Guillermina Cossio
ArgentinaActive- Born
- Nov 16, 2000 (25 years old)
- Events
- 100 m · 200 m
Guillermina Cossio is a Argentina sprinter, born on November 16, 2000. She competes primarily in the 100m, 200m and 400m.
Her personal bests include 11.68= in the 100m, 23.67 in the 200m, 55.00 in the 400m, 45.02 in the 4x100m and 3:45.67 in the 4x400m. She has earned 1 gold, 2 silver and 4 bronze medals in major international competitions. She is currently active on the international athletics circuit, representing Argentina.
Personal best · 100 m11.68=
2026 season best23.62Jul 24, 2026 · Estadio Vallehermoso, Madrid
National record24.25200 Metres Short Track
Personal best · 200 m23.67
As of Oct 27, 2026: 100 m 11.68=, 200 m 23.67, 2026 season best 23.62 (Jul 24, 2026, Estadio Vallehermoso, Madrid (ESP)) · Last competition: South American Games, Sep 22, 2026, 45.35 · National record (200 Metres Short Track) · 25 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 200m | 23.62 | +0.6 | Jul 24, 2026 | Spanish Championships |
| 2026 | 200m-short-track Indoor | 24.25 | – | Feb 27, 2026 | Spanish Indoor Championships |
| 2026 | 4x100Metre | 41.76 | – | May 30, 2026 | Ibero American Athletics Championships |
| 2026 | 4x100m | 45.02 | – | May 31, 2026 | Ibero American Athletics Championships |
| 2026 | 400m | 55.00 | – | Jun 20, 2026 | Estadio Vallehermoso, Madrid (ESP) |
| 2026 | 400m-short-track Indoor | 56.03 | – | Feb 14, 2026 | Spanish Indoor Clubs Championships (Joma Trophy and Iberdrola Trophy), Velódromo Luis Puig, Valencia (i) |
| 2026 | 400m-short-track | 56.65 | – | Jan 24, 2026 | II Trofeo Atletismo Ciudad de Salamanca short track |
| 2026 | 4x400Metre | 3:20.94 | – | May 29, 2026 | Ibero American Athletics Championships |