Hargrove learned that someone from the U.K. had already set the record at 5 hours and 13 minutes. Determined to try again, Hargrove ran 6 kilometers (nearly 4 miles) in one race before snapping a heel, and in another race made it 21 kilometers (approximately 13 miles) before his heel broke again. Resolute, Hargrove turned to friends for a solution.

Ruth Chepngetich, from Kenya, runs with the Kenyan flag after crossing the finish line of the Chicago Marathon to win the women’s professional division and break the women’s marathon world record in Grant Park on Oct. 13, 2024. (Tess Crowley/Chicago Tribune)

While some of the street closures around the start and finish line are already in place, restrictions along a bulk of the marathon route will go into effect Sunday morning.

Williamsburg’s Erik Stauderman set a personal best time at the Oct. 13 Chicago Marathon and Emily Honeycutt set a women’s course record at the Oct. 12 Grove Trotter Chickahominy Bridge Run 10K.

This year’s Bank of America Chicago Marathon was a historic event, attracting elite runners from around the world.

CHICAGO (CBS) — The runners were not the only stars of the 2024 Chicago Marathon on Sunday. The creative signs lining the city streets helped cheer on and motivate the athletes. Here are some of this year's best signs!

Kenya’s Ruth Chepngetich smashed the women’s world marathon record in Chicago on Sunday, taking almost two minutes off the previous best to win the race in 2:09:56.

Kenya's Ruth Chepngetich made history at the 2024 Chicago Marathon, setting an incredible new world record. She finished with a time of 2:09:56, breaking Ethiopia's Tigist Assefa's previous record by nearly two minutes.