Katherine (Katie) Rainsberger (born August 18, 1998) is an American long distance runner from Colorado. Her mother is former distance star Lisa Larsen (Weidenbach) Rainsberger. She was also a swimmer who qualified for the Olympic team trials in 1980, though the U.S. boycotted the games. Lisa was a top-ranked long distance runner during most of the 1980s. She won the Boston Marathon in 1985, the last American woman to do so until Desiree Linden's win in 2018. Katie's father, Ellis, played football at Kansas State University. Lisa switched to the triathlon not long before Katie was born. Early life Katie played soccer for her first two years in high school, and in 2012, was the MVP of the state club soccer tournament, before focusing entirely on track, where her mother coached her. She was a 4.5 GPA student at the Air Academy High School in Colorado Springs. Her brother, Ian, is three years younger than she. The tall speedster won 10 state titles in cross country and track and field in 2015-16, swept the 800, 1,600 and 3,200 meters at the 2016 Colorado state meet for the second straight season and was undefeated at distance as a senior. She recorded the fifth fastest ever prep mile time, 4:40.92, to earn 2015 Track and Field News All-America honors, then clocked the 6th fastest all-time high school time in the 1,500 meters at the 2016 Portland Track Festival, where she ran 4:12.62. She led the Nike Nationals cross-country in 16:56.8, was the national Gatorade U.S. Cross Country Runner of the Year, and set the U.S. high school females 5k cross country record at 16:23.5, until it was broken by Katelyn Tuohy in 2018. While in high school she set her personal outdoor bests for the mile of 4:40.92 on June 13, 2015, and nine months later at The Armory indoors, in 4:36.61, both in New York, NY. In 2015 she had the U.S. yearly high school best for 800 Meters, 2:08.87. In 2016, she duplicated that feat with a 1,600 Meters in 4:44.31 and 3,200 Meters in 10:23.24. Shortly after graduating from high school, she ran 3000 Meters in 9:00.62 at Bydgoszcz, Poland on July 20, 2016. College years Katie ran for the University of Oregon for her Freshman and Sophomore years, recording bests of 800 meters in 2:05.20, at the Oregon State University High Performance Meet, in Corvallis, Oregon, 1500 Meters