The London Marathon (known through sponsorship as the Virgin Money London Marathon) is a long-distance running event held in London, United Kingdom, part of the World Marathon Majors. The event was first run on 29 March 1981 and has been held in the spring of every year since. Since 2010, the race has been sponsored by Virgin Money. The most recent event was the 2015 London Marathon on 26 April 2015.