Cherono represented Kenya at the 2018 Commonwealth Games and was a team silver medallist at the IAAF World Cross Country Championships in 2019.

She was runner-up to world champion Hellen Obiri at the 2018 Kenyan trials for the 2018 Commonwealth Games and finished seventh at the competition in Gold Coast, Australia.

As the third fastest Kenyan behind winner Hellen Obiri and seventh-placed Beatrice Chepkoech, she helped her country to the team silver medals.

She greatly improved her 5000 m best to 14:40.25 minutes in London, was third at the Kenyan Championships, and ran in the 2019 Diamond League final at the 2019 Memorial Van Damme.

After the track season, she repeated as winner at both the Singelloop Utrecht and Cross Internacional de la Constitución.