Lagos and Victoria Island. Three major bridges join the island to the mainland. They are the Carter Bridge, which starts from Iddo; the Eko Bridge (formerly called the Second Mainland Bridge); and the Third Mainland Bridge, which passes through densely populated mainland suburbs to the Lagos Lagoon. Lagos Island contains a central business district. This district is characterised by high-rise buildings. The island also contains many of the city's largest wholesale marketplaces (such as the popular Idumota and Balogun Markets). It also has the National Museum of Nigeria, the Central Mosque, the Glover Memorial Hall, Christ's Church Cathedral (CMS) and the
Lagos City Marathon Lagos City Marathon The Lagos Marathon is a bronze label marathon held annually in :Lagos, Nigeria. The origins of the event trace back to 1983 when the first ever Lagos international marathon took place. The Lagos International Marathon is organized by the Athletic Federation of Nigeria and was preceded by several recurring half marathons held in the city where athletes like John Cheruiyot Korir, Paul Malakwen Kosgei and Dieudonné Disi emerged as winners. The Marathon course which spans a distance of about 42km, starts at National Stadium, Surulere, Lagos, (where previous half marathons initially finished), continues along the Third Mainland