Mary Cain is an elite runner. Along with focusing on her training, she is the New York City community manager for technical running apparel company Tracksmith and a virtual coaching specialist for New York Road Runners, a nonprofit running organization. Cain was the 2014 World Junior Champion in the 3000 meters; she broke the American high school 800-meter record at age 17 and qualified for Olympic trials when she was 16. After sharing her story about being abused by her coach in a 2019 New York Times op-ed, Cain has dedicated her career to driving change in the sport, with an emphasis on athlete well-being and gender equity.