Chepkurui attended Tinet High School in the Kuresoi South Constituency of Nakuru County, Kenya.

[4] At the championships, Chepkurui held a strong lead going in to the final lap, but she tumbled on the final water barrier putting compatriot Caren Chebet [de] into contention.

[5] The following year, Chepkurui competed at the 2018 IAAF World U20 Championships, this time at the standard 3000 m steeplechase distance.

She qualified for the final and placed 4th behind Celliphine Chespol (who was the second-fastest performer of all time), future Olympic gold medalist Peruth Chemutai, and future World champion Winfred Yavi.

[6] In 2019, Chepkurui joined the Middle Tennessee Blue Raiders track and field team.