At just 20 years old, Kimi Antonelli has set a new record for F1's youngest world champion. The Italian driver joins a select club of sports personalities who've achieved staggering success in their chosen fields at a remarkably early age.

Pursuing a career in sport requires dedication, motivation, resilience, and a relentless desire to win. Incredibly, these qualities have surfaced in some athletes while they were still youngsters. And more often than not, the most determined have triumphed by their teens or early twenties. 

In this gallery, you'll find 30 of sport's youngest-ever superstars representing golf, football, cricket, athletics, and tennis, among other mainstream and minority disciplines.

Continue reading and enjoy the game.