Mansfield which competes as Nova Centurion. The Sherwood Swimming Baths adjacent to the former Sherwood Colliery was refurbished and opened in January 2010 as the "Rebecca Adlington Swimming Centre". The 25-metre pool was widened at the expense of losing the tiered public seating and has a new, small, endless stroke-improvement training pool with variable-resistance water flow. The complex uses a ground-source heat pump backed by a biomass boiler burning wood pellets prepared from waste by a local wood yard, to reduce its carbon footprint. At the Beijing 2008 Olympic Games, a Mansfield contestant, Rebecca Adlington, won two gold medals, for 400
2008 Summer Olympics one gold medal, both of these figures setting new records for Olympic Games. There were 117 participating countries that did not win any medals. Athletes from China won the highest number of gold medals of any nation at these Games, with 48, thus making China the seventh nation to rank top in the medal table in the history of the modern Olympics, along with the United States (fifteen times), France (in 1900), Great Britain (in 1908), Germany (in 1936), the Soviet Union (six times), and the Unified Team (in 1992). The United States team won the most medals overall, with