Isaiah Muse

Isaiah Muse

United StatesUnited StatesActive
Events
400 m · 300 Metres Short Track

Isaiah Muse is a United States sprinter. He competes primarily in the 100m, 200m and 400m.

His personal bests include 10.44 in the 100m, 20.88 in the 200m, 49.14 in the 400m, 41.74 in the 4x100m and 3:16.82 in the 4x400m. He is currently active on the international athletics circuit, representing United States.

Personal best · 400 m49.14
2026 season best50.47Apr 18, 2026 · Leslie C. Quick Jr. Stadium, Chester, PA
2026 season best
Personal best · 300 Metres Short Track35.70
Last competitionMt. SAC RelaysApr 18, 2026 · 10.49
Mt. SAC Relays

As of Nov 13, 2026: 400 m 49.14, 300 Metres Short Track 35.70, 2026 season best 50.47 (Apr 18, 2026, Leslie C. Quick Jr. Stadium, Chester, PA (USA)) · Last competition: Mt. SAC Relays, Apr 18, 2026, 10.49

Personal bests

WA points calculator →
DisciplineResultAll-time2026
100mCA 2026United States 100 m all-time list10.44*1,059 pts––
200mCA 2026United States 200 m all-time list20.881,085 pts–#542
400mSC 2023United States 400 m all-time list49.14910 pts––
4x100mNC 2023United States 4 × 100 m all-time list41.74––
4x400mNC 2023United States 4 × 400 m all-time list3:16.82––
400m-short-track202251.99803 pts––

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026100m 10.44+3.4Apr 3, 2026Stanford Invitational
2026200m 20.88+0.2Apr 18, 2026Mt. SAC Relays
2026400m 50.47–Apr 18, 2026Paul Donahue Invitational
2026400m-short-track Indoor52.24–Feb 1, 2026Widener Schuylkill Showcase
2026400m-short-track 52.24–Feb 1, 2026Widener Schuylkill Showcase
2024200m Indoor23.49–Feb 9, 2024Music City Challenge, Vanderbilt Multipurpose Facility, Nashville, TN (i) - Invitational Events
2024300m Indoor35.70–Jan 19, 2024Hokie Invitational, Rector Fieldhouse, Blacksburg, VA (i)
2024300m-short-track Indoor35.70–Jan 19, 2024Hokie Invitational, Rector Fieldhouse, Blacksburg, VA (i)
FAQ

Frequently asked questions

Isaiah Muse's 400 m personal best is 49.14, set on May 11, 2023 in Winthrop Irwin Belk Track & Field Complex, Rock Hill, SC (USA).

Isaiah Muse competes in the 400 m and 300 Metres Short Track.

2026 season best: 50.47, set on Apr 18, 2026 in Leslie C. Quick Jr. Stadium, Chester, PA (USA). Last competition: Mt. SAC Relays on Apr 18, 2026, 10.49.