| MR | Stan Morgan | 42.34 | Kent, Gilchrist, Kent, Day | Harrisburg | 2018 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 2 | Trinity (3) | A | 47.79 | Verified | ||||
| 3 | Boiling Springs | A | Jones | Otto | Shannon | Davis | 45.70 | Unverified: |
| 4 | Red Land | A | Apa | Lightfoot | Snelbaker | Waltman | 46.98 | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 2 | Cedar Crest | A | Rios | Herzog | Santos | Gibbs | 44.19 | Verified |
| 3 | Susquehanna Township | A | Gay | Jenkins | Ambush | Yanich | DQ | Unverified: |
| 4 | Carlisle | A | Ravenel | Boback | Nunnally | Ramirez | 44.03 | Verified |
| 5 | Big Spring | A | Degregorio | Long | Robertson | Walter | 44.90 | Unverified: |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Dallastown | A | McDaniel | Phennicie | Asobayire | McLean | 43.74 | Verified |
| 2 | Lower Dauphin | A | Blessing | Kauffman | Little | Taleff | 43.30 | Unverified: |
| 3 | Harrisburg High School | A | 42.01 | Verified | ||||
| 4 | Chambersburg | A | Jones | Jones | Moses | Worrell | 42.78 | Verified |
| 5 | Cumberland Valley | A | Walker | Williams | Sheffield | Jaisingh | 43.58 | Unverified: |
| 6 | Red Lion | A | Kunce | Helf | Virata | Douglass | 43.80 | Unverified: |