All levels of runners and abilities are invied to join this spectatuar event. Twickenham Stadium, one of the UK's most loved sporting venues will host 1000's of Spartans and spectators in the Stadion event. Charity runners will love the adrenaline of an obstacle race with the sights of a stadium. Stadoin is a 5k event that offers 20 obstacles in a challenging and fun environment. Extra excitement is in store when you tackle these obstacles on grounds where sporting legends also achieved great things. In Ancient Greece, Stadoin was an olympic running event, now we are givig you the opportunity to make your own history in this legendary stadium.