Scotland's Mhairi McKay shot 67 on the morning of the fourth round of the Women's Open, carding birdies at 1, 3, 5, 7, 8, 10, 14 and 18; the last one after hitting off Granny Clark's Wynd. She double bogied 12. Mhairi set the normal ladies' course record of 67 in 1993, broken in 2007 by Denise Becker.