Middlesbrough F.C. with supporters' clubs across the globe. The largest supporters' clubs include the Official Supporters' Club, the Middlesbrough Disabled Supporters' Association, Yarm Reds, Red Faction and Middlesbrough Supporters South. Middlesbrough supporters' main rivals are Sunderland (with whom they contest the Tees–Wear derby), Newcastle United (with whom they contest the Tyne–Tees derby), and Leeds United, a fact confirmed by planetfootball.com's 2004 survey. Carlisle United see Middlesbrough as their biggest rivals, but Middlesbrough supporters have not reciprocated, as they do not see Carlisle as a top three rival. The nickname "Smoggies" was first used as a derogatory term by opposing supporters; it relates
Middlesbrough surrounding Teesside area, Middlesbrough and Cleveland Harriers and Middlesbrough AC (Mandale). Athletes used to regularly train at Clairville Stadium (1963-2014) until it was closed and subsequently demolished to make way for a housing development. Athletes now train at the recently opened (May 2015) Middlesbrough Sports Village, on Marton Road (A172). Notable athletes to train at both facilities are World & European Indoor Sprint Champion Richard Kilty, British Indoor Long Jump record holder Chris Tomlinson and current British Internationals Matthew Hynes, Jonathon Taylor, Rabah Yousif and Amy Carr. The sports village includes a running track with grandstand, an indoor gym and