Ruth Chepngetich shatters women’s world record at Chicago Marathon Kenyan distance runner Ruth Chepngetich completed the Chicago Marathon in 2:09:56 on Sunday, smashing the women’s full marathon world record. Chepngetich became the first woman to ever run under 2:10 at the full marathon distance. Ethiopian runner Tigst Assefa held the previous women’s world record of 2:11:53, a feat she accomplished at the 2023 Berlin Marathon. Chepngetich, 30, is a one-time world champion. Entering Sunday, Chepngetich’s personal best in a full marathon was 2:14:18, set two years ago on Oct. 9, 2022. Her record for a half marathon is 1:04:02, set…