The 2025 IRONMAN Chattanooga is scheduled for next Sunday, September 28.

More than 2,500 athletes will be swarming the Tennessee Valley next week to test their physical and mental limit. Close

Race/Bike/Swim Maps

Over the course of 16.5 hours, they will attempt to complete the following in succession:

2.4-mile swim

112-mile bike ride

26.2 mile run

"We ask for your cooperation and understanding on race day as you travel," a release from race organizers said. "The routes were chosen to highlight the various areas that fully showcase the unique setting of the Chattanooga, Red Bank, and Soddy Daisy."

Here's what the traffic impact will look like:

Wednesday, Sept. 24 - Monday, Sept. 29

Delays starting 9:00am Wednesday, ending 8:00pm Monday:

Riverfront Pkwy (Molly Lane to Aquarium

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