Elite Indian athletes Rashpal Singh, Sher Singh, Jyoti Gawte and Monika Raut will vie for top honours in the IDBI Federal Life Insurance New Delhi Marathon in New Delhi tomorrow. The New Delhi Marathon is recognized as a National Marathon Championship by Athletics Federation of India and will see over 18,500 athletes taking part in four different categories. All the categories will be flagged-off at the Jawaharlal Nehru Stadium by Indian cricket icon and IDBI Federal Life Insurance’s brand ambassador Sachin Tendulkar.