Having set several records in multiple age categories, over various distances and in different swimming disciplines, Carson Foster is now a 17-year-old athlete with just one dream: to become part of the USA's national team at the Olympic Games. The Olympic Games Tokyo 2020 should come just in time to see him break into the international elite alongside his biggest rival, none other than his brother Jake.

As the world marks the International Day of Families on 15 May, Olympic.org takes a look at some of the Youth Olympic Games athletes whose families have strong links to the YOG and the Olympic Games

The three archery events attracted large crowds at Parque Sarmiento, where the USA’s Trenton Cowles shone brighter than most, winning bronze in the mixed international team competition and gold in the men’s recurve individual. China’s Mengyao Zhang took the honours in the women’s individual competition, while France’s Kyla Touraine-Helias and Spain’s José Manuel Solera won the mixed team gold.

The fast-moving five-day combined team events at the Youth Olympic Games Buenos Aires 2018 came to an end on Thursday 17 October, with Denmark’s Sofie Heby Pedersen and Mie Saabye taking the women’s gold and Kazakhstan’s Gleb Brussenskiy and Yevgeniy Fedorov the men’s.

New Zealand’s Cailen Calkin is beyond exhausted. Normally a BMX racer, his body is designed for short, anaerobic bursts of speed. He has, he admits, “no endurance powers at all”. But on Saturday he did a cycling time trial, and on Sunday he competed in the road race - notoriously one of the most demanding feats in sport.

The cycling competition at the Youth Olympic Games Buenos Aires 2018, which begins on day 7, will be an exciting experiment combining road and mountain bike events designed to test riders to their limits.