| Event | Heat | Status | |
|---|---|---|---|
| Boys 400 M (Prelims) | 28|43 | ||
| Saturday 8:00 AM | 
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Ark HS Inv | Justin Robinson - Gateway City | 46.77 | 1/12/2019 | 
| Pl | Pos | Athlete | Time | 200m | 300m | 400m | |
|---|---|---|---|---|---|---|---|
| 1 | 4 | Julian SANFORD Dallas Mustang [0]  | 
51.69 | 23.98 [23.98]  | 51.69 [27.71]  | ||
| 2 | 5 | Cooper LAKIN Jenks [SR]  | 
51.76 | 24.46 [24.46]  | 51.76 [27.30]  | ||
| 3 | 3 | Harvey TREVINO Real Training [0]  | 
55.17 | 25.03 [25.03]  | 55.17 [30.15]  | ||
| 4 | 6 | Joshua VASQUEZ Edmond North [SR]  | 
55.32 | 24.92 [24.92]  | 55.32 [30.41]  | ||
| 5 | 1 | Colton MILLER II Lane  | 
1:00.24 | 29.28 [29.28]  | 1:00.24 [30.96]  | ||
| 6 | 2 | Landon ALEXANDER Greenwood [SO]  | 
1:04.84 | 29.19 [29.19]  | 1:04.84 [35.65]  | 
| Split | Intermediate Leader | Time | Fastest Split | Time | 
|---|---|---|---|---|
| 200m | Julian SANFORD | 23.98 | Julian SANFORD | 23.98 | 300m | Julian SANFORD | 51.69 | Cooper LAKIN | 27.30 |