Kosinski attended and ran with Oak Ridge High School from El Dorado Hills, California. She and another Californian high schooler, Jordan Hasay, were two of the fastest high school women in the state and frequently raced each other before they would both go to University of Oregon.
She broke the United States. high school girl"s national record for the 1600 meters in 2007. She went on to attend and run with University of Oregon in cross country and track. High school Collegiate Kosinski attended University of Oregon with an athletic scholarship.
She majored in Sociology and maintained a 3.83 Grade Point Average while in college.
On January 29, 2011, she set the school"s record for the indoor 5000 meter at 15:44.60. Kosinski placed eighth in the women"s 5000 meter finals at the 2012 National Collegiate Athletic Association Division I Outdoor Track and Field Championships.
