Ruth Chepng'etich, often spelt Ruth Chepngetich, is a Kenyan road racing athlete, who competes in marathon and long distance track events. Ruth is related to Rosefline Chepngetich. Ruth's time is No. 4 all-time behind world record holder Brigid Kosgei 2:14:04, Paula Radcliffe 2:15:25, and 2:17:01 Mary Jepkosgei Keitany.