Photo: Tomas Sisk—CC BY-SA 4.0
Pieter Sisk
BelgiumActive- Born
- Dec 8, 1999 (26 years old)
- Birthplace
- Leuven, Belgium
- Events
- Mile Short Track · 1500 Metres Short Track
Pieter Sisk is a Belgian middle-distance runner, who specializes in the 800 metres.
Sisk qualified for the 800 meters at the 2024 Summer Olympics with his time of 1:44.46, which he ran in Brussels on 25 May 2024.
At the Olympics, he failed to qualify for the semi-finals after finishing 6th in the heats and 3rd in the repechages.
Personal best · Mile Short Track3:50.31
2026 season best3:50.31Jan 31, 2026 · Boston Univ. Track & Tennis Center, Boston, MA
National record3:50.31Mile
Personal best · 1500 Metres Short Track3:33.32
As of Oct 27, 2026: Mile Short Track 3:50.31, 1500 Metres Short Track 3:33.32, 2026 season best 3:50.31 (Jan 31, 2026, Boston Univ. Track & Tennis Center, Boston, MA (USA)) · Last competition: New Balance 5th Avenue Mile, Sep 13, 2026, 3:51.4h · National record (Mile) · 26 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | MileRoad | 3:51.4h | – | Sep 13, 2026 | New Balance 5th Avenue Mile |
| 2026 | 800m | 1:46.38 | – | May 17, 2026 | Super League Interclub M+V |
| 2026 | 1500m-short-track | 3:33.32 | – | Jan 31, 2026 | Boston University John Thomas Terrier Classic |
| 2026 | 1500m Indoor | 3:33.92 | – | Jun 17, 2026 | Meeting International de Montreuil |
| 2026 | 1500m | 3:33.92 | – | Jun 17, 2026 | Meeting International de Montreuil |
| 2026 | 1500m-short-track Indoor | 3:35.82 | – | Feb 8, 2026 | INIT Indoor Meeting Karlsruhe |
| 2026 | Mile Indoor | 3:50.31 | – | Jan 31, 2026 | Boston University John Thomas Terrier Classic |
| 2026 | mile-short-track Indoor | 3:50.31 | – | Jan 31, 2026 | Boston University John Thomas Terrier Classic |