Triathlon Calendar United States 2025-2026

Oct

3

Saturday

Castle Creek Triathlon

Morristown, Arizona

Triathlon

Take on Castle Creek at Lake Pleasant with sprint and Olympic triathlon plus duathlon, aquabike and kayak SUP options. Enjoy scenic lakefront courses, a finisher medal, long sleeve hoodie and post race refreshments for a rewarding day.

Oct

3

Saturday

Wild Driftless Adventure Race

Strawberry Point, Iowa

Multisport

Race through Iowa's Driftless Region this October at Wild Driftless held at Camp Ewalu near Strawberry Point. Solo racers and teams tackle trekking, gravel and single track biking and paddling plus tasks and an optional ropes section.

Oct

4

Sunday

Ironman 70.3 Waco

Waco, Texas

Triathlon

Oct

10

Saturday

Pleasants Landing Triathlon

Bumpass, Virginia

Triathlon

Race at scenic Pleasants Landing on Lake Anna with Olympic and Sprint distances plus relay and aquabike options. Time trial swims, rolling bike loops and a lakeside finish make for a fast, fun day.

Oct

10

Saturday

Cedar Creek Fall Duathlon

Seaford, New York

Duathlon

Push your limits at the Cedar Creek Fall Duathlon in Seaford's Cedar Creek Park, a fast run bike run course perfect for racers and relay teams. Choose individual, relay, youth or virtual entries and enjoy a friendly fall race atmosphere.

Oct

10-11

Sa - Su

Fall Foliage Adventure Race

Harpers Ferry, West Virginia

Multisport

Aug

1

Wednesday

Pickle Events Triathlon

St. Cloud, Minnesota

Triathlon

Jump into summer with the Pickle Events Tri in St. Cloud at Island Lake Park on August 1, 2029. Choose a Sprint or Olympic course or team up in a relay for a fun swim, bike and run challenge.

Dec

31

Saturday

Arsenal Triathlon

Stafford, Virginia

Triathlon