CHICAGO (CBS) — Some support Sunday for organized showers as the disturbance sped up in forward speed overnight. At the most, spotty drizzle may greet marathon runners at the start line. The strong cold front plows through our area this afternoon, opening the door for high winds late day through the evening. Northwest winds may gust to 40 mph.

A strong cold front plows through our area this afternoon, opening the door for high winds late day through the evening. Northwest winds may gust to 40 mph.

Runners trekked across 29 of the city's neighborhoods Sunday morning, taking in some of the landmarks as they made toward the finish line.

Ruth Chepngetich of Kenya set a world record, finishing at 02:09:56. She is making her way back on top after coming in second place last year to Sifan Hassan of the Netherlands.

Kenyan Ruth Chepngetich completed Sunday's Chicago Marathon with a world record-breaking time of 2:09:56. Why it matters: She crossed the finish line in Grant Park nearly two full minutes faster than the previous record time,

Kenya’s Ruth Chepngetich smashed the women’s marathon world record in Chicago, setting a historic time to break the 2:10:00 barrier while taking almost two minutes off the previous best. Chepngetich clocked an astonishing time of 2:09:56 to crush the previous record,