Triathlon — Texas City Triathlon
Athletes entering Galveston Bay at the Texas City Triathlon swim start

Triathlon

The complete race

A coastal sprint tri with plenty of personality.

The course moves from Galveston Bay to the Texas City Dike and finishes in Rainbow Park. It is approachable for a first-timer, quick enough for experienced racers and scenic from start to finish.

Aerial view of athletes racing along the Texas City waterfront
Race morning in Texas City
Start together. Find your rhythm. Earn your finish.
Course & distances

Swim. Bike. Run.

Three approachable distances, three different course experiences and one finish-line celebration in Rainbow Park.

Swimmers running out of Galveston Bay
Leg one · Galveston Bay

Swim

500 meters

The race begins with a running beach start into Galveston Bay and a clearly marked open-water course.

  • Shin- to waist-deep water approaching the first buoy.
  • Approximately 6–7 feet deep between the course buoys.
  • Return to the beach and follow the route to transition.
Cyclist racing on the Texas City bike course
Leg two · Texas City Dike

Bike

15 miles

The mostly flat and mostly closed course follows the Texas City Dike and nearby coastal roads.

  • Long, flat stretches make this a potentially fast course.
  • Galveston Bay views extend across much of the ride.
  • The exposed dike can make coastal wind part of the challenge.
Smiling runner racing along the waterfront
Leg three · Waterfront Run

Run

3.1 miles

The closed run course combines waterfront stretches, Rainbow Park and an energetic finish area.

  • Water and park views appear throughout the course.
  • The final mile includes a groomed crushed-surface trail.
  • The finish and post-race area are inside Rainbow Park.
From start to finish

How the race flows.

Know the sequence before race morning so you can move through each stage with confidence.

01Start at
the beach

Report to your assigned wave wearing the correct swim cap.

02Swim Exit
to Transition

Complete the swim and follow the marked route into transition.

03Begin the
bike

Buckle your helmet before touching your bike and mount after the marked line.

04Return for
the run

Dismount before the line, re-rack your bike and exit onto the run course.

05Finish in
the park

Complete the 5K and cross the finish line in the main post-race area.

Aerial view of Rainbow Park and the Texas City finish area
One finish line

Finish where the celebration is waiting.

Your final run brings you into Rainbow Park, where spectators, teammates, volunteers, post-race food, awards and the finish-line celebration come together.

Ways to participate

Race individually or as a relay.

Complete the swim, bike and run yourself or divide the three legs among a two- or three-person team.

Individual Triathlon

Individual athletes complete all three legs. Most choose Open, while Rookie / First-Timer, Clydesdale & Athena, Guardians and AWD/Para divisions are available for eligible athletes.

Triathlon Relay

Two- or three-person teams may divide the swim, bike and run. The team shares one timing chip, transferred inside transition.

Race-day support

What is available on course.

Event staff, volunteers and medical personnel are positioned throughout the venue to help athletes move confidently through race morning.

01Restrooms

Restrooms are available in transition. Additional portable restrooms are near the post-race parking area.

02Hydration Stations

Water and Gatorade are available at the run exit, miles 1.3 and 2, and the finish.

03Course Medical

Medical staff are stationed at the finish and patrol the course. Notify the nearest event representative if assistance is needed.

After you finish: Post-race food and drinks are available near the finish, including breakfast tacos and beer.

Choose the division that fits you.

Most athletes choose Open. Specialty divisions are available for eligible athletes, and relay is available for two- or three-person teams.

View Divisions & Awards
Texas City Triathlon finish-line celebration
Swim · Bike · Run

Ready to race Texas City?

Swim Galveston Bay, ride the Texas City Dike and finish your race in Rainbow Park.