Henry Frederick Barrett was a British long-distance runner who competed at two Olympic Games and set a world's best in only his second marathon. Henry Barrett (United Kingdom) set the men's marathon world record of 2:42:31.0 in Polytechnic Marathon, London, England on May 8, 1909. It stood 4 months, until Thure Johansson's 2:40:34.2 on August 31, 1909. Wiki link