Kammala jumla mai zuwa: An ba da waƙa ga mahalarta don yin aiki a ranar Alhamis 6 ga Satumba da Jumma'a 7 ga Satumba, da kuma Asabar da safe. A ranar Laraba, da yawa daga cikin mahalarta sun isa daga tseren Cincinnati da aka yi a karshen mako da ya gabata. Direban garin Johnny Aitken, da
1916 Indianapolis 500 pole-sitter, kuma ya lashe ranar Litinin a Cincinnati, ya shiga taron a matsayin wanda aka fi so. Tawagar George Buzane ita ce ta farko da ta zo daga Cincinnati. Frank Gavin da Josef Christiaens na kungiyar Sunbeam suma sun isa ranar Laraba. Mota ta Christiaens, duk da haka daga baya za ta sha wahala daga karyewar crankshaft a lokacin horo. Duk da aiki na dare da rana, ƙungiyar ba za ta iya sake gina injin ba kuma an tilasta Christiaens ya zauna duka tsere uku.