It’s the golden hour for Ana Marcela Cunha.

The 29-year-old Brazilian swimmer, considered one of the best open water swimmers in history, claimed the gold medal in the women’s open-water swimming marathon 10km race at the 2020 Tokyo Games.

Cunha finished well clear of her primary threats with a time of one hour, 59 minutes and 30.8 seconds.

Silver medalist Sharon van Rouwendaal, who claimed gold for the Netherlands at the 2016 Rio Games, fell just short of repeating as Olympic champ, by less than a second.

Kareena Lee of Australia was less than two seconds back of the winner to earn bronze.

It’s the second ever Olympic medal ever for Brazil in open water, and the country’s first gold medals in the sport.

Poliana Okimoto took bronze at the 2016 Rio Games.