| Black Diamond Classic | Date: May 7, 2018 Venue: Coal City - Coal City, IL |
Boys 4 x 400m Relay
| Finals: Heat #1|2 |
|
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| Place | Overall | Team | Time | Score |
|---|---|---|---|---|
| 1 | 5 | Manteno (Prather, Malloy, Hyzy, Ledesma) | 3:56.24 | 2 |
| 2 | 6 | Wilmington (Patterson, Kreitz, Batson, Homerding) | 4:04.67 | 1 |
| 3 | 7 | Coal City (Buckner, VanDerKarr, Johnson, Parks) | 4:15.56 | - |
Finals: Heat #2
|
| Place | Overall | Team | Time | Score |
|---|---|---|---|---|
| 1 | 1 | Herscher (Becker, Pritchard, Sommer, Schultz) | 3:39.95 | 10 |
| 2 | 2 | Morris (Cole, Ochoa, Grant, Perez) | 3:40.04 | 8 |
| 3 | 3 | Prairie Central (King, Loveless, Bachtold, Haab) | 3:41.60 | 6 |
| 4 | 4 | Plano (Williams, Rodriguez, Esparza, Lazarit) | 3:47.33 | 4 |