Defending champion Karan Singh will face stiff competition in his bid to retain his Indian elite men's title with London Olympian Ram Singh Yadav, three-time Mumbai Marathon winner Binning Lyngkhoi and last year's runner-up Rashpal Singh all set to give him a run for his money at the 12th Mumbai Marathon today.


Lalita Babar and Karan Singh 

Despite Karan coming into the race having clocked his personal best timing (2:22.30) in October last year at the Eindhoven Marathon, Rashpal is confident of winning the Indian men's event today. "I have been training with Ram (Singh Yadav) at the Artillery Centre in Hyderabad.