Wiegersma's Games over, misses semifinal

The Olympic Games are over for New Zealand swimmer Natalie Wiegersma after failing to qualify for the semifinals of the women's 200m individual medley.

Wiegersma, who didn't make the grade of the 400m medley either, came home in 2:16.24 - two seconds off the top eight and good enough for 26th out of 34.

Had she swum her personal best of 2:13.17 however, Wiegersma would have qualified for a shot at the final.

It's the second time Wiegersma has been unable to produce her best at London 2012.

Competing in her first Olympic Games the Hamilton-born 22-year-old was almost five seconds off her personal best in the 400m medley on the opening day.

In the 200m the New Zealander was 7.34 seconds behind fastest qualifier Ye Shiwen - the Chinese 16-year-old who has already won gold at London 2012, breaking the 400m medley world record in the process.

Ye Shiwen's jaw-dropping form continues as causing controversy swirls around her ability to swim faster than her male counterpart.

Her final length of 28.93 seconds in the 400m topped American Ryan Lochte who swam the last length of his event in 29.1 seconds in a gold medal-winning display. 

Fairfax Media