Ramba uchinyora ndima iyi - Hartmann akakurira muRockford, Michigan uye akapedza kudzidza paRockford High School muna 1999. Akaita chikwata chake chekutanga chenyika semumhanyi wechidiki pa2000 IAAF World Cross Country Championships
, kwaakapedza ari panzvimbo yechi66. Akaenderera mberi nekuwana BA mune dzidzo uye zvemagariro evanhu paYunivhesiti yeOregon uye akakwikwidza mumakwikwi akareba echikwata chemitambo cheOregon Ducks. Akawana zvikomborero zvitanhatu zveAll-America munguva yake ikoko, pamwe nekukwirira kwekuve nzvimbo yechina mumamita 10,000 paNCAA Outdoor Championships muna 2002 na2003, uye vaviri vanopedzisa mumutambo paPac-10 championships.