CHICAGO (AP) 鈥� Kelvin Kiptum set a world record in the Chicago Marathon on Sunday, finishing in 2 hours, 35 seconds to shatter fellow Kenyan Eliud Kipchoge's old mark by 34 seconds.

Sifan Hassan of the Netherlands also took advantage of cool and cloudy weather that's considered ideal for a marathon to win the women's race in 2:13:44 鈥� the second-fastest ever for a woman at the 26.2-mile distance.

Kiptum in the spring in 2:01:25 and shaved almost a minute off in Berlin by Kipchoge, a two-time Olympic champion and the most successful marathoner ever.

鈥淚 knew I was coming for a course record, but a world record 鈥� I am so happy,鈥� Kiptum said. 鈥淎 world record was not on my mind today, but I knew one day I would be a world record-holder.鈥�

Kipchoge also broke the 2-hour mark in 2019 in a specially designed Vienna exhibition that does not qualify for the world record.

Hassan's time is second behind the women's world record of 2:11:53 of Ethiopia. Assefa shattered the women's world record by more than two minutes.

More than 47,000 runners took part in Sunday's event.

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