Vabu Purushottam Das (born on January 1, 1983), of Nalbari, Assam, accomplished the backward walking marathon, covering a distance of 104 km, within the time span of 24 hours and 14 minutes, without taking any break. He started his feat from Milan Bazar Chowk, Nalbari, on May 6, 2012 at 3:31pm and concluded at Amayapur, Nalbari on May 7, 2012 at 3:45pm.