Julia Lipnitskaya, 15, figure skating

In 2014, 15-year-old Russian Julia Lipnitskaya won Olympic gold at home in Sochi.

She was part of the team that took home the victory in the team competition in figure skating.

Momiji Nishiya, 13, skateboard

Skateboard debuts at the Olympics in Tokyo and in the branch street the Japanese won the gold.

On the podium, she was joined by Rayssa Leal, 13, from Brazil, and the bronze medalist Funa Nakayama, 16, from Japan.

Chloe Kim, 17, snowboarding

The American snowboarder had to stand at the top of the podium in Pyeongchang 2018 and thus became the youngest snowboarder to win an Olympic gold.

Michael Phelps, 19, swimming

Just turned 19, American Michael Phelps swam home eight medals.

From Athens in 2004 he came home with six gold and two bronze.

Michael Phelps won over compatriot Erik Vendt who took silver in the 400 meters in Athens in 2004. Photo: Anders Wiklund / TT

Mima Ito, 15, table tennis

In Rio de Janiero 2016, the Japanese won a bronze medal.

Now in Tokyo, she took home the gold in mixed doubles.

Ulrika Knape, 17, swimming

Swedish Ulrika Knape was 17 years old when she was to accompany her to the Olympics in Munich in 1972 to "see and learn".

But the debutant struck the swimming world with astonishment and won two Olympic medals, one gold and one silver.

Debbie Meyer, 16, swimming

In Mexico City in 1968, the American became the first female swimmer to win three individual gold medals in an Olympics.

Toni Nieminen, 16, backhopp

The Finn won two gold and one bronze in Albertville in 1992. The same year he also won in Holmenkollen.

Ulrika Knape in Munich 1972, together with second place Milena Duchkova, Czechoslovakia and third Marina Janicke, East Germany.

Photo: EPU / TT

Nadia Comaneci, 14, gymnastics

After four European Championship golds as a thirteen-year-old, the Romanian entered the Olympic Games as a favorite.

She left Montreal in 1976 with three gold, one silver and one bronze medal and was later named Sportswoman of the Year in the world.

Nils Skoglund, 14, swimming

Sweden's youngest Olympic medalist ever, only 14 years old, he jumped home silver Antwerp 1920.

Simone Biles, 19, gymnastics

The 19-year-old left Rio de Janiero in 2016 with five medals, four gold and one bronze.

During the Olympics in Tokyo, Biles has broken competitions with reference to the fact that she feels mentally ill, which she has received great support for around the world.

Martin Höllwarth, 17, back jump

The 17-year-old from Austria won three silver medals in Albertville in 1992, one of which was in a team competition.

Simone Biles left Rio de Janiero in 2016 with five medals, four gold and one bronze.

Photo: AP

Greta Johansson, 17, swimming

Sweden's first female gold medalist when she won the medal at home in Stockholm in 1912, in the ladies' high straight trampoline jump.

Yoon-Mi Kim, 13, skater

In Lillehammar in 1994, the South Korean won gold on the short course and also won gold again four years later in Nagano.

Franciscus Hin, 14, sailing

The 14-year-old was part of the Dutch team that sailed ashore the Olympic gold in Antwerp in 1920.

Ian Thrope, 17, swimming

The Australian swimmer won three gold medals at home in Sydney in 2000. Thrope has 52 in shoe size, which is said to have helped him in his career with a total of nine Olympic medals.

Goalkeeper Kim Martin after the 2-1 victory over Finland that gave bronze in Salt Lake City in 2002. Photo: Claudio Bresciani / TT

Ramón Fonst, 16, fencing

Ramón Fonst from Cuba is one of the best fencers of all time.

During the Paris Olympics in 1900, he won both gold and silver.

Kim Martin, 15, hockey

Goalkeeper Kim Martin was only 15 when she won bronze with the women's crowns in Salt Lake City in 2002. During the 2006 Olympics, she was named the tournament's best goalkeeper.

Ayumu Hirano, 15, snowboard

Japan won silver medals in the halfpipe at the 2014 Winter Olympics in Sochi and 2018 in Pyeongchang.

Dimitrios Loundras, 10, gymnastics

The youngest known Olympic medalist to date. At the first modern Olympics in Athens in 1896, the ten-year-old was part of the team that won bronze in the branch of conifers.