Triathlon Race Calendar in United States

Santa Cruz Triathlon

Santa Cruz, California, United States

Sep 27, 2026 (Sun)

$125.00 - $230.00

Triathlon, Aquabike, Swimrun

49.9K 24.1K 40.2K 6.4K +2

South Padre Island Triathlon

South Padre Island, Texas, United States

Sep 27, 2026 (Sun)

$105.00 - $155.00

Triathlon

25.7K Ultra

Tri to Inspire

Santa Rosa, California, United States

Sep 27, 2026 (Sun)

$45.00 - $170.00

Triathlon

19.8K 6.6K +4

Sgrail Marin - Triathlon & Trail Half Marathon

San Rafael, California, United States

Oct 2, 2026 (Fri) – Oct 4, 2026

Free - $315.00

Triathlon, Running, Trail running

Kids "Fun" Event Ultra Half-Marathon +1

Idaho High Mountain Triathlon

Yellow Pine, Idaho, United States

Oct 3, 2026 (Sat)

$100.00 - $225.00

Triathlon

Ultra +1

Waterman's Triathlon Festival

Rock Hall, Maryland, United States

Oct 3, 2026 (Sat) – Oct 4, 2026

Triathlon

Baltimore Triathlon Festival

Chase, Maryland, United States

Oct 3, 2026 (Sat) – Oct 4, 2026

$100.00 - $120.00

Triathlon, Aquabike, Duathlon

28.2K 23.2K 29K +5

The Great River Challenge, Off-road Triathlon

Northfield, Massachusetts, United States

Oct 3, 2026 (Sat)

$49.50 - $198.00

Triathlon

26.6K 18.1K +11

TRI-It Racing Clubs Du Kona Multi-sport Series

Guthrie, Oklahoma, United States

Oct 3, 2026 (Sat)

Free - $120.00

Triathlon, Duathlon

34.3K 11.4K 35.4K 9.8K +1

Nat Greene's Revenge Triathlons and Duathlon

Greensboro, North Carolina, United States

Oct 3, 2026 (Sat)

$45.00 - $120.00

Triathlon, Aquabike, Duathlon, Running

26.2K Half-Marathon 28.6K 27.7K +10

Fall Foliage Offroad Tri

Front Royal, Virginia, United States

Oct 3, 2026 (Sat)

Triathlon

24.1K

6th Annual Grand River Color Tour Triathlon

Eaton Rapids, Michigan, United States

Oct 3, 2026 (Sat)

Free - $60.00

Triathlon, Running

2K 5K