Triathlon Calendar United States 2025-2026

Sep

7

Sunday

CajunMan Triathlon

Lafayette, Louisiana

Triathlon

The CajunMan Triathlon, held in Lafayette, Louisiana, is a celebrated endurance event featuring multiple race formats including triathlon, duathlon, aquabike, aquathlon, and a 5K run/walk. The triathl..

Sep

7

Sunday

Square Lake Sprint

Stillwater, Minnesota

Triathlon

The Square Lake Sprint Triathlon, held at Square Lake Park in Stillwater, Minnesota, is the final race in a weekend-long series and the concluding event of the 3-race Sprint Triathlon Series. This spr..

Sep

7

Sunday

Ironman Wisconsin

Madison, Wisconsin

Triathlon

IRONMAN Wisconsin is a prestigious triathlon held in Madison, Wisconsin, known as a rite of passage in the triathlon community. The race features a 140.6-mile course including a lake swim, a hilly and..

Sep

7

Sunday

Ironman 70.3 Santa Cruz

Santa Cruz, California

Triathlon

IRONMAN 70.3 Santa Cruz is a scenic triathlon event held in Santa Cruz, California, known for its laid-back "Surf City" beach culture. The race features a 1.2-mile swim in the Pacific Ocean around the..

Sep

7

Sunday

Mighty Hamptons Steve Tarpinian Memorial Olympic Distance Triathlon

Sag Harbor, New York

Triathlon

The Mighty Hamptons Steve Tarpinian Memorial Olympic Distance Triathlon, held at Foster Memorial Town Beach in Sag Harbor, NY, is a prestigious event featuring a 1.5K swim in Noyac Bay, a scenic rolli..

Sep

7

Sunday

Rev3 Back Bay

Snow Hill, Maryland

Triathlon

Rev3 Back Bay is a sprint triathlon event held in Snow Hill, Maryland, at Public Landing. The race features a flat and fast course with a 0.5-mile swim starting in the water at the beach, a 15.5-mile..

Sep

7

Sunday

Title 9 Women's Triathlon

Hopkinton, Massachusetts

Triathlon

The Title 9 Women's Triathlon, held in Hopkinton, Massachusetts, is a premier women's triathlon event in the Northeast region. The race features a capped field of 650 participants, ensuring a small, i..

Sep

7

Sunday

Dragon Trails Triathlon

Lake Orion, Michigan

Triathlon

The Dragon Trails Triathlon (Sprint) is a scenic and rugged sprint triathlon held in Lake Orion, Michigan. The course features a 0.75K (0.46 mile) freshwater swim in Tommy’s Lake, followed by a 20K (1..

Sep

7

Sunday

Reston Triathlon

Herndon, Virginia

Triathlon

The Reston Triathlon, held annually in Reston, Virginia, is a well-established Olympic-distance event featuring a 1500-meter open water swim in Lake Audubon, a 25-mile bike ride, and a 10K run on loca..

Sep

7

Sunday

myTeam Triumph Triathlon

Westport, Connecticut

Triathlon

The myTeam Triumph Westport Triathlon, held at Compo Beach in Westport, CT, is a family-friendly event open to participants aged 8 and up. The race features a 0.5-mile swim, a 5.5-mile bike ride, and..

Sep

7

Sunday

Bootlegger Triathlon

Dawsonville, Georgia

Triathlon

The Bootlegger Triathlon, held in Dawsonville, Georgia at Veterans Memorial Park, is a family-friendly event marking the end of the triathlon season. Scheduled for September 7, 2025, it features a Sup..

Sep

7

Sunday

DeGray Lake Triathlon

Caddo Valley, Arkansas

Triathlon

The DeGray Lake Triathlon, held near Caddo Valley, Arkansas, is a celebrated multisport event set against the scenic backdrop of DeGray Lake and the Ouachita Mountains. Scheduled for September 7, 2025..

Sep

7

Sunday

Texas State Sprint Triathlon

San Marcos, Texas

Triathlon

The Texas State Sprint Triathlon, held in San Marcos, Texas, is one of Central Texas's oldest and most classic triathlons, organized by the Texas State Triathlon Club since 1997. The event takes place..

Sep

7

Sunday

Rose City Triathlon

Whitehouse, Texas

Triathlon

The CHRISTUS Trinity Mother Frances Rose City Triathlon is an annual sprint triathlon held at The Boulders at Lake Tyler in Whitehouse, Texas. This event features individual and relay triathlon races..

Sep

7

Sunday

Warrington Sprint Tri/Du/Aqua

Warrington, Pennsylvania

Triathlon

The marshall FINANCIAL GROUP Warrington Sprint Tri/Du/Aqua is a USAT-sanctioned multisport event held in Warrington, PA, starting and finishing at the Mary Barness Community Pool. Scheduled for Septem..

Sep

10

Wednesday

Brick Endurance Summer Triathlon Series

Durham, North Carolina

Triathlon

The Brick Endurance Summer Triathlon Series is a sprint triathlon held at Rolling View State Park in Durham, North Carolina. The event features a 400-yard swim, an 11-mile flat and fast out-and-back b..

Sep

13

Saturday

Xterra Branson Mountain Man

Branson, Missouri

Triathlon

The XTERRA Branson Mountain Man is a challenging off-road triathlon held at Table Rock State Park in Branson, Missouri. The event features rugged courses utilizing the White River Valley Trail System,..

Sep

13

Saturday

Bear Lake Brawl Triathlon

Saint Charles, Idaho

Triathlon

The Bear Lake Brawl Triathlon takes place at Bear Lake State Park in St. Charles, Idaho, known for its stunningly blue waters, often called the Caribbean of the Rockies. The event offers multiple race..

Sep

13

Saturday

Belews Lake Triathlon

Stokesdale, North Carolina

Triathlon

The Belews Lake Olympic Triathlon, held at Carolina Marina in Stokesdale, NC, is a scenic early fall event featuring crystal-clear lake waters and a foothill backdrop. This Olympic distance race inclu..

Sep

13-14

Sa - Su

Toughman

Stony Point, New York

Triathlon

The 2025 Toughman event takes place at Lake Welch Beach in Stony Point, New York. This multi-day competition features a variety of endurance races including the Toughman Long Course Triathlon National..