Hometown: Monroe, WI
High School: St. Mary's Catholic Central
Colleen only participated in the outdoor season. She ran the 5,000m and the 10,000m. Her best time of the season in the 5,000m was at the University of Cincinnati Oliver Nickoloff where she ran a 17:46.44 placing seventh. Her best 10,000m time came at the Atlantic 10 Outdoor Championships. Grassley finished 13th with a time of 38:05.92.
In cross country Grassley was a three time state qualifier. Twice she was All State and league champion. She holds the school record for a 5k with a time of 18:45. In 2010 she was named the Runner of the Year. In track Grassley was All State in the 3200m run. She was a three time state qualifier, a two time league champion in the 3200 and the regional champion in the 1600 in 2011. She was named Academic All State in 2009 and 2010 for both cross country and track. She was a member of the National Honor Society and Spanish Honor Society and a top graduate of her high school.
Daughter of Rick and Diane Grassley. Has two older brothers, Derek and Drew. Majoring in Pre-Medicine and hopes to be a physician’s assistant.