| R | Meet Rec. | 47.03 | West Intermediate | 2023 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 4 | Mt. Pleasant Sacred Heart | A | Browne | Kropf | Karimi | Morrow | 58.18 | |
| 5 | Fowler | A | Jones | Simon | Conner | Rhynard | 1:12.41 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Breckenridge | A | Keller | Bartlett | Becker | Stoneman | 57.62 | |
| 2 | Renaissance PS Academy | A | Croft | Davis | Mathews | Calderon | 55.94 | |
| 3 | Shepherd | A | Hidenlang | Haag | Rademacher | Powell | 55.13 | |
| 4 | Birch Run | A | Sanchez | Leach | Wood | Hartley | 54.55 | |
| 5 | Coleman | A | Sharp-Seil | Curtis | Lawrence | Wright | 54.66 | |
| 6 | TS Nurnberger | A | McKinin | Lalone | Ramirez | Smith | 55.91 | |
| 7 | Fulton | A | Arrington | Brown | Lin | Wang Burley | 57.00 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Beal City | A | Weber | Zeien | Calkins | Latham | 53.95 | |
| 2 | Ithaca | A | LeBaron | Paradise | Rohrs | Sheler II | 52.38 | |
| 3 | West Int. Mt. Pleasant | A | Creuger | Walton | Chaffin | Marshall | 51.77 | |
| 4 | Swan Valley | A | Booth | Charboneau | Stoney | Rankin | 50.09 | |
| 5 | Freeland | A | Smith | Brock | Heffron | Lynch | 51.00 | |
| 6 | Hemlock | A | Wenzel | Knapik | Barrows | Wenzel | 51.97 | |
| 7 | Montabella | A | Arganbright | Maybee | Strohl | Rodriguez | 53.51 | |
| 8 | Lakeview | A | Robinson | Vail | Figert | Zaborac | 54.32 |