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
Puerto Rico at the 2008 Summer Olympics won six medals (one silver and five bronze). The last medal earned by a Puerto Rican was a bronze medal by Daniel Santos at the 1996 Summer Olympics in Atlanta. No medals were won by Puerto Ricans at Beijing. During the course of the 2008 Olympics, 22 athletes represented Puerto Rico—17 men and five women—in eight sports (track and field, boxing, artistic gymnastics, judo, shooting, swimming, taekwondo, and weightlifting). The size of the delegation was 21 athletes smaller than the Puerto Rican delegation that arrived at the 2004 Summer Olympics in Athens, and 58 athletes smaller than Puerto Rico's largest