Arriving home a world champion in the summer of 2023, Hungarian water-polo player Vince Vigvari got a taste of the rock-star life. After a long flight from Fukuoka, Japan, Vigvari and his teammates hopped on a bus to a victory rally at a Budapest pool. A few weeks later, he attended a music festival at Lake Balaton. “At least 50 people came up to me to take a picture,” says Vigvari, 21. “Young girls and guys, middle-aged women, men. I can’t lie. It was a good feeling.”
Water polo, a sport that receives scant attention in most countries, is a national pastime for Hungarians. Hungary has won nine men’s Olympic gold medals, more than twice as many as the next most successful country, Britain (four, most recently in 1920). It…