William Aleksander Kollberg
NorwayActive- Born
- Apr 30, 2004 (22 years old)
- Events
- 400 m
William Aleksander Kollberg is a Norway sprinter, born on April 30, 2004. He competes primarily in the 100m, 400m and 1500m.
His personal bests include 11.87 in the 100m, 55.50 in the 400m, 5:12.66 in the 1500m, 1.88 in the HJ and 1.88 in the HJ. He is currently active on the international athletics circuit, representing Norway.
Personal best · 400 m55.50
2026 season best55.50Jun 13, 2026 · Friidrettsstadion, Jessheim
Last competitionNordic Championship Combined EventsJun 14, 2026 · 3.53
As of Oct 27, 2026: 400 m 55.50, 2026 season best 55.50 (Jun 13, 2026, Friidrettsstadion, Jessheim (NOR)) · Last competition: Nordic Championship Combined Events, Jun 14, 2026, 3.53 · 22 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | HJ | 1.75 | – | May 24, 2026 | Norwegian Combined Events Championships |
| 2026 | PV | 3.53 | – | Jun 14, 2026 | Nordic Championship Combined Events |
| 2026 | LJ | 5.69 | -0.9 | May 24, 2026 | Norwegian Combined Events Championships |
| 2026 | SP | 11.07 | – | Jun 13, 2026 | Nordic Championship Combined Events |
| 2026 | 100m | 11.87 | +0.4 | May 24, 2026 | Norwegian Combined Events Championships |
| 2026 | DT | 30.94 | – | Jun 14, 2026 | Nordic Championship Combined Events |
| 2026 | JT | 36.90 | – | May 25, 2026 | Norwegian Combined Events Championships |
| 2026 | 400m | 55.50 | – | Jun 13, 2026 | Nordic Championship Combined Events |