"Today, however, well over half of all road-race participants are female. Women’s participation in trail running is following a similar trajectory, albeit a bit further behind on the timeline. More men participate in trail races annually—even more disproportionately at ultra distances. But women’s numbers are increasing, up to 23 percent in 2018 (compared to 14 percent in 1996) across all distances." Trail Runner Magazine "How to Trail Run"