Issac DE Buyst

Issac DE Buyst

FranceFranceActive
Born
Jun 25, 2001 (25 years old)
Events
800 m · 400 m

Issac DE Buyst is a France sprinter, born on June 25, 2001. He competes primarily in the 400m, 800m and 4x400m.

His personal bests include 48.95 in the 400m, 1:50.56 in the 800m, 3:08.59 in the 4x400m, 1:52.73 in the 800m-short-track and 1:52.73 in the 800m-short-track. He is currently active on the international athletics circuit, representing France.

Personal best · 800 m1:50.56
2026 season best1:50.59Jul 1, 2026 · Stade des Maradas, Cergy-Pontoise
2026 season best
Personal best · 400 m48.95
Last competitionOpen de France et Décathlon Féminin, Stade Jean Leroi, BloisJul 11, 2026 · 1:57.60
Open de France et Décathlon Féminin, Stade Jean Leroi, Blois

As of Nov 14, 2026: 800 m 1:50.56, 400 m 48.95, 2026 season best 1:50.59 (Jul 1, 2026, Stade des Maradas, Cergy-Pontoise (FRA)) · Last competition: Open de France et Décathlon Féminin, Stade Jean Leroi, Blois, Jul 11, 2026, 1:57.60 · 25 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
400mNantes 2025France 400 m all-time list48.95922 pts––
800mLa Roche-sur-Yon 2025France 800 m all-time list1:50.561,010 pts––
4x400mCergy-Pontoise 2025France 4 × 400 m all-time list3:08.59––
800m-short-trackEaubonne 20261:52.731,003 pts–#510
800m-short-trackIndoorEaubonne 20261:52.731,003 pts––
600mIndoorNantes 20251:22.11932 pts––

Progression

SeasonDisciplineResultWindDateCompetitions
2026800m 1:50.59–Jul 1, 2026Meeting National de La Roche-sur-Yon
2026800m-short-track 1:52.73–Jan 17, 2026Tempo Run League Eacpa indoor
2026800m-short-track Indoor1:54.71–Feb 1, 2026Meeting pré France en salle
2025400m 48.95–Jun 8, 2025Meeting régional RC Nantais, Stade Michel Lecointre, Nantes
2025600m-short-track Indoor1:22.11–Dec 19, 2025Meeting Sprint de l'ACL44, Stadium Pierre-Quinon, Nantes (i)
2025600m Indoor1:22.11–Dec 19, 2025Meeting Sprint de l'ACL44, Stadium Pierre-Quinon, Nantes (i)
2025800m 1:50.56–Jul 16, 2025Meeting National de La Roche-sur-Yon
2025800m-short-track Indoor1:54.92–Jan 19, 2025Championnats Régionaux U18 à Seniors en salle P-L, Stadium Pierre-Quinon, Nantes (i)
FAQ

Frequently asked questions

Issac DE Buyst's 800 m personal best is 1:50.56, set on Jul 16, 2025 in Stade Jules Ladoumegue, La Roche-sur-Yon (FRA).

Issac DE Buyst competes in the 800 m and 400 m.

2026 season best: 1:50.59, set on Jul 1, 2026 in Stade des Maradas, Cergy-Pontoise (FRA). Last competition: Open de France et Décathlon Féminin, Stade Jean Leroi, Blois on Jul 11, 2026, 1:57.60.