Fourteen-year-old Momiji Nishiya claimed her first X Games gold medal as a youth movement swept the women's street skateboarding podium in California on Sunday.

Nishiya, skateboarding's first female Olympic champion, improved on her silver-medal finish at the 2019 X Games in Minneapolis, with 12-year-old Australian Chloe Covell winning silver and 15-year-old Yumeka Oda securing bronze.

"I was really relieved when I skated the first run with no mistakes," said Nishiya, who landed a high-scoring frontside big spin board slide on her first attempt.

"I want to work on the tricks I wasn't able to successfully execute today."

Brazil's Rayssa Leal, silver medalist behind Nishiya at the Tokyo Olympics, finished fourth, followed by two Japanese — newly crowned world champion Funa Nakayama and Aori Nishimura.

For Nishiya, who pulled out of Japan's inaugural edition of the X Games in April, it was her first major international victory since last summer's Olympics.