Rubuta ci gaba don wannan sakin layi - Andretti ya yi gasa a 24 Hours na Le Mans a cikin shekaru arba'in. A shekara ta 1966
ya raba Holman Moody Ford MKIV tare da Lucien Bianchi. Sun yi ritaya bayan motarsu ta fadi bawul a karfe 10:30 na dare. A shekara ta 1967, a lokacin tsayawa a karfe 3:30 na safe, wani makaniki ba da gangan ya girka abin birki na gaba a baya a kan Ford MkIV. Yayin da Andretti ya wuce a karkashin Dunlop Bridge kafin Esses, ya taɓa ƙwanƙwasa birki a karon farko tun lokacin da ya bar pits. Gwanin gaba ya kulle nan da nan, ya juya motar da wuya a cikin datti a cikin. Rushewar jirgin ya tsaya tare da Andretti ya girgiza sosai, motar ta yi gefe zuwa zirga-zirgar da ke gaba kuma hanyar ta kusan toshewa. Abokan aikinsa, Jo Schlesser da Roger McCluskey, sun yi hatsari yayin da suke kokarin kauce wa motar Andretti. McCluskey ya cire Andretti zuwa aminci, kuma an kai Andretti asibiti don x-rays.