Kiptum shatters world marathon record in Chicago with blistering 2:00:35 finish
- Kelvin Kiptum of Kenya shattered the previous men's marathon world record, finishing in 2:00:35 in Chicago.
- Kiptum beat the prior record held by Eliud Kipchoge by over 30 seconds.
- Sifan Hassan of the Netherlands set a new course record for women in Chicago with the second-fastest time ever.
- Kiptum ran an unprecedented second half, recording one of the fastest split times ever in the 22nd mile.
- This was Kiptum's third marathon victory in his last four races over the past 10 months.