APRIL 26 TRAFFIC ADVISORY

Published on April 24, 2025

Photo of cyclists riding bicycles on race day

The Memorial Hermann IRONMAN® Texas triathlon event will take place on Saturday, April 26, bringing athletes from around the world to compete in a full-distance swim, bike and run event throughout The Woodlands and surrounding areas.

Residents and visitors should be aware that the multi-course event will impact traffic along the race routes. Major roads which will be impacted include:

  • Woodlands Parkway 
  • Grogan’s Mill Road
  • Lake Woodlands Drive at E. Panther Creek
  • Waterway Ave is CLOSED from Lake Robbins to Timberloch
  • Lake Robbins is CLOSED from Grogan’s Mill to Six Pines West Bound
  • Hardy Toll Road CLOSED from IH-45 to IH-610 southbound main lanes beginning Friday, April 25 at 10 p.m. to Saturday, April 26 at 6 p.m.

A full listing of road closures, detours and access points is available on the event organizer’s traffic impact document. This PDF document is available for download and includes detailed course maps. All community members are strongly encouraged to review this information to plan their travel accordingly and minimize disruptions.

Event organizers urge everyone to be cautious and patient during the event and to support the athletes participating in this world-class competition. For specific questions regarding traffic or the race route, please contact the Race Traffic Hotline at 509-713-2742.

Additional information about the triathlon, including athlete details, spectator tips and course maps, can be found at ironman.com/races/im-texas.

Please note: The 2025 Memorial Hermann IRONMAN® The Americas Championship Texas Triathlon is not a Township-produced event.

The Woodlands Township is a special purpose district, providing fire protection, environmental services, parks and recreation, economic development, enhanced law enforcement services and more to over 120,000 residents and 2,000 businesses. Located 27 miles north of Houston, Texas, The Woodlands Township is committed to supporting the highest quality of life for its residents, businesses and visitors. Please visit thewoodlandstownship-tx.gov to learn more. 

PHOTO: The Memorial Hermann IRONMAN® Texas triathlon takes place Saturday, April 26, 2025, with the swim, bike and run courses throughout the area. The Traffic Impact PDF shows the race route and has information on road closures and detours. All residents are encouraged to use these resources to enjoy the race and plan accordingly for commuting issues on race day.

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