New Delhi: Airtel Delhi Half Marathon 2011 has been ranked as the world's top road running event, according to a competition rankings released by an athletics website.

The Ras Al Khaimah International Half Marathon (UAE) was ranked second, while the Philadelphia Rock 'n' Roll Hal Marathon (USA) was adjudged third in the All-Athletics.com competition ranking released yesterday.

The Road Running competitions were ranked in three different categories -- Combined ranking of the Men's and Women's races, Men's Road Running ranking and Women's Road Running ranking -- and the Airtel Delhi Half Marathon was adjudged No. 1 in the all the three categories.    

The Airtel Delhi Half Marathon 2011, an IAAF Gold Label event and also the world's most prestigious half marathon, offered a purse of USD 210,000 and had attracted some of the world's biggest names in distance running.

Ethiopia's Lelisa Desisa won the men's overall title in 59.30 minutes, while the women's title was bagged by Kenyan Lucy Kabuu in a time of 67.04 minutes.