Kimeli won one Diamond League meeting, securing victory in the 5000 m at the 2019 Memorial Van Damme in Brussels (promotional event) with a personal best of 13:13.02.

[3] When Kimeli was four years old, his mother migrated from their home county of Uasin Gishu in Kenya to Belgium to work as a nurse.

[4] In 2011, Kimeli competed in his first international competition at the European Youth Olympic Festival in Trabzon, Turkey.

[4] Two years later, Kimeli won his first international medal by winning a silver at the junior 2013 European Cross Country Championships in Belgrade, Serbia.

He picked up another silver medal with the Belgium men's team at the 2024 European Cross Country Championships in Antalya, Turkey.