We don't have an exact count on the number of female participants in this event, but by all accounts there seemed to be more women in the field than usual. Granted, most of those ladies were spotted playing in the altogether massive Day 1B field, so the percentage of women players might be only slightly above average.
Despite a number of women turning up for the event, only one is still alive as the money bubble approaches. Rebecca Gennett is current;y sitting on 120,000 chips--a little less than half the average stack.