Jamaican Yohan Blake is the current world 100 meter sprint champion . I was running at the Carifta Games when I ran 10.18 secs in the semis . The IAAF has been criticized for its handling of doping cases in recent years and it was recently revealed that a number of athletes have tested positive at major international competitions over the past two years. The 22-year-old trains with Olympic champion and 100m record holder Usain Bolt . Blake aiming to challenge Bolt for gold at the London Olympics this year .
Jamaican Yohan Blake is the current world 100 meter sprint champion . The IAAF has been criticized for its handling of doping cases in recent years and it was recently revealed that a number of athletes have tested positive at major international competitions over the past two years. The 22-year-old trains with Olympic champion and 100m record holder Usain Bolt . Blake aiming to challenge Bolt for gold at the London Olympics this year .