Triathlon Race Calendar in United States

Sep

07

Blackland Triathlon and Blackland Youth Tri

Plano, Texas, United States

$45.00 - $200.00

Triathlon Duathlon Aquabike Swimrun

Blackland Triathlon Training Program Try a Tri Distance Sprint Triathlon Sprint Tri - Athena/Clydesdale +11

Sep

09

Brick Endurance Summer Triathlon Series #4

Durham, North Carolina, United States

$75.00

Triathlon

Half-Marathon

Sep

10

Old Forge Marathon Weekend - Ultra, Marathon, Half Marathon, 10K, 5K, Kayak, Bike

Old Forge, New York, United States

$40.00 - $275.00

Running Triathlon Paddle sports Trail running Gravel biking

Ultra 5K 31.1K Half-Marathon +20

Sep

11

Smith Mountain Lake Ultra Triathlon

Huddleston, Virginia, United States

$349.00 - $499.00

Triathlon Aquabike Duathlon Trail running

Ultra +5

Sep

12

2026 San Diego Tri Classic & San Diego 5K

San Diego, California, United States

$43.00

Running

5K

Sep

12

Patriots Triathlon

Williamsburg, Virginia, United States

$154.00 - $214.00

Triathlon Aquabike

Patriots Olympic Triathlon (Individual) Patriots Olympic Aquabike (Individual) Patriots Olympic Triathlon Relay Patriots Sprint Triathlon (Individual) +2

Sep

12

2026 Lake Nighthorse Triathlon - Sprint and Olympic

Durango, Colorado, United States

$105.00 - $150.00

Triathlon

25.8K Ultra +1

Sep

12

Pumpkinman Triathlon Festival

South Berwick, Maine, United States

$185.00 - $299.00

Triathlon Aquabike

Sprint Triathlon Individual Sprint Triathlon Relay Olympic Triathlon Individual Olympic Triathlon Relay +1

Sep

12

2026 Dave Parcells Madison Triathlon

Madison, Connecticut, United States

Free - $200.00

Triathlon Aquabike

26.6K 20.1K 26.1K +5

Sep

12

Brett Robinson Alabama Coastal Triathlon

Gulf Shores, Alabama, United States

$79.00 - $209.00

Triathlon Running

Sprint - Individual Sprint Triathlon - 2 Person Relay Sprint Triathlon - 3 Person Relay Olympic - Individual +3

Sep

12

Buchanan Tri

Buchanan, Virginia, United States

$100.00

Triathlon

32.2K

Sep

12

Belews Lake Olympic Triathlon

Stokesdale, North Carolina, United States

$45.00 - $125.00

Triathlon Duathlon Aquabike Running

Ultra 44.9K +7