Jani Seys

BelgiumBelgiumActive
Events
400 m

Jani Seys is a Belgium sprinter. He competes primarily in the 400m and 4x400Metre.

His personal bests include 51.14 in the 400m and 3:39.91 in the 4x400Metre. He is currently active on the international athletics circuit, representing Belgium.

Personal best · 400 m51.14
2026 season best50.80Aug 29, 2026 · Boudewijnstadion, Bruxelles
2026 season best
Last competitionBelgian U18 ChampionshipsAug 29, 2026 · 50.80
Belgian U18 Championships

As of Nov 13, 2026: 400 m 51.14, 2026 season best 50.80 (Aug 29, 2026, Boudewijnstadion, Bruxelles (BEL)) · Last competition: Belgian U18 Championships, Aug 29, 2026, 50.80

Personal bests

WA points calculator →
DisciplineResultAll-time
400mBruxelles 2026Belgium 400 m all-time list51.14792 pts–
4x400MetreAntwerpen 20253:39.91–

Progression

SeasonDisciplineResultWindDateCompetitions
2026400m 50.80–Aug 29, 2026Belgian U18 Championships
20254x400Metre 3:39.91–May 18, 2025Beker Van Vlaanderen Landelijke 1
FAQ

Frequently asked questions

Jani Seys's 400 m personal best is 51.14, set on May 23, 2026 in Boudewijnstadion, Bruxelles (BEL).

Jani Seys competes in the 400 m.

2026 season best: 50.80, set on Aug 29, 2026 in Boudewijnstadion, Bruxelles (BEL). Last competition: Belgian U18 Championships on Aug 29, 2026, 50.80.