The former world record holder won Tokyo in 2:14:29 in March and has never finished lower than second in Chicago.

Her 35K-to-40K split of 30:49 was faster than any other stretch of her race, and Berlin still lists her as a finisher.

He told the company doctor about his marathon training at his first appointment. The court says that left his employer no ...

The race's alert system opens at yellow, its second of four levels, as the forecast warms ahead of Sunday's 7:30 a.m. start in Grant Park.

Jacob Kiplimo defends his title with a PB under the course record. Here is the schedule, how to watch, and who is racing on ...

The two-time Olympic medalist joined the elite field on Sept. 22 and tore his calf in his last track session at altitude in ...

He split 30:21 and 30:19 for his two 10Ks and won by 54 seconds, more than 15 years after his 1:00:29 lifetime best.

Enter your goal and start wave, load the race-day forecast, and get pace targets for all 26.2 miles of Chicago, built from 4,023 finishers’ splits.

Emily Sisson has held the American women’s marathon record since she ran 2:18:29 in Chicago four years ago this week, and now ...

How Do You Set a Marathon World Record? Like other sanctioned race distances, marathon world records must be ratified by World Athletics (formerly the IAAF), the international governing body for ...

A 45-mile day, 1,223 miles in 10 weeks and a debut run alone. Here is what the research says Vinny Mauri carries into Chicago ...

A 2010 study found pickle juice shortened lab-induced cramps by close to 50 seconds, and McDonald's is now bottling its own brine for Chicago Marathon weekend.