Also known as Sree Narayana Jayanthi Vallam Kali, Kumarakom Boat race is held at Kottathodu, Kumarakom in month of August/ September every year during Onam. Though all types of snake boats participate in this race, the importance is given to iruttukuthi, in which about 50 oarsmen row. The Successful iruttukuthi will win the ever rolling Sree Narayana Trophy. Prior to the race, there will be a grand procession of country boats carrying a portrait of Sri Narayana Guru and 'thidampu' from Kumaramangalom Temple to the venue of the race.