Leading scores after Thursday's opening round of the LPGA Marathon Classic at Highland Meadows Golf Club in Sylvania, Ohio (par 71, USA unless noted): 64 - Danielle Kang, Lydia Ko (NZL) 65 - Megan Khang 66 - Sophia Popov (GER), Angel Yin, Ally McDonald, Jenny Shin (KOR) 67 - Kristen Gillman, Angela Stanford, Cydney Clanton, Cheyenne Knight, Andrea Lee, Maria Fassi (MEX), Jodi Ewart Shadoff (ENG), Nelly Korda 68 - Lindsey Weaver, Jennifer Song, Minjee Lee (AUS), Lin Xiyu (CHN), Carlota Ciganda (ESP), Christina Kim, Mariah Stackhouse, Chien Pei-yun (TPE), Isi Gabsa (GER), Charlotte Thomas (ENG), Austin Ernst, Yui Kawamoto (JPN) afp