New Delhi: Mohammad Anas bettered his own national record in men's 400m to clinch a gold and qualify for the World Championships while Hima Das won the women's 200m event for her third international triumph in less than two weeks at the Kladno Athletics Meet in Czech Republic.

Anas, 24, clocked 45.21 seconds as he won an easy race, finishing nearly one second ahead of silver-winner Omelko Rafal (46.19) of Poland on Saturday night. Apart from re-writing his earlier national record of 45.24 seconds, which he recorded last year, he also qualified for the World Athletics Championships to be held in Doha from September 27 to October 6. The 400m qualification time for the World Championships is 45.30s.