She failed to make the final at the World Championships, finishing 31st of 34 competitors.

She made her senior global debut at the 2007 World Championships and ran a personal best of 13.07 seconds in the heats.

She made her international debut in 2003 at the World Championships for teams.

Several months later, he made his first of two appearance at the World Junior Championships.

That same year, he became the first player to make a maximum break at the World Championships.

She made her international debut a year later at the World Championships.

As a 16-year-old he made his debut at the 1993 World Championships, placing fifth on floor.

She made her first major appearance over the distance at the 1995 World Championships in Athletics.

The following year, he made his second appearance at the 1993 World Junior Championships.

Stefan made his international swimming debut at the 1998 World Championships.