Miles Jeffries

United StatesUnited StatesActive
Events
400 m

Miles Jeffries is a United States sprinter. He competes primarily in the 200m, 400m and 4x400Metre.

His personal bests include 23.14 in the 200m, 49.13 in the 400m, 3:39.60 in the 4x400Metre, 8.87 in the 60m and 8.87 in the 60m. He is currently active on the international athletics circuit, representing United States.

Personal best · 400 m49.13
2026 season best49.13Jun 13, 2026 · Bentley University Dana Athletic Center, Waltham, MA
2026 season best
Last competitionBattle Road Twilight Series Meet 4Jun 13, 2026 · DNS
Battle Road Twilight Series Meet 4

As of Nov 13, 2026: 400 m 49.13, 2026 season best 49.13 (Jun 13, 2026, Bentley University Dana Athletic Center, Waltham, MA (USA)) · Last competition: Battle Road Twilight Series Meet 4, Jun 13, 2026, DNS

Personal bests

WA points calculator →
DisciplineResultAll-time2026
200mIndoorMA 202523.14833 pts––
400mMA 2026United States 400 m all-time list49.13911 pts––
4x400MetreOR 20253:39.60––
60mIndoorMA 20268.87229 pts––
60mMA 20268.87229 pts––
400m-short-trackIndoorMA 202552.21790 pts––

Progression

SeasonDisciplineResultWindDateCompetitions
202660m 8.87–Jan 31, 2026Boston University John Thomas Terrier Classic
202660m Indoor8.87–Jan 31, 2026Boston University John Thomas Terrier Classic
2026200m Indoor23.33–Jan 24, 2026Dr. Sander Scorcher
2026200m-short-track Indoor23.33–Jan 24, 2026Dr. Sander Scorcher
2026200m-short-track 23.33–Jan 24, 2026Dr. Sander Scorcher
2026400m 49.13–Jun 13, 2026Battle Road Twilight Series Meet 4
2026500m-short-track Indoor1:05.67–Jan 31, 2026Boston University John Thomas Terrier Classic
2026500m-short-track 1:05.67–Jan 31, 2026Boston University John Thomas Terrier Classic
FAQ

Frequently asked questions

Miles Jeffries's 400 m personal best is 49.13, set on Jun 13, 2026 in Bentley University Dana Athletic Center, Waltham, MA (USA).

Miles Jeffries competes in the 400 m.

2026 season best: 49.13, set on Jun 13, 2026 in Bentley University Dana Athletic Center, Waltham, MA (USA). Last competition: Battle Road Twilight Series Meet 4 on Jun 13, 2026, DNS.