Caroline Chepkoech Kipkirui

She made her half marathon pacing London marathon 2017 She missed the majority of the 2014 and 2015 seasons but returned with a tour of races in the United States in 2016. She won the Azalea Trail Run, Bay to Breakers, Falmouth Road Race and Silicon Valley Turkey Trot, as well as top three finishes at the Beach to Beacon 10K, Bix 7 Road Race, Bolder Boulder and Carlsbad 5000. She began 2017 with a win at the Antrim International Cross Country, but had bad fortune at both the Kenyan Cross Country Championships, which she failed to finish. She was the pacer for the first half of the women's only marathon (1:06:53) record set by Mary Keitany in the 2017 London Marathon. Her year ended with high notes as she defended her title at the Falmouth Road Race, was runner-up at the Memorial Van Damme 5000 m in a new personal best of 14:27.55 minutes and placed third at the Great North Run. In January 2018 she lowered her half marathon personal best to 1:06:50, placing 2nd in the Houston Half Marathon, and a month later at the RAK Half Marathon, she lowered it again to 1:05:07, becoming the 4th fastest female half marathoner of all time. Caroline ran also ran her 2nd fastest half marathon time ever on April 7, 2018 in Prague, Czech Republic, in 66:09, finishing 2nd to Joan Melly, who won in 65:04, subsequently taking the spot as the 4th fastest female half marathoner ever.

Born in Kericho, she is the younger sister of fellow distance runner Mercy Cherono. She had a very successful international career in the age category competitions. She won the inaugural junior race at the 2011 African Cross Country Championships and claimed the 5000 metres gold at the 2011 African Junior Athletics Championships and 3000 metres bronze medal at the 2011 World Youth Championships in Athletics that same year. The 2012 World Junior Championships in Athletics saw her take fifth in the 5000 m, then she ended up fourth at the 2013 IAAF World Cross Country Championships, helping the Kenyan women to the junior team title alongside individual medallists Faith Chepngetich Kipyegon and Agnes Jebet Tirop.

Caroline Chepkoech Kipkirui (born 26 May 1994) is a Kenyan female long-distance runner who competes in distances from 3000 metres to the half marathon. She has worked at the Altay Athletics club in Kazakhstan since 2017 Coach by Ken Rotich Kenya and USA Richards Anderson she train with a group of number of athletes most of 5 of them high profile athletes Norah Jeruto, Mercy chebwogen Daisy Jepkemei and others.. At junior level she was twice African champion and shared in the team gold medal at the IAAF World Cross Country Championships.