Yet walk into Ranville or Caen today, and there is a fair chance the newest sporting hero of the region could still pass unnoticed. Alex Lanier, the 21-year-old shuttler who just became France's first men's singles world champion, took that reality in stride right after his historic win in New Delhi.

"I'm not exactly sure, I don't know... I mean, probably I'm going to walk in the road and nobody cares," said the world champion.

That anonymity may not last long as Lanier's dominant 21-11, 21-11 dismantling of Japan's Kodai Naraoka wasn't just a personal victory but was the explosive payoff of a French badminton project nearly three decades in the making. The young Frenchman, however, is not getting into all that.

"I'm not really thinking how big it is. I don't want to think about any kind of historical aspect. I just enjoy being on court and playing my best badminton... At some point, you need to trust how good you are and just play.

"When you are 10 years old, you don't really think that can happen, and it's really hard to believe, actually. It's really important for French badminton."

His coach, Kestutis Navickas, has been building towards this moment since taking a 15-year-old Lanier under his wing five years ago. For Navickas, the gold medal validates every step of their long-term plan.

"For me as a coach, that means that the trust, the commitment, and many years of constructive work together with the management and together with the other coaches can really make an impact and can make a world champion," said Navickas. "Five years is a very long period of time. What is most important is the trust and the belief in the process."

That process reaches far beyond one player as France's high-performance director Yohan Penel traces the shift back to the late 1990s, when France systematically built a pipeline of moving from local clubs to a central national academy, two youth hubs, and nine regional training centres. Today, the federation boasts 250,000 licensed members.

The payoff hit all at once on Sunday as Thom Gicquel and Delphine Delrue captured France's first-ever world title in mixed doubles right before Lanier's victory. Seeing his compatriots climb to the top of the podium gave Lanier the final spark he needed.

"I was not really playing for myself. I saw the mixed winning, everyone was happy and I saw that and I was like: 'Damn, I need to win... to make them smile and to make them happy.' I think it was also important for everyone to share that moment," said Lanier.

In a country dominated by football, cycling, and basketball, badminton has rarely stolen the headline. But coach Navickas believes this double-gold Sunday signals a turning point, forcing the media to take notice and proving that France can stand toe-to-toe with Asia's traditional powerhouses.