City, United States
13
Rev3 Back Bay
Sun, Sep 13, 2026Snow Hill, United States
13
Sri Chinmoy SBR-Mini Duathlon - Tockington
Sun, Sep 13, 2026Detroit, United States
13
Lake Wenonah Tri/Aqua/Du
Sun, Sep 13, 2026Wenonah, United States
19
She Tris Sprint Triathlon - Carnes Crossroads
Sat, Sep 19, 2026Summerville, United States
19
Texas City Triathlon, Duathlon, & Aquabike
Sat, Sep 19, 2026Texas City, United States
19
Winchester Lakeside Triathlons Presented by Highpoint Health – Winchester/Sewanee with Ascension Saint Thomas
Sat, Sep 19, 2026Winchester, United States
19
Finger Lakes Duathlon Watkins Glen
Sat, Sep 19, 2026Watkins Glen, United States