Pieter Sisk

{{Short description|Belgian middle-distance runner}}

{{Infobox sportsperson

| name = Pieter Sisk

| fullname =

| nickname =

| image = Pieter_Sisk-1547751950.jpg

| imagesize =

| caption = Sisk in 2019

| nationality = Belgian

| sport = Track and field

| event = 800m, 1500m, 3000m

| universityteam =

| club = {{ill|Daring Club Leuven Atletiek|nl}}

| turnedpro =

| birth_date = {{Birth date and age|1999|12|8|df=y}}

| birth_place = Leuven, Belgium

| country = {{BEL}}

| coach = Ivo Hendrix{{cite web | url=https://web.archive.org/web/20180830041408/http://www.atletiek.be/competitie/topsporters/b-elitelijst-2018/pieter-sisk | title=Pieter Sisk | work=atletiek.be | accessdate=2 June 2024}}

| height = 1.91 m

| weight =

| pb =

| medaltemplates =

}}

Pieter Sisk (born 8 December 1999) is a Belgian middle-distance runner, who specializes in the 800 metres.{{iaaf name|14681333}}

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.{{cite web | url=https://www.european-athletics.com/historical-data/athletes/belgium/pieter-sisk-14681333 | title=Pieter Sisk | publisher=European Athletic Association | work=european-athletics.com | accessdate=2 June 2024}}{{cite web | url=https://www.atni.be/2024/05/25/pieter-sisk-slaat-magische-dubbelslag-met-kwalificatie-voor-olympische-spelen-en-ek/ | title=Pieter Sisk slaat magische dubbelslag met kwalificatie voor Olympische Spelen en EK | work=atni.be | date=25 May 2024 | accessdate=3 June 2024}}{{cite web | url=https://sporza.be/nl/2024/05/25/pieter-sisk-loopt-een-toptijd-op-de-800-meter-en-loopt-limiet-vo~1716666276796/ | title=Pieter Sisk loopt een toptijd op de 800 meter en loopt limiet voor EK én Olympische Spelen | work=Sporza | date=25 May 2024 | accessdate=3 June 2024}} At the Olympics, he failed to qualify for the semi-finals after finishing 6th in the heats and 3rd in the repechages.{{cite web | url=https://www.rtl.be/sport/tous-les-sports/autres-sports/pieter-sisk-change-dapproche-pour-les-repechages-en-vain/2024-08-08/article/698625 | title=Pieter Sisk a changé d'approche pour les repêchages, en vain | website=www.rtl.be | date=8 August 2024 | accessdate=15 August 2024 | language=french}}