The 2019 IRONMAN 70.3 is happening this weekend, but road closures are beginning this week in preparation. 

  • Monday, May 13th at 9 a.m. to 5 a.m. on Monday, May 20th 
    • Riverside Drive/Riverfront Parkway between Aquarium Way and Molly Street, Chestnut Street between Aquarium Way and Riverfront Parkway, and the southbound Veterans Bridge ramp to Riverside Drive will be closed for the IRONMAN 70.3 setup and race.   
  • Sunday, May 19th
    • River Street and Heritage Landing Drive from Tampa Street to Heritage Landing will be closed from 4-9 a.m. for the IRONMAN 70.3 swim portion.
    • The Tennessee River will be closed to pleasure crafts between Ross's Landing and the Chickamauga Dam from 5-10 a.m. This includes the Rivermont Park and Tennessee Riverpark boat ramps.
    • Market Street and Alton Park Blvd from E 20th Street to W 40th Street will be closed to all southbound traffic and Alton Park Blvd from W 40th Street to W 33rd Street will be closed to northbound traffic from 6-9:30 a.m.
    • The right southbound lane of Riverfront Parkway and W 20th Street from Molly Lane to Market Street, the right southbound lane of Market Street and Alton Park Blvd from W 20th Street to W 40th Street, W 40th Street between Tennessee Avenue and Alton Park Blvd, and the I-24 on-ramp and southbound off-ramp at Market Street will be closed from 5 a.m.-1 p.m. and all street crossings will be limited by CPD officers.   
    • The intersections of St Elmo Avenue at West 42nd Street and Tennessee Ave. and W. 45th Street will be all-way stop controlled from 7 a.m.-1 p.m. Cyclists will be on Tennessee Avenue and St Elmo Avenue riding with traffic.
    • The right eastbound lane of Frazier Avenue between Forest Avenue and the Veterans Bridge, the right northbound lane of Barton Avenue between Frazier Avenue and Baker Street, the right northbound lane of the Veterans Bridge between East 3rd Street and Barton Avenue, the right westbound lane of Amnicola Highway between Old Curtain Pole Road and Lindsay Street, Riverside Drive between Lindsay Street and Molly Lane, the Battery Place off-ramp from Riverside Drive, Aquarium Way between Riverside Drive and Walnut Street will be closed from 5 a.m.-7 p.m. and all streets crossing this route will be controlled by CPD officers to give right-of-way to the runners for the IRONMAN 70.3 run portion.  

Chattanooga Department of Transportation is recommending that spectators and visitors park in lots and garages downtown and use Free Electric Shuttles (which begin at 5 a.m. and have extended hours throughout the weekend) and Bike Chattanooga's bike system to travel.

Activites for the 2019 IRONMAN 70.3 begin Friday at noon at the IRONMAN Expo on the Chattanooga Green. 

IRONMAN begins at 6:50 a.m. Sunday, with the bike race ending around 9 a.m. 

Traffic will be stopped from crossing the cyclists' lane when they are present between 7 a.m.-1:30 p.m. on West 20th Street, Broad Street, Market Street, and Alton Park Boulevard. Runners will be on the Riverwalk, Riverside Drive, the Veterans Bridge, Barton Avenue, and Frazier Avenue between 9 a.m.-4:30 p.m.