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
Swimming at the 2008 Summer Olympics – Women's 400 metre freestyle Swimming at the 2008 Summer Olympics – Women's 400 metre freestyle The women's 400 metre freestyle event at the 2008 Olympic Games took place on 10–11 August at the Beijing National Aquatics Center in Beijing, China. Rebecca Adlington became Great Britain's first female gold medalist in swimming in 48 years. She posted an outside-record time of 4:03.22 to hold off U.S. swimmer Katie Hoff in the final 50 metres with a 1.46-second deficit. Hoff added a silver to her hardware from the 400 m individual medley just a day earlier, in 4:03.29. Adlington's teammate Joanne Jackson earned a bronze in