Ramba uchinyora ndima iyi - Choi akatungamirira marathon pa1948 Summer Olympics muLondon asati adonha makiromita asingasviki mashanu asara munhangemutange yacho. Akapedza ari wechitatu muBoston Marathon ya1950, asi Boston Athletic Association yakamurambidza kupinda mumutambo wegore rakatevera racho. Panguva yaipisa Hondo yeKorea, purezidhendi weBAA Walter A. Brown akati: "Vasoja vokuAmerica pavanenge vachirwisana vachifira muKorea, muKorea wose anofanira kurwira kudzivirira nyika yake pane kurovedza kumarathoni. Chero bedzi hondo ichipfuurira ikoko, hatisati tichizogamuchira zvirokwazvo vanyoreri veKorea nokuda kwomujaho wedu pana April 19". Muna 1952, Choi akapedza ari wechina mumutambo wemarathon weOlympic muHelsinki
.