Yang Jiayu crosses the finish line to win a gold medal of women's 20 km walk at World Athletics Championships in London Stadium, London, Britain, August 13, 2017. [Photo/Agencies]

LONDON - Chinese youngster Yang Jiayu won the women's 20km race walk in one hour 26 minutes and 18 seconds at the World Championships here on Sunday.

On the final day of the championships, Yang, 21, stunned the field to lift the title in a personal best time while her well-known teammate Lyu Xiuzhi, the Rio Olympic bronze medalist and Beijing worlds runner-up, was disqualified meters from the finish line.

Rio Games silver medalist Maria Guadalupe Gonzalez of Mexico settled for the silver in 1:26:19 while Italy's Antonella Palmisano was third in 1:26:59.