Thomas Groseillier

FranceFranceActive
Born
Jan 1, 2006 (20 years old)
Events
10 Kilometres Road · 1500 m

Thomas Groseillier is a France middle-distance runner, born on January 1, 2006. He competes primarily in the 800m, 1500m and 3000m.

His personal bests include 1:57.81 in the 800m, 3:47.88 in the 1500m, 8:24.13 in the 3000m, 13:59.64 in the 5000m and 14:06 in the 5Kilometre. He is currently active on the international athletics circuit, representing France.

Personal best · 10 Kilometres Road30:13
2026 season best2:27.75Apr 24, 2026 · Stade P. Bourdon, Caluire
Personal best · 1500 m3:47.88
Last competitionFrench U23 ChampionshipsJul 16, 2026 · 14:18.76

As of Nov 14, 2026: 10 Kilometres Road 30:13, 1500 m 3:47.88, 2026 season best 2:27.75 (Apr 24, 2026, Stade P. Bourdon, Caluire (FRA)) · Last competition: French U23 Championships, Jul 16, 2026, 14:18.76 · 20 years old

DisciplineResultAll-time2026
800mTassin 2024France 800 m all-time list1:57.81816 pts––
1500mVillefranche-sur-Saone 2026France 1500 m all-time list3:47.881,004 pts––
3000mSt-Etienne 2026France 3000 m all-time list8:24.13919 pts––
5000mBruxelles 2026France 5000 m all-time list13:59.641,001 pts––
5KilometreLille 202614:06–#304
1500m-short-trackIndoorAubière 20234:04.13845 pts––

Progression

SeasonDisciplineResultWindDateCompetitions
20261000m 2:27.75–Apr 24, 2026Soirée 1000m
20261500m 3:47.88–May 17, 2026Finale Interclubs N2 AURA
20263000m 8:24.13–May 3, 20261er Tour Interclubs Elite AURA
20265000m 13:59.64–May 23, 2026IFAM Outdoor
20265Kilometre 14:06–Apr 4, 2026Urban Trail de Lille - 5 et 10km
2026CrossCount 33:32–Mar 8, 2026French Cross Country Championships, Carhaix - XC 4.658km
20251000m 2:30.85–Apr 18, 2025Soirée 1000m
20255000m 14:40.70–Jul 5, 2025Meeting National Est Lyonnais
FAQ

Frequently asked questions

Thomas Groseillier's 10 Kilometres Road personal best is 30:13, set on Mar 16, 2025 in Lille (FRA).

Thomas Groseillier competes in the 10 Kilometres Road and 1500 m.

2026 season best: 2:27.75, set on Apr 24, 2026 in Stade P. Bourdon, Caluire (FRA). Last competition: French U23 Championships on Jul 16, 2026, 14:18.76.