But the main run flagged off by cricket icon Sachin Tendulkar was at Trivandrum .
But the main run flagged off by cricket icon Sachin Tendulkar had an official participation of 1.23 Million which would make it the world 's largest marathon .
But the main run flagged off by cricket icon Sachin Tendulkar was at Trivandrum and had an official participation of 1.23 Million which would make it the world 's largest marathon .