| Cook Islands at the 2018 Summer Youth Olympics | |
|---|---|
 | |
| IOC code | COK |
| NOC | Cook Islands Sports and National Olympic Committee |
| in Buenos Aires, Argentina 6 – 18 October 2018 | |
| Competitors | 1 in 1 [1] sports |
| Medals |
|
| Summer Youth Olympics appearances | |
Cook Islands participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
The Cook Islands qualified 1 athlete.
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Bede Aitu | 50 metre backstroke | 28.90 | 24 | did not advance | |||
| 100 metre backstroke | 1:03.49 | 25 | did not advance | ||||
The 2018 Summer Youth Olympics, officially known as the III Summer Youth Olympic Games, and commonly known as Buenos Aires 2018, were an international sports, cultural, and educational event held from 6 to 18 October 2018 in Buenos Aires, Argentina. They were the first Youth Olympic Games held outside of Eurasia, and the first Summer Games held outside of Asia and the first to be held in the Western and Southern hemispheres. It was the second Olympic Games held in South America after the 2016 Summer Olympics in Rio de Janeiro, Brazil.
The Philippines participated at the 2018 Summer Youth Olympics, in Buenos Aires, Argentina from 6 October to 18 October 2018.
Athletics at the 2018 Summer Youth Olympics was held from 11 to 16 October. The events took place at the Parque Olímpico de la Juventud in Buenos Aires, Argentina.
Canada competed at the 2018 Summer Youth Olympics, in Buenos Aires, Argentina from October 6th to 18th.
Colombia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
India participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018. India managed their best ever medal haul of the Youth Olympics in this edition. Among the 206 participating nations, India ranked 17th on the medals tally.
Japan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018. Japan competes in 23 events and brought home 39 medals. It was the rehearsal of the hosting Summer Olympics as Tokyo was the host of the 2020 games which was held from 23 July to 8 August 2021.
Denmark participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
New Zealand participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina, from 6 October to 18 October 2018.
Hong Kong participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 to 18 October 2018.
Jordan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Romania participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Slovakia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Malaysia competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018. The chef-de-mission of the contingent was former two-time Olympian archer Cheng Chu Sian. Malaysia won its first gold medal at an Olympic event, having previously won silver and bronze medals.
San Marino participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
The Bahamas participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Barbados participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Bermuda participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Bhutan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
British Virgin Islands participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.