Pedzisa mutsara unotevera: Akakunda mujaho wejunior cross country pamunda wemba muKericho mukupera kwa2009, asi akakundikana kusvika kune vatatu vekutanga paKenya Trials ya2010. Kuguma kwake panzvimbo yechina kwakanga kwakakwana kuwana nzvimbo muchikwata nokuda kwe
2010 World Cross Country Championships. Cherono akasimuka pachiitiko ichi paWorld Championships muBydgoszcz, nzvimbo imwecheteyo yaakakunda mu2008 World Junior. Akatungamira nevakwikwidzi vake vekuKenya kwechikamu chikuru chemujaho uye akakunda nemusiyano wemasekondi manomwe, achitungamira kumba 1 <unk> 2 <unk> 3 <unk> 4 kukunda kwechikwata cheKenya. Pasinei nepasipo rakakura rokukunda, iye haana kudikanwa kuzvisundira amene kukunda, achizivisa gare gare kuti: "Muchikamu chechipiri, ndakanga ndasara nezvakawanda". Akaita rwendo rwake rwekutanga muIAAF Diamond League muna Chivabvu, achimhanya nguva yakanakisa ye14: 47.13 yechinomwe mumamita zviuru zvishanu kuShanghai Golden Grand Prix. Pa2010 World Junior Championships muAthletics, Cherono akava mukadzi wokutanga kuchengetedza 3000 m junior zita sezvo iye akadzivisa dambudziko kubva Emebet Anteneh kuva wokutanga menduru yegoridhe chiitiko. Akakundawo menduru yesirivheri mumakwikwi emamita zviuru zvishanu, achipedzisa kumashure kwaGenzebe Dibaba.