Green went to high school at Greater Latrobe Senior High School in Latrobe, Pennsylvania.[1] There she primarily ran 400 meters with a personal best of 55.93 from her junior year. She finished fifth then fourth at the PIAA state championships her last two years there 2012 and 2013. Next she ran for Virginia Tech,[2] where she moved up in distance to the 800 meters and even broke 5 minutes for the mile her freshman year. In her sophomore year she moved her personal best to 2:01.17, which got her third place at the 2015 NCAA Championships. After missing the finals in 2016, she moved up to second place in 2017. Raevyn Rogers won those championships all three years. The 2:01:17 remained her collegiate PB. Indoors she finished second in 2016 and 2017 again behind Rogers. After college, in 2018 she moved her PB down to 2:00.09 while finishing seventh at the 2018 National Championships. Earlier in 2018, she finished fifth at the Indoor Championships.