Louis Serafini
United StatesActive- Born
- Sep 20, 1991 (35 years old)
- Events
- Mile Short Track · 5000 Metres Short Track
Louis Serafini is a United States middle-distance runner, born on September 20, 1991. He competes primarily in the 800m, 800m and 1500m.
His personal bests include 1:55.79 in the 800m, 1:55.07 in the 800m, 3:42.73 in the 1500m, 3:59.33 in the Mile and 4:00.42 in the Mile. He is currently active on the international athletics circuit, representing United States.
Personal best · Mile Short Track3:59.33
2026 season best2:15:40Apr 20, 2026 · Boston, MA
Personal best · 5000 Metres Short Track13:47.97
Last competitionBoston MarathonApr 20, 2026 · 2:15:40
As of Nov 6, 2026: Mile Short Track 3:59.33, 5000 Metres Short Track 13:47.97, 2026 season best 2:15:40 (Apr 20, 2026, Boston, MA (USA)) · Last competition: Boston Marathon, Apr 20, 2026, 2:15:40 · 35 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
800mIndoorMA 20101:55.07938 pts––
MileIndoorMA 20183:59.331,139 pts––
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | Marathon | 2:15:40 | – | Apr 20, 2026 | Boston Marathon |
| 2024 | Marathon | 2:17:09 | – | Feb 3, 2024 | U.S. Olympic Team Trials - Marathon |
| 2022 | mile-short-track Indoor | 4:04.73 | – | Feb 5, 2022 | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2022 | Mile Indoor | 4:04.73 | – | Feb 5, 2022 | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2022 | mile-short-track | 4:04.73 | – | Feb 5, 2022 | – |
| 2022 | 10000m | 29:09.78 | – | Mar 6, 2022 | JSerra Catholic HS, San Juan Capistrano, CA (USA) |
| 2022 | 15Kilometr | 45:59 | – | Nov 13, 2022 | Schenectady, NY (USA) |
| 2022 | Semi | 1:03:49 | – | Jan 16, 2022 | Aramco Houston Half Marathon |