Declan SLAVIN

Declan SLAVIN is a United States middle-distance runner. He competes primarily in the 800m, Mile and 800m-short-track.

His personal bests include 1:55.11 in the 800m, 4:32.89 in the Mile, 1:55.11 in the 800m-short-track, 4:32.89 in the mile-short-track and 7:35.61 in the 4x800Metre. He is currently active on the international athletics circuit, representing United States.

2026 season best1:55.11Mar 14, 2026 · The Track at New Balance, Boston, MA (USA) (i)
Last competitionNew Balance Nationals IndoorsMar 15, 2026 · 4:32.89

As of Nov 13, 2026: 2026 season best 1:55.11 (Mar 14, 2026, The Track at New Balance, Boston, MA (USA) (i)) · Last competition: New Balance Nationals Indoors, Mar 15, 2026, 4:32.89

DisciplineResultAll-time
800mIndoorMA 20261:55.11937 pts–
MileIndoorMA 20264:32.89745 pts–
800m-short-trackIndoorMA 20261:55.11937 pts–
mile-short-trackIndoorMA 20264:32.89745 pts–
4x800MetreOR 20257:35.61–

Progression

SeasonDisciplineResultWindDateCompetitions
2026800m-short-track Indoor1:55.11–Mar 14, 2026New Balance Nationals Indoors
2026800m Indoor1:55.11–Mar 14, 2026New Balance Nationals Indoors
2026mile-short-track Indoor4:32.89–Mar 15, 2026New Balance Nationals Indoors
2026Mile Indoor4:32.89–Mar 15, 2026New Balance Nationals Indoors
20254x800Metre 7:35.61–Jun 22, 2025USA U20 Championships, Hayward Field, Eugene, OR