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Cheptegei: If I don't believe in myself then nobody is going to believe in me

World and Olympic champion Joshua Cheptegei from Uganda shares how positive self-talk helps him change his mindset and achieve great results in athletics. That includes...

Cheptegei: If I don't believe in myself then nobody is going to believe in me

World and Olympic champion Joshua Cheptegei from Uganda shares how positive self-talk helps him change his mindset and achieve great results in athletics. That includes...