*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. 2021 48.75 (A. Osborn, R. Beemer, E. Roehrs, G. Galbraith) Nebraska Class B Record Holders
2. 2011 49.91 (M. Trulin, B. Bicaba, M. Zima, C. Wrich)
3. 2012 50.33 (M. Anderson, C. Wrich, M. Zima, M. Trulin)
4. 2018 50.73 (E. Osborn, S. Kirwan, A. Osborn, G. Galbraith)
5. 2010 50.94 (M. Trulin, B. Bicaba, M. Zima, K. Rutcosky)
6. 2017 51.42 (E. Osborn, S. Kirwan, J. Anderson, P. Daggett)
7. 2009 51.54 (A. Straube, C. Wrich, M. Svoboda, B. Bicaba)
8. 1971 51.64 (P. Moore, R. Stave, J. Wrich, V. Warrick)
9. 1978 51.74 (J. Read, L. Clanton, N. Burge, B. Bencke)
10. 2002 52.04 (S. Trulin, S. Jordan, J. Bryan, J. Petersen)
Boys
1. 1996 43.81 (Branz, Fischer, Dugan, Fanoele)
2. 1997 44.21 (Branz, Fischer, Thompson, Fanoele)
3. 2014 44.24 (Harmon, Nollette, I. Mertlik, Foxall)
3. 2009 44.24 (Schubert, Morris, Santos, Shald)
5. 1998 44.34 (Branz, Fischer, Fude, N. Roewert)
6. 1986 44.44 (Lehl, Norton, Flynn, Kruse)
7. 2018 44.48 (D. Ryan, G. Lammers, Z. Orton, T. Hipnar)
8. 1992 44.54 (Nelson, J. Roewert, Maxwell, Young)
9. 1999 44.54 (Walsh, Fude, N. Roewert, Kepka)
10. 2011 44.56 (B. Rogers, J. Wilson, Ray, C. Mertlik)