Isabelle Mccullough

United StatesUnited StatesActive

Isabelle Mccullough is a United States middle-distance runner. He competes primarily in the Mile, 5000m and 3000mSt.

His personal bests include 5:11.73 in the Mile, 18:25.37 in the 5000m, 11:23.25 in the 3000mSt, 18:34.72 in the 5000m-short-track and 11:07.36 in the 2Miles. He is currently active on the international athletics circuit, representing United States.

2026 season best11:23.25May 15, 2026 · UTA Maverick Stadium, Arlington, TX
2026 season best
Last competitionWestern Athletic Conference Outdoor Track and Field ChampionshipsMay 16, 2026 · 18:25.37
Western Athletic Conference Outdoor Track and Field Championships

As of Nov 14, 2026: 2026 season best 11:23.25 (May 15, 2026, UTA Maverick Stadium, Arlington, TX (USA)) · Last competition: Western Athletic Conference Outdoor Track and Field Championships, May 16, 2026, 18:25.37

Personal bests

WA points calculator →
DisciplineResultAll-time
MileOR 2024United States Mile all-time list5:11.73374 pts–
5000mTX 2026United States 5000 m all-time list18:25.37311 pts–
3000mStTX 2026United States 3000 m steeplechase all-time list11:23.25489 pts–
5000m-short-trackIndoorID 202618:34.72307 pts–
2MilesOR 202411:07.36–

Progression

SeasonDisciplineResultWindDateCompetitions
20263000mSt 11:23.25–May 15, 2026Western Athletic Conference Outdoor Track and Field Championships
20265000m 18:25.37–May 16, 2026Western Athletic Conference Outdoor Track and Field Championships
20265000m-short-track Indoor18:34.72–Feb 13, 2026Mountain State Games
2024Mile 5:11.73–Jun 15, 2024Nike Outdoor Nationals, Hayward Field, Eugene, OR - Championship High School Event
20242Miles 11:07.36–Jun 14, 2024Nike Outdoor Nationals, Hayward Field, Eugene, OR - Championship High School Event