Athletes Fighters Katie Taylor Claressa Shields Mikaela Mayer Championships Gender Issues in Sports Olympic Games Katie Taylor vs. Amanda Serrano Events Eligibility Criteria Natasha Jonas Olympic Boxing Amanda Serrano Gender Issues Controversial Decisions Historical Context Career Progression Athlete Advocacy Championship Titles Athlete Achievements Trilogy Fights Cultural Impact Title Fights Championship Fights Amanda Serrano's Career Fight Equality Training Empowerment Equal Rights Round Duration Rules Sanctioning Bodies Featherweight IBF Women's Welterweight Title Natasha Jonas vs. Mikaela Mayer Olympics Christy Martin Women's 54kg Women's 60kg Middleweight Division Gender Controversy Gender Eligibility Competitions Gender Politics Gender Controversies Gender Identity in Sports Match Analysis Fighter Profiles Match History Fighter Statistics Controversies