Can you imagine swimming 285 kilometres in just 70 hours? Khittindra Chandra Boissya, a national swimming records-holder, has taken up the challenge to swim from Sylhet to Bhairab in Kishoreganj. Never mind he is 70 years old. Boissya fought for Bangladesh’s independence back in 1971 when he just 19. Half a century later the Ekushey Padak-winner is up to conquer another dream of his life:create a world record in swimming. Also read: Bangladesh swimmers off to Nepal ahead of SA Games At 7 am on Monday, Boissya splashed in the River Surma from Chandnighat at Kean Bridge amid cheers from hundreds of fans and tight safety measures mounted by the district administration. He hopes to reach Bhairab in 70 hours.