| W | World | 40.82 | Bartoletta, Felix, Knight, Jeter | USA | 8/11/2012 | London, ENG |
| A | American | 40.82 | Bartoletta, Felix, Knight, Jeter | USA national team | 8/10/2012 | London, ENG |
| C | College Outdoor | 42.36 | Carter, Lucas, Duncan, Mayo | Texas A&M | 6/12/2009 | Fayetteville, AR |
| Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | |
|---|---|---|---|---|---|---|---|
| 1 | OXFORD (MS) | A | Dunn, Jakiara | Epps, Ashley | Jones, Maria | Ramsey, Kadijah | 50.20 |
| 2 | SENATOBIA | A | Burdette, Shakiya | Burdette, Sequoia | King, Shukira | Green, Keiryonia | 51.77 |
| 3 | LAKE CORMORANT | A | Byrd, Carlyn | Wilson, Jessica | Patterson, Aaliyah | Jennings, Janaya | 53.00 |
| 4 | SIMMONS | A | Causey, Jada | Gadison, Jalelia | Greer, Anisha | Hollins, Dericka | NT |
| 5 | CORINTH | A | Alexander, Aziah | Howard, L'Zareya | Jones, Akeeva | Wofford, Diamond | NT |
| 6 | W. TALLAHATCHIE | B | NT | ||||
| 7 | W. TALLAHATCHIE | A | Hardiman, Markasia | Spearman, Ashley | Johnson, Mauriuna | Rosebud, Keja | NT |
| 8 | OLIVE BRANCH | A | Gray, Sierra | Malone, Ava | Shipp, Sarena | White, Terrica | NT |
| 9 | INDEPENDENCE | A | Aysa, Garrett | Bradley, Anteria | Bradley, Taneria | Walker, Nakia | NT |
| 10 | AMORY | A | Childs, Caliah | Dancy, Nigeria | Stevens, Alex | Stevens, Ashley | NT |
| 11 | DESOTO CENTRAL | B | NT | ||||
| 12 | DESOTO CENTRAL | A | Harrah, Autumn | Knighten, Adia | Seals, Kenia | Nelson, Codi | NT |
| 13 | WEST MEMPHIS | A | Burks, Tatyana | Edward, Allyson | Lockhart, Moneshia | Rodgers, Kyrus | NT |