*NOTE: Any time that was not FAT (Fully Automatic Timing) was adjusted using the same rules as the Omaha World Herald and the NSAA record books.
Girls
1. Kelli Brummer (1998) 45.58
2. Bene Bicaba (2010) 45.84
3. Shannon Nebrigch (1987) 47.14
4. Angie Ptacnik (2005) 47.34
5. Erika Roehrs (2021) 47.36
6. Alexandra Rand (2018) 48.54
7. Anna Paulsen (1998) 48.74
8. Alecia Lawson (2001) 48.74
9. Michelle Trulin (2009) 49.04
10. Morgan Schenck (2016) 49.54
Boys
1. Colin Mertlik (2011) 39.94
2. Mike Maryott (1998) 40.04
3. Greg Miller (1987) 40.34
4. Jay Kruse (1986) 40.44
5. Jim Rosterman (1995) 40.64
6. Matt Knight (1990) 41.14
7. Justin Young (1992) 41.24
7. Josh Fischer (1998) 41.24
9. Mike Beebe (1981) 41.34
10. Jim Thompson (1980) 41.54
10. Ryan Petersen (2007) 41.54