Every year in Mumbai in the month of January the Standard Chartered Mumbai Marathon is held. Every year many Mumbaites come together with Bollywood celebs to run for a cause. John Abraham has been the ambassador for the marathon for quite sometime now. At the marathon were present Dia Mirza, Gulshan Grover, Ayushmann Khurrana, Kalki Koechlin and Rahul Bose. For more info watch this video.