Texas City Triathlon, Duathlon & Aquabike — September 18, 2027
Aerial view of Texas City Dike and Rainbow Park Aerial view of the end of Texas City Dike Athletes entering the water at the swim start Runner racing beneath dramatic clouds Athlete running through Rainbow Park Cyclist racing on the Texas City course Finisher celebrating at the line Aerial view along the Texas City Dike course Athlete entering the bike course Cyclist leaving transition Athlete running through transition Swimmers entering Galveston Bay Open-water swimmers rounding a buoy Open-water swimmers rounding a buoy Runner crossing a bridge over the wetlands Aerial view of the Rainbow Park run course Runner passing trees in Rainbow Park Swimmers entering Galveston Bay Runners crossing a park bridge Aerial view along the Texas City Dike course Aerial view of transition beside the dike Athlete entering the bike course Swimmers lined up on the beach Athlete running through Rainbow Park Swim start gathering beside Galveston Bay Runner racing beneath dramatic clouds Finisher celebrating at the line Cyclist smiling on the race course Cyclists racing through the bike course Cyclist racing on the Texas City course Aerial view of the end of Texas City Dike
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Race the Texas Coast.

Triathlon · Duathlon · Aquabike

A welcoming coastal race for first-time multisport athletes and experienced competitors, with a fast course and expansive Galveston Bay views.

Reg Opens Jan 1Choose your race
Saturday, September 18, 2027Texas City Dike & Rainbow Park · Texas City, Texas
Race morning begins in
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From all of us at Texas City Tri—thank you.Celebrate every athlete, volunteer and sponsor who made 2026 possible.
2026 Results2026 Photos
Official race winners

Meet the 2026 champions.

Congratulations to our winners and every athlete who crossed a finish line in Texas City.

Something for everyone

THREE EVENTS TO CHOOSE FROM

Choose the race format that fits your interests, goals, and abilities.

Swimmers entering Galveston Bay at the Texas City Triathlon
Signature Event
Swim · Bike · Run

Triathlon

500 m swim · 15 mi bike · 3.1 mi run

Take on the complete multisport experience with an open-water swim, a fast coastal ride and a waterfront 5K finish.

  • Individual entry
  • Relay teams
  • Open-water swim
  • First-timer friendly
Explore the Triathlon
Duathlon athlete racing in Texas City
Run · Bike · Run

Duathlon

2 mi run · 15 mi bike · 3.1 mi run

Skip the swim, open with a two-mile run, ride the same fast coastal bike course and finish with the waterfront 5K.

  • Individual entry
  • Relay teams
  • No swimming
  • Two run legs
Explore the Duathlon
Aquabike athlete cycling on the Texas City Dike
Swim · Bike

Aquabike

500 m swim · 15 mi bike

Combine the open-water swim and coastal bike course without the run. Your official finish time is recorded at Bike-In.

  • Individual event
  • No relay division
  • No run leg
  • Finish at Bike-In
Explore the Aquabike
800AthletesLimited race field
500 MSwimShallow water and a sandy bottom
15 MIBikeFlat, fast and mostly closed
3.1 MIRunThrough the park to the finish
Aerial view of Texas City Dike and Rainbow Park on race day
Race Texas City
A coastal race with a big race-day feel

A big race with a true hometown feel.

The action stays close from the beach start to the Rainbow Park finish, with a course built to welcome first-timers and challenge experienced competitors.

01
Start beside Galveston Bay.A running beach start launches the Triathlon and Aquabike while the Duathlon begins nearby.
02
Ride the Texas City Dike.Long coastal stretches and expansive views define the 15-mile bike course.
03
Finish in Rainbow Park.Food, drinks, awards, volunteers and spectators come together at the finish celebration.
Explore race weekend
New on the bike course

Meet The Breakaway.

A timed one-mile sprint inside the bike course gives athletes a chance to go all out between the green START flag and checkered FINISH flag—and compete for Breakaway King and Queen honors.

Explore The Breakaway
Community powered

Made possible by Texas City.

Local support and title sponsorship help create a safe, memorable race weekend beside the water.

Host city
City of Texas City

About our host city, Texas City.Set on Galveston Bay between Houston and Galveston Island, Texas City pairs small-town warmth with expansive waterfront recreation. The city is home to the 5.3-mile Texas City Dike—the longest man-made fishing pier in the world—along with nearly 1,000 acres of parks, nature trails, athletic facilities and community spaces. That strong tradition of outdoor recreation and welcoming civic pride makes Texas City a distinctive home for race weekend.

Title sponsor
Houston Methodist Orthopedics & Sports Medicine

About our title sponsor, Houston Methodist.Your body is made to move. The specialists at Houston Methodist Orthopedics & Sports Medicine use the latest technology, perform minimally invasive procedures and develop customized treatment plans, including physical therapy, just for you. We are also proud to be the official health care provider for Houston's premier professional sports teams and fine arts organizations. We also serve hundreds of area high schools and youth teams.

Texas City Triathlon finish line in Rainbow Park
Saturday, September 18, 2027

Come race with us.

Bring your goals, your people and your best race-day energy. Registration opens January 1 and the field is limited to 800 athletes.

Reg Opens Jan 1Explore race weekend