There is an event called Ironman Triathlon, where a contestant has to swim 3.86 kilometers in 17 hours, 180.25 kilometers of bicycle to run and 42.20 kilometers running one by one, without any rest!
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In this year's tough competition, he finished the difficult task of 12 hours 43 minutes and won the 'Ironman' title as the second Bangladeshi. Shamsuzzaman Arafat Earlier, Arafat ran from Teknaf to Tetulia. Besides, he also has the record of passing the Bangla Channel three times.
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From @rockykhan