Using a large running race in Sweden, this study shows that there are male-dominated environments in which the selection of women who participate are more likely to be confident/competitive and that, within this group, performance improves equally for both genders.

Using a large running race in Sweden, this study shows that there are male-dominated environments in which the selection of women who participate are more likely to be confident/competitive and that, within this group, performance improves equally for both genders