Pedzisa mutsara unotevera: Pazera remakore makumi matatu nemana, Kejzar akaita kutanga kwake kwepamutemo kweMitambo yeOlympic yeZhizha ya2000 muSydney, kwaakaisa makumi matanhatu nemaviri kubva pavatambi zana mumutambo wemarathon wevarume, nenguva ya2:26:38, masekondi gumi nemana kumashure kweTanzania Zebedayo Bayo. Akaratidza kuita kwenyeredzi kumaOlympics ezhizha ra2004 muAthens, paakapedza ari makumi mashanu nemana mu
marathon kwenguva yechipiri, achinyora nguva yake yakanakisisa yeOlympic ye2:23:34.