The Mumbai Marathon, is an annual international marathon held in Mumbai, India, on the third Sunday of January every year. It is the largest marathon in Asia as well as the largest mass participation sporting event on the continent. It is the richest race in India with a prize pool of US$405000.

Ram Singh Yadav is an Indian marathon runner. Ram represented India at the 2012 Summer Olympics, London. He achieved the B qualification standard (2:18:00) by clocking a time of 2:16:59 at the 2012 Mumbai Marathon, which is also his best performance in this event. He is the second Indian athlete ever to be qualified for the marathon event of the Olympics. Before Yadav, Shivnath Singh was the Indian athlete who participated in the 1976 Summer Olympics in Montreal. Ram is a havildar in the Indian Army.