Jamaican sprinter Usain Bolt. (AFP/Leon Neal)
Bolt, who was talking at a sponsors' event at Gorky Park on Sunday, now goes straight into training for the August 10-18 championships at the Luzhniki Stadium.
"Of course it's very important (to win back the title)," the 26-year-old Bolt said of the 100m crown he lost to injured teammate Yohan Blake when he false-started in Daegu, South Korea, in 2011.
That failure has been the one blip on Bolt's impressive resume that includes Olympic gold in the 100m, 200m and 4x100m relay events in Beijing and London, and five world titles.
"I want to keep winning every race that I compete in and the 100m and 200m finals in Moscow will be the biggest races for me this year," the Jamaican said.
"It's why I'm working hard with my coach to give myself the chance to do that."
The world record holder in both the 100m and 200m added: "My season has been good, I'm getting stronger every week and my execution and speed endurance is steadily improving.
"Right now I'm in good shape, focused and feeling well, training hard and I'm ready."
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