What happened: Mercedes driver Kimi Antonelli enters the United States Grand Prix at the Circuit of the Americas with an opportunity to clinch the 2026 Formula 1 World Championship at age 20. Speaking ahead of the Austin race weekend, Antonelli noted he was four years old playing with Hot Wheels when Sebastian Vettel set the youngest-champion mark in 2010 and only watched that race years later.

Why it matters: Vettel captured his first title at the 2010 Abu Dhabi Grand Prix at age 23 in a four-way finale against Fernando Alonso, Mark Webber, and Lewis Hamilton. Antonelli, who claimed his maiden Formula 1 victory at the Chinese Grand Prix in March, would lower the championship age benchmark by roughly three years.

What to watch: If Antonelli does not seal the championship at the Circuit of the Americas, his next title opportunities follow at next weekend's grand prix and the subsequent round in Brazil.