| Event | Heat | Status | |
|---|---|---|---|
| Boys 4x400 Meter Relay 15-16 years old (Prelims) | 2|8 | ||
| Thursday |
| Pl | Pos | Team | Time | L1-L2 | L3 | L4 | |
|---|---|---|---|---|---|---|---|
| 1 | 7 | WESTSIDE TRACK CLUB WEAC A |
3:24.26 | 1:41.90 [1:41.90] | 2:35.01 [53.11] | 3:24.26 [49.26] | |
| 2 | 4 | BEAST TEXAS TRACK CLUB BTAA A |
3:28.63 | 1:45.20 [1:45.20] | 2:38.08 [52.88] | 3:28.63 [50.56] | |
| 3 | 3 | JACOBS SPORTS ACADEMY JASA B |
3:29.02 | 1:43.93 [1:43.93] | 2:37.60 [53.67] | 3:29.02 [51.43] | |
| 4 | 5 | MOBETTAH TRACK CLUB MOAC A |
3:30.45 | 2:41.89 [2:41.89] | 3:30.45 [48.56] | ||
| 5 | 8 | ALL CENLA ELITE TRACK & FIELD ACET A |
3:37.84 | 1:55.30 [1:55.30] | 2:47.38 [52.08] | 3:37.84 [50.47] | |
| 6 | 6 | EAGLES ELITE EAAL A |
3:38.88 | 1:46.76 [1:46.76] | 2:43.43 [56.67] | 3:38.88 [55.46] | |
| 7 | 1 | ILLINOIS FLAMES ILFL B |
3:48.07 | 1:53.56 [1:53.56] | 2:48.32 [54.77] | 3:48.07 [59.75] | |
| 8 | 2 | ILLINOIS UNITED ILUN A |
4:04.20 | 2:02.46 [2:02.46] | 3:06.69 [1:04.24] | 4:04.20 [57.51] |
| Split | Intermediate Leader | Time | Fastest Split | Time |
|---|---|---|---|---|
| L1-L2 | Westside Track Club | 1:41.90 | Westside Track Club | 1:41.90 | L3 | Westside Track Club | 2:35.01 | Mobettah Track Club | 48.56 | L4 | Westside Track Club | 3:24.26 | Westside Track Club | 49.26 |