Thousands of athletes descend on downtown for Supertri Chicago; street closures in place

Thousands of athletes took over Chicago’s lakefront on Sunday for the nation’s largest triathlon.

The Supertri Chicago brings everyone from first-time competitors to elite pros together for a swim, bike, and run through the city.

The athletes began with the competition’s swimming portion before transitioning to cycling and running.

ABC7 was at the finish line as dozens of competitors completed the race on Sunday morning.

The SuperTri Chicago brings athletes of all skill sets to compete through Grant Park and the lakefront.

The event is two days long, with the kids’ triathlon taking place on Saturday. Last year, more than 9,000 athletes competed in the event

Organizers say the event also gives Chicago a boost to the economy.

• 5 a.m. 8/22; reopens 7 p.m. 8/23: E. Balbo Dr., DuSable Lake Shore Dr. to S. Columbus Dr.

• 10 a.m. 8/22; reopens 5 p.m. 8/23: N. Lake Shore Dr. / NB Randolph exit ramp.

• 4 a.m.-1 p.m.: Simmonds Dr., from Montrose Harbor Dr. to Foster Ave.

5 a.m. 8/22; reopens 7 p.m. 8/23: E. Balbo Dr., DuSable Lake Shore Dr. to S. Columbus Dr.

10 a.m. 8/22; reopens 5 p.m. 8/23: N. Lake Shore Dr. / NB Randolph exit ramp.

4 a.m.-1 p.m.: Simmonds Dr., from Montrose Harbor Dr. to Foster Ave.

• 2 p.m.-7 p.m.: S. Columbus Dr., E. Balbo Dr. to E. Roosevelt Rd.

• 5 a.m.-noon: Lake Shore Dr. SB lanes, E. Randolph St. to W. Hollywood Ave.

• 5 a.m -12:30 p.m.: E. Randolph Lower St., S. Columbus Dr. to lakefront.

• 5 a.m.-noon: E. Lower Wacker Dr., Randolph to State.

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• 5 a.m.-noon: W. Lower Wacker Dr., State to Lake.

• 5 a.m.-noon: N. Wacker Lower Dr., State to Madison.

• 5 a.m.-noon: S. Wacker Lower Dr., Madison to Jackson.

• 6:30 a.m.-11:45 a.m.: N. Columbus Dr., E. Randolph St. to Lower Wacker.

2 p.m.-7 p.m.: S. Columbus Dr., E. Balbo Dr. to E. Roosevelt Rd.

5 a.m.-noon: Lake Shore Dr. SB lanes, E. Randolph St. to W. Hollywood Ave.

5 a.m -12:30 p.m.: E. Randolph Lower St., S. Columbus Dr. to lakefront.

5 a.m.-noon: E. Lower Wacker Dr., Randolph to State.

5 a.m.-noon: W. Lower Wacker Dr., State to Lake.

5 a.m.-noon: N. Wacker Lower Dr., State to Madison.

5 a.m.-noon: S. Wacker Lower Dr., Madison to Jackson.

6:30 a.m.-11:45 a.m.: N. Columbus Dr., E. Randolph St. to Lower Wacker.