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
Rebecca Adlington Olympic double. She ended the season ranked No. 2 in the 400-metre freestyle and No. 1 in the 800-metre freestyle. At the 2011 World Aquatics Championships, Adlington won the 800-metre freestyle gold medal, beating Lotte Friis over the final 50 metres, and silver in the 400-metre freestyle behind world record-holder Federica Pellegrini of Italy. At the 2012 Summer Olympics in London, Adlington won bronze in the 400-metre freestyle in a time of 4:03.01. and another bronze in the women's 800-metre freestyle in a time of 8:20.32. After the Games, Adlington said that she was done with the 800-metre race, and