Battle of Marathon of events, with the competitors running from Marathon to Athens. So popular was this event that it quickly caught on, becoming a fixture at the Olympic games, with major cities staging their own annual events. The distance eventually became fixed at 26 miles 385 yards, or 42.195 km, though for the first years it was variable, being around —the approximate distance from Marathon to Athens. Battle of Marathon The Battle of Marathon (Greek: , "Machē tou Marathōnos") took place in 490 BC, during the first Persian invasion of Greece. It was fought between the citizens of Athens, aided by Plataea,
Porto Half Marathon the "Jardim do Calém - Fluvial". In addition to the main half marathon event, there is a smaller 6 km mini-marathon which goes from Freixo Bridge to the "Jardim do Calém - Fluvial". The race is one of three major annual running events organised in Porto by "Run Porto", alongside the Porto Marathon and the São Silvestre do Porto. Key: Porto Half Marathon The Porto Half Marathon (Portuguese: "Meia-Maratona do Porto") is an annual half marathon road running event held in Porto, Portugal which follows the River Douro. Known as the Sportzone Half Marathon for sponsorship reasons, the inaugural edition