The Ironman Texas Triathlon will return to The Woodlands on Oct. 9. The 2.4-mile swim, 112-mile bike course and a 26.2-mile run will cause road closures throughout The Woodlands with potential traffic impacts beginning at 5 a.m.

The Woodlands Township encourages residents to be aware of the traffic management plan in effect on race day. A complete event schedule and course map along with traffic impact information can be found on the Ironman website.

Here are the roads closed on Oct. 9:

  • Waterway Avenue from Lake Robbins Drive to Timberloch Place: closed all day

  • Riva Row from Grogan’s Mill Road to Six Pines Drive: closed 6 a.m.-11 p.m.

  • Lake Robbins Drive from Grogan’s Mill Road to Six Pines Drive: closed 5 a.m.-7 p.m.

The Woodlands Lakes Edge Boat House and Riva Row Boat House will open at noon Oct. 8. The Rova Row Boat House will open at 11 a.m. Oct. 9, and the Lakes Edge Boat House will be closed Oct. 9. Check with local businesses for Ironman-related closures.

The Ironman Texas race was previously scheduled to be held in The Woodlands in April but was postponed to Oct. 9. A phone number has been set up to address traffic concerns at 713-826-2615, and information about the race in general is available at