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- Baseball
- Basketball
- Cross Country
- Football
- Golf
- Soccer
- Track and Field
- Wrestling
- Tennis
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- Softball
- Basketball
- Cross Country
- Golf
- Soccer
- Track and Field
- Volleyball
- Tennis
- Cheerleading
- Dance Team
Treinen is in his seventh year as head men's and women's track and cross country coach. He served as an assistant coach within the program for over two year and was even Briar Cliff's interim cross country and track coach from Jan. 1-May 17, 2004.
Treinen, a 2003 BCU graduate, was a three-year member of the BCU Track team and still holds school records in the 4x100, 4x200 and sprint medley relays. Treinen is the third member of his family to graduate from Briar Cliff.
He was a 1999 graduate of Remsen St. Mary's and a four-year track letterwinner for the Hawks. His medley relay team garnered all-state honors after second and third place state meet finishes.
Treinen, his wife, Kristin, and their daughter, Paige, reside in Sioux City.

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