Ruth Chepngetich of Kenya won the Chicago Marathon in 2:09:56 to break the world record by nearly two minutes.

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.

Ruth Chepngetich, led by two pacemakers, went out at a blistering pace on Sunday. Despite slightly slowing down in the second half of the race, she found another gear and broke Tigst Assefa’s world record by nearly 2 minutes, running 2:09:56.