(Image source from: Who is the fittest athlete in the world})

The world has a new fittest athlete - NBA star LeBron James. The basketball legend ranks on top in Sorts Illustrated's debut list of world's most fittest athletes.

The magazine compiled the list, rating the athletes on their speed, strength, agility and endurance. Each of these categories was scored out of 10 and guess what? James topped the list by scoring a perfect 40. Whoa!

As we know, for an athlete, fitness is key to success.

James' team the Miami Heat reached the NBA final this year but lost to the San Antonio Spurs. James has since decided to head home to play for the Cleveland Cavaliers again.

James beat Real Madrid's Cristiano Ronaldo, who stands second in the list with 38.5 points. Jamaican sprint superstar Usain Bolt came in third with 36.5 points. Here's the list of world's top ten fittest athletes:

1. LeBron James
2. Cristiano Ronaldo
3. Usain Bolt
4. Floyd Mayweather
5. Dez Bryant
6. Calvin Johnson
7. Serge Ibaka
8. Adrian Peterson
9. Jon Jones
10. Michael Phelps

AW: Suchorita Choudhury