08 JUN 2013 Andrey Ruzavin at the 2012 World Race Walking Cup in Saransk

28 JAN 2013 Sandra Arenas (COL) in action

09 OCT 2012 Matej Toth of Slovakia wins the 50km race walk in Chihuahua, Mexico

09 OCT 2012 Jared Tallent of Australia at a water station in the men's 50km race walk

09 OCT 2012 Matej Toth can hardly believe he has become the World 50km race walk Cup winner in Chihuahua

09 OCT 2012 Matej Toth celebrates winning gold on the World Race Walking Cup podium in Chihuahua

09 OCT 2012 Russia’s Vera Sokolova with her La Coruña trophy

09 OCT 2012 Eder Sanchez (MEX) in action in Tlalnepantla de Baz

09 OCT 2012 Vera Santos of Portugal leading the women's 20km in the early stages of the race

09 OCT 2012 Hao Wang of China wins the men's 20km race in Chihuahua

09 OCT 2012 Hao Wang of China celebrates winning the men's 20km race in Chihuahua

09 OCT 2012 Maria Vasco of Spain on her way to winning the women's 20km World Race Walking Cup in Chihuahua

09 OCT 2012 Anotnella Palmisano of Italy in action in Chihuahua

09 OCT 2012 Chinese are presented with the men's 20km Team gold in Chihuahua

09 OCT 2012 Matej Toth of Slovakia celebrates winning the men's 50km race in Chihuahua

09 OCT 2012 Chihuahua born Horacio Nava in action in the men's 50km Race Walk

09 OCT 2012 Soon-to-be World Cup winner Maria Vasco in a moment of difficulty in Chihuahua

09 OCT 2012 A general view of the women's 20km race in Chihuahua

09 OCT 2012 A close up of Junior champion Eider Arevalo's stride in Chihuahua

09 OCT 2012 From left to right: Luis Lopez of Colombia, Maria Vasco of Spain, Jared Tallent of Australia, Sandra Navaraz of Mexico and Horacio Nava of Mexico