No surprise there. Female infantry need to meet the same physical requirements as the men.
http://www.usatoday.com/story/news/nation/2015/09/10/marine-study-finds-all-male-infantry-units-outperformed-teams-women/71971416/All-male ground combat squads proved faster, stronger and more lethal in most cases than units that included women, concludes a Marine Corps study that evaluated the impact of integrating women into all jobs. The women also suffered higher injury rates during physically demanding training, according to a summary of the study released Thursday. The Marine Corps faces a deadline the Pentagon has set for requiring military branches to open all specialties to women, including infantry and special operations forces, beginning next year.