If you are running in Bandra in the morning, chances are you will run into a woman who sports long hair and runs very hard. Chitra Nitin Nadkarni’s return to running – she was a sprinter in her youth days – has given her due rewards. She finished among the top three in her age category in Goa and Hyderabad half marathons. Encouraged by her husband and daughter, Chitra ran her first half marathon in her 50th year. She shares…