Kammala jumla mai zuwa: Lesse ya wakilci Jamus ta Gabas a gasar zakarun Turai ta 1971 a Helsinki, inda ya kasance na 24 a cikin mita 10,000. Lesse ya karya rikodin marathon na Gabashin Jamus a karo na farko a watan Afrilu 1972, yana gudu 2:13:19.4 a Karl-Marx-Stadt; shi ne kawai Jamus ta Gabas da aka zaba don gasar.
1972 Olympic marathon, inda ya sanya 25th a cikin 2: 22:49.6.