Nyorai kuenderera mberi kwechikamu chino - Nzvimbo yake muchikwata chenyika cheKenya chakakwikwidza nyika yakatarisa kusava nechokwadi muna 2009 sezvo murairidzi mukuru Julius Kirwa akaramba mikana yake, achiti akanga amhanya makwikwi akawanda kwazvo mwaka iwoyo. Cherono akapindura nokutungamirira pakarepo paKenya Trials uye kukunda mujaho wechidiki nemuganhu wemasekondi gumi nematatu. PaWorld Cross Country Championships muna 2009
muAmman, Cherono akapinda mumakwikwi akareba-refu naGenzebe Dibaba mumakwikwi evana vadiki. Cherono akatungamira mumatanho ekupedzisira asi chikamu chakaoma chine makomo makumi mana chakagonesa Dibaba kumubata uye Cherono akapedzisira aine menduru yesirivheri. Mumakwikwi eAfrican Junior Athletics Championships muna2009, Cherono akahwina mumakwikwi emamita zviuru zvitatu nemasekondi gumi nematatu asi akazopedzisira arohwa naGenzebe Dibaba mumakwikwi emamita zviuru zvishanu, achibva apedza nemenduru yesirivha. Akakwikwidza pamutambo mukuru wegore iroro uye akanga ari wechitatu paRieti IAAF Grand Prix, achinyora zvakanakisisa zvake zve8: 44.67 ye 3000 m. Akatora wechitatu kechipiri paChirangaridzo van Damme munaGunyana, achinyora zvinyorwa zvake mumamita 1500 uye 2000 metres uye akarohwa chete nevakakunda nyika Gelete Burka naVivian Cheruiyot.