Rosie GROSS
Rosie GROSS is a United States relay runner. He competes primarily in the 4x400Metre.
His personal bests include 3:40.34 in the 4x400Metre. He is currently active on the international athletics circuit, representing United States.
2025 season best3:40.34Jun 21, 2025 · Hayward Field, Eugene, OR
Last competitionUSA U20 Championships, Hayward Field, Eugene, ORJun 21, 2025 · 3:40.34
As of Nov 13, 2026: 2025 season best 3:40.34 (Jun 21, 2025, Hayward Field, Eugene, OR (USA)) · Last competition: USA U20 Championships, Hayward Field, Eugene, OR, Jun 21, 2025, 3:40.34
Personal bests
DisciplineResultAll-time
4x400MetreOR 20253:40.34–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 4x400Metre | 3:40.34 | – | Jun 21, 2025 | USA U20 Championships, Hayward Field, Eugene, OR |