Sergej Kostić
SerbiaActive- Born
- Apr 2, 2008 (18 years old)
- Events
- 10 Kilometres Road · 3000 Metres Short Track
Sergej Kostić is a Serbia long-distance runner, born on April 2, 2008. He competes primarily in the 3000m, 3000m and 5000m.
His personal bests include 8:48.27 in the 3000m, 8:29.79 in the 3000m, 15:17.22 in the 5000m, 6:10.67 in the 2000m and 6:10.67 in the 2000Metres. He has earned 1 gold medal in major international competitions. He is currently active on the international athletics circuit, representing Serbia.
Personal best · 10 Kilometres Road30:34
2026 season best30:52Sep 5, 2026
Personal best · 3000 Metres Short Track8:41.38
Last competition10K Belgrade Nike RunSep 5, 2026 · 30:52
As of Oct 27, 2026: 10 Kilometres Road 30:34, 3000 Metres Short Track 8:41.38, 2026 season best 30:52 (Sep 5, 2026) · Last competition: 10K Belgrade Nike Run, Sep 5, 2026, 30:52 · 18 years old
Personal bests
WA points calculator →DisciplineResultAll-time
3000mKraljevo 20248:48.27792 pts–
3000mIndoorBeograd 20258:29.79907 pts–
2000mIndoorBeograd 20226:10.67559 pts–
2000Metres20226:10.67–
2000MetresIndoorBeograd 20226:10.67–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 3000m Indoor | 8:41.38 | – | Feb 1, 2026 | Serbian U20 Indoor Championships |
| 2026 | 3000m-short-track | 8:41.38 | – | Feb 1, 2026 | Serbian U20 Indoor Championships |
| 2026 | 3000m-short-track Indoor | 8:41.38 | – | Jan 31, 2026 | Serbian U20 Indoor Championships |
| 2026 | 5000m | 14:20.76 | – | Jul 25, 2026 | Serbian Championships |
| 2026 | 10Kilometr | 30:52 | – | Sep 5, 2026 | 10K Belgrade Nike Run |
| 2025 | 3000m Indoor | 8:29.79 | – | Feb 23, 2025 | Serbian Indoor Championships, Atletska dvorana, Beograd (i) |
| 2025 | 3000m-short-track Indoor | 8:29.79 | – | Feb 23, 2025 | Serbian Indoor Championships, Atletska dvorana, Beograd (i) |
| 2025 | 10Kilometr | 30:34 | – | May 1, 2025 | International Road Race Under 20 - Trofeo Opitergium 5km & 10km |