A 77 year old cardiologist, Ashis Roy who recently created a record in participating in his 100th marathon is even more determined to take part in his 101st event.

He is the only Indian to have participated in 100 marathons. He has participated 36 events in India and 64 abroad.

"I will run in 101st marathon of my life in Chandigarh on Sunday. I am the only Indian who has so far successfully competed 100 marathons, 36 in India and 64 in abroad. For the last 10 years, Limca Book of Records is continuously publishing my name"—he said.

He also said after participating in more events, Marathon’s automatically became the integral part of his life.

"I competed in the first marathon of my life at the age of 52 years in 1984. Although the first attempt was very difficult for me but it gave me a lot of confidence and motivation and marathons automatically become an integral part of my life"—he added.