Sean Korsmo

United StatesUnited StatesActive
Born
Nov 19, 2002 (23 years old)
Events
Mile Short Track · 1000 Metres Short Track

Sean Korsmo is a United States middle-distance runner, born on November 19, 2002. He competes primarily in the 800m, 1500m and Mile.

His personal bests include 1:50.40 in the 800m, 3:41.63 in the 1500m, 4:09.00 in the Mile, 3:59.96 in the Mile and 8:15.54 in the 3000m. He is currently active on the international athletics circuit, representing United States.

Personal best · Mile Short Track4:08.19
2026 season best4:08.19Jan 16, 2026 · Cliff Rovelto Indoor Track, Manhattan, KS
2026 season best
Personal best · 1000 Metres Short Track2:23.18
Last competitionAmerican Conference Outdoor Track & Field ChampionshipsMay 16, 2026 · 3:49.60
American Conference Outdoor Track & Field Championships

As of Nov 14, 2026: Mile Short Track 4:08.19, 1000 Metres Short Track 2:23.18, 2026 season best 4:08.19 (Jan 16, 2026, Cliff Rovelto Indoor Track, Manhattan, KS (USA)) · Last competition: American Conference Outdoor Track & Field Championships, May 16, 2026, 3:49.60 · 23 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
800mFL 2023United States 800 m all-time list1:50.401,015 pts––
1500mAR 2026United States 1500 m all-time list3:41.631,085 pts–#558
Mile2021United States Mile all-time list4:09.00967 pts––
MileIndoorIL 20243:59.961,131 pts–#328
3000mIndoorKS 20228:15.54987 pts––
3000m-short-trackIndoorKS 20228:15.54987 pts––

Progression

SeasonDisciplineResultWindDateCompetitions
20264x400Metre Indoor3:26.84–Jan 16, 2026Thane Baker Invitational
20264x400Metre 3:26.84–Jan 16, 2026Thane Baker Invitational
20261500m 3:41.63–May 8, 2026Arkansas Twilight
2026Mile Indoor4:02.99–Feb 28, 2026American Conference Indoor Track & Field Championships
2026mile-short-track Indoor4:02.99–Feb 28, 2026American Conference Indoor Track & Field Championships
2026mile-short-track 4:08.19–Jan 16, 2026Thane Baker Invitational
2026DistanceMe 9:53.28–Jan 30, 2026Washburn Open
2026DistanceMe Indoor9:53.28–Jan 30, 2026Washburn Open
FAQ

Frequently asked questions

Sean Korsmo's Mile Short Track personal best is 4:08.19, set on Jan 16, 2026 in Cliff Rovelto Indoor Track, Manhattan, KS (USA).

Sean Korsmo competes in the Mile Short Track and 1000 Metres Short Track.

2026 season best: 4:08.19, set on Jan 16, 2026 in Cliff Rovelto Indoor Track, Manhattan, KS (USA). Last competition: American Conference Outdoor Track & Field Championships on May 16, 2026, 3:49.60.