Race on to fill Bolt's shoes

Group of young guns hoping to grab limelight in Tokyo as Olympics begins life without Usain

Usain Bolt may have hung up his running shoes in 2017, but the Tokyo Olympics is the first Games in 17 years not to feature the incomparable Jamaican sprint superstar.

In his absence, a raft of up-and-coming track-and-field athletes, headlined by Swedish pole vaulter Armand Duplantis, US sprinter Noah Lyles, and recent 400m hurdles world-record setters Karsten Warholm and Sydney McLaughlin, arrive in Japan looking to build their own legacies.

While a 20-year-old Bolt was a bit-part player at the 2004 Athens Olympics, eliminated in the first round of the 200m, he went on to win eight golds spanning the 2008,2012 and 2016 Games.