Jacob Alfonso
United StatesActive- Events
- Mile Short Track · 3000 m
Jacob Alfonso is a United States middle-distance runner. He competes primarily in the 800m, 1500m and Mile.
His personal bests include 1:53.15 in the 800m, 3:49.25 in the 1500m, 4:06.95 in the Mile, 8:07.36 in the 3000m and 14:12.08 in the 5000m. He is currently active on the international athletics circuit, representing United States.
Personal best · Mile Short Track4:08.15
2026 season best4:08.15Jan 16, 2026 · The Podium, Spokane, WA
Personal best · 3000 m8:07.36
Last competition116th Drake RelaysApr 23, 2026 · 3:54.63
As of Nov 13, 2026: Mile Short Track 4:08.15, 3000 m 8:07.36, 2026 season best 4:08.15 (Jan 16, 2026, The Podium, Spokane, WA (USA)) · Last competition: 116th Drake Relays, Apr 23, 2026, 3:54.63
Personal bests
WA points calculator →DisciplineResultAll-time2026
800mIndoorWA 20251:53.15991 pts––
MileIndoorWA 20254:06.951,042 pts–#615
3000mIndoorWA 20258:07.361,035 pts––
3000m-short-trackWA 20268:37.74864 pts––
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 800m Indoor | 1:55.40 | – | Jan 17, 2026 | Spokane Indoor Challenge |
| 2026 | 800m-short-track | 1:55.40 | – | Jan 17, 2026 | Spokane Indoor Challenge |
| 2026 | 800m-short-track Indoor | 1:55.40 | – | Jan 17, 2026 | Spokane Indoor Challenge |
| 2026 | 1500m | 3:49.25 | – | Apr 3, 2026 | Stanford Invitational |
| 2026 | mile-short-track Indoor | 4:07.16 | – | Feb 7, 2026 | Riverfront Invitational & Multis, The Podium, Spokane, WA (i) - Collegiate |
| 2026 | Mile Indoor | 4:07.16 | – | Feb 7, 2026 | Riverfront Invitational & Multis, The Podium, Spokane, WA (i) - Collegiate |
| 2026 | mile-short-track | 4:08.15 | – | Jan 16, 2026 | Spokane Sports Showcase |
| 2026 | 3000m-short-track | 8:37.74 | – | Jan 31, 2026 | Inland Northwest Invitational |