Kokona Hiraki

Kokona Hiraki or Cocona Hiraki (開心那) is a Japanese skateboarder. She won a silver medal in the women's park event at the 2020 Tokyo Olympics, becoming the youngest Japanese athlete on record to participate in the Summer Olympic Games.

Career
Hiraki began skateboarding at age 5. At age 9, she placed fourth in the women's park event at the 2nd Japan National Skateboarding Championships in May 2018, and participated in her first international event, the Vans Park Series Asia Continental Championship in August 2018, at which she placed first.

Hiraki made her global competition debut at age 10, finishing seventh in the women's event at the 2018 Park World Championship (also called the World Skate Tour (WST) Park World Championship) of the World Skateboarding Championship in Nanjing. Eight months later, she won silver in women's park at the X Games Minneapolis 2019 to become the youngest X Games medalist in history. She earned her first first-place finish on the global circut at the Vans Park Series (VPS) Paris in 2019, several weeks before her eleventh birthday.

At the 2019 edition of the Park World Championship in São Paulo, she finished outside of the women's finals in eleventh place. Despite falling outside of the medal table at the 2021 Dew Tour in Des Moines, Iowa, US, Hiraki's fifth place finish at the event earned placement at sixth on World Skate's World Skateboarding Ranking and qualified her for the 2020 Summer Olympics.

Hiraki made history as Japan's youngest Summer Olympic Games participant and medalist when she won silver at the inaugural Olympic women's park event at the 2020 Summer Olympics in Tokyo on 4 August 2021.

During 2022, she won silver at the X Games Chiba 2022 in Chiba, Japan on 23 April, bronze at the X Games 2022 in Vista, California, US on 23 July, and bronze at the 2022 Dew Tour in Des Moines, Iowa, US on 30 July. and

Hiraki earned podium placement at five of the six qualification events for the 2024 Summer Olympics. Her results included a fifth-place finish at the World Skateboarding Tour (WST) Stop San Juan Park in San Juan, Argenina during May 2023, a third-place finish at the Olympic Qualification Series (OQS) Budapest in Budapest, Hungary during June 2024, and second place finishes at WST Park Dubai in Dubai, UAE during March 2024 and OQS Shanghai in Shanghai, China during May 2024. The highlights of her qualification events were a silver medal at the Park World Championships Sharjah 2022 in Sharjah, UAE on 13 February 2023 and a gold medal victory at the WST Park World Championship 2023 in Ostia, Rome, Italy on 8 October 2023.

At the X Games Chiba 2023, she won gold on the merits of her elimination round results after organizers cancelled the finals due to inclement weather in the form of incessant rain.

In June 2024, Hiraki was first on World Skate's World Skateboarding Ranking for women's park.

Records
As of June 2024, Hiraki holds the following records:
 * youngest X Games medalist – 10 years, 11 months, 7 days
 * youngest Japanese athlete to participate in the Summer Olympic Games – 12 years, 9 months, 9 days
 * youngest Japanese athlete to medal at the Summer Olympic Games