WATCH: Jayden Horton-Mims and Quincy Wilson Battle at the East Coast International Showcase.
One of Pennsylvania's best, challenged the nation's best in a 400m duel at the East Coast International Showcase on Saturday.
Though Quincy Wilson (Bullis) made up the stagger quickly, Jayden Horton-Mims (Imhotep) responded to Wilson's early move and gave him a challenge down the stretch. Wilson ran a personal best 45.17, while Horton-Mims crossed the line in 45.82.
Wilson's run was a US No. 8 All-Time mark, while Horton-Mims managed to hit a PA No. 2 All-Time Mark. Only William Reed (Central) has run faster, 45.17 in 1987.
Ade Lloyd (Harriton) was also in the race and posted a 48.60 to finish ninth overall.
Top 10 Finishers (Full Results)
| PLACE | VIDEO | ATHLETE | TEAM | MARK | WIND | HEAT | |
|---|---|---|---|---|---|---|---|
| 1 |  Quincy Wilson | 10 | Bullis School | 45.17 | 1 | ||
| 2 |  Jayden Horton-Mims | 11 | Imhotep Institute Charter | 45.82 | 1 | ||
| 3 |  Nicholas C Spikes | 12 | Paint Branch High School | 47.29 | 1 | ||
| 4 |  Furious Trammel | 12 | Catoctin High School | 47.57 | 1 | ||
| 5 |  Joshua Davenport | 12 | Speed Evolutions Athletic Club | 47.98 | 1 | ||
| 6 |  LaMont Johnson | 11 | Digital Harbor High School | 48.06 | 1 | ||
| 7 |  ROSHANE LORENZO SYMISTER | 12 | Jamaica College | 48.11 | 1 | ||
| 8 |  Joshua Gresham | 12 | DeMatha Catholic High School | 48.27 | 1 | ||
| 9 |  Ade Lloyd | 11 | Harriton | 48.60 | 1 | ||
| 10 |  David Etafo | 11 | The Speed Academy Athletics Club | 48.64 | 1 |