Here are links to the gold medal Karate performances in Kata for men and women. Please note, you will have to use a VPN to view them.
Scroll to the bottom of the page and click on 空手.
You will see the following:
女子形 – Women’s Kata
男子形 – Men’s Kata
Click on whichever one you want to view.
For women’s gold medal kata performance choose the one labelled – 清水希容が新競技空手形で銀メダルを獲得 決勝ハイライト
For men’s gold medal kata performance choose the one labelled – 喜友名諒が堂々たる演武で金メダル 空手男子形 優勝決定戦 ハイライト