 Gathimba akabuda pamusangano wepasi rose mugore ra2014, achitora menduru yesirivheri kumakwikwi e2014 African Championships in Athletics ari kumashure kwaLebogang Shange wekuSouth Africa. Akagadza nguva yake yakanakisisa ye1:23:59 maawa kuti ave wechipiri pamakwikwi enyika gore iroro, shure kwaDavid Kimutai Rotich. Akatora nzvimbo yepamusoro pamakwikwi emunyika muna 2015 aine nguva itsva ye1:23:12 maawa, izvo zvakamuita kuti ave pakati pepamusoro 100 pasi rose kwenguva yekutanga. Akaratidza zvakare nzvimbo yake pakati pezvakanakisa mukondinendi pa2015 African Gamesuko akarasikirwa nendarama kuna Shange norunyararo rwechipiri chimwe. 