Knierim started skating at age 12. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ They were coached by Dalilah Sappenfield in Colorado Springs, Colorado. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
2009 U.S. Championships. They announced the end of their partnership on April 9, 2009.