Triathlon Race Calendar in United States

NextGen Triathlon Club

League City, Texas, United States

14 Jun, 2026 (Sun) – 13 Sep, 2026

$335.00

Triathlon

NextGen Training - 2026

Hudson Valley Triathlon Club Summer Tri Series

Mount Tremper, New York, United States

17 Jun, 2026 (Wed) – 12 Aug, 2026

$99.00 - $299.00

Triathlon, Aquabike

22.5K 19.3K +6

Brick Endurance Summer Triathlon Series #2

Durham, North Carolina, United States

17 Jun, 2026 (Wed)

$60.00

Triathlon

Half-Marathon

Lake Terramuggus Sprint Triathlon #1

Marlborough, Connecticut, United States

18 Jun, 2026 (Thu)

$35.00 - $65.00

Triathlon

23.1K 11.8K 18.2K

Geneva Mixed Team Relay presented by Red Jacket Orchards

Geneva, New York, United States

19 Jun, 2026 (Fri)

$60.00 - $240.00

Triathlon

12.9K

ConcreteMan & ConcreteKids Triathlon

Rogersville, Missouri, United States

19 Jun, 2026 (Fri) – 20 Jun, 2026

$55.00 - $120.00

Triathlon

24K 48.5K 13.1K

2026 Cal Tri Castaic Lake - 6.20.26

Castaic, California, United States

20 Jun, 2026 (Sat)

Free - $53.86

Triathlon, Running

5K 10K

River Trail Adventure Triathlon

Lowell, Michigan, United States

20 Jun, 2026 (Sat)

$55.00 - $105.00

Triathlon

16.1K 33.8K

Heart O' Dixie Triathlon

Louisville, Mississippi, United States

20 Jun, 2026 (Sat)

Free - $180.00

Triathlon

Ultra

Big Mack Sprint Triathlon

Burlington, North Carolina, United States

20 Jun, 2026 (Sat)

$40.00 - $130.00

Triathlon, Duathlon, Aquabike, Running

29.1K 31.5K 24.1K 31.7K +6

Pat Griskus Olympic, Du, Sprint Triathlon

Middlebury, Connecticut, United States

20 Jun, 2026 (Sat)

Triathlon, Duathlon, Aquabike

Ultra 22.7K 40.2K +2

Tremont Triathlon

Tremont, Illinois, United States

20 Jun, 2026 (Sat)

$90.00

Triathlon

5K