Mary Cain (athlete)

Mary Cain
Personal information
Birth nameMary Cecilia Cain
NationalityAmerican/Irish
Born (1996-05-03) May 3, 1996
New York City
Height5 ft 7 in (1.70 m)
Sport
Country Ireland (2024-)
 United States (2014-2023)
SportRunning
Event(s)800 meters, 1500 meters, 3000 meters
ClubAtalanta NYC
Coached byJohn Henwood
Medal record
Women's athletics
Representing the  United States
World Junior Championships
2014 Oregon3000 m
NACAC U-23
2016 El Salvador1500 m

Mary Cecilia Cain (born May 3, 1996) is an American-born Irish professional middle distance runner from Bronxville, New York. Cain was the 2014 World Junior Champion in the 3000 meter event. She is the youngest American athlete ever to represent the United States at a track and field World Championships meet after competing in the 2013 World Championships in Athletics in Moscow aged 17 years and 3 months.