Brent Reiter attended Shawano High School in Shawano, Wisconsin from 1996-2000 and excelled in both Cross Country and Track & Field. Reiter was state champion in the 1600m run at the 2000 WIAA State Track & Field Championships and state runner-up at the 1999 WIAA State Cross Country Championships. He was a seven-time state qualifier, six-time sectional champion, ten-time Bay Conference Champion, a seven-time varsity letter winner, school record holder in the 1600m run, and led the Hawks to two straight Bay Conference Cross Country team titles in 1997 and 1998. Reiter was named Shawano High School male athlete of the year in 1999-2000.
After graduating from Shawano High School in 2000, Reiter attended Southwestern Indian Polytechnic Institute (SIPI) in Albuquerque, New Mexico from 2000-2002. He participated in Cross Country, Track & Field, and the Marathon. Reiter was a two-time National Champion, four-time National runner-up, nine-time All-American, an academic All-American, and led SIPI to two straight National Cross Country team titles in 2000 and 2001. Reiter also attended Eastern Kentucky University in Richmond, Kentucky in 2002-2003. He earned First Team All-Conference honors for Cross Country in 2002.
Reiter was inducted into the Shawano Athletic Hall of Fame in 2010.