[1] As of 2010, Belgium counted around 17,000 sport clubs with approximately 1.35 million members, or about 13% of the Belgian population.
Well-known Belgian Olympic champions are Hubert Van Innis and Edmond Cloetens (archery), Gaston Roelants and Tia Hellebaut (athletics), Patrick Sercu and Roger Ilegems (track cycling), Robert Van de Walle and Ulla Werbrouck (judo), Bart Swings (speed skating), Frédérik Deburghgraeve (swimming), and Justine Henin (tennis).
Other well-known Belgian sport champions are Roger Moens, Ivo Van Damme and Kim Gevaert (athletics), Bart Veldkamp (speed skating), Ingrid Lempereur (swimming), Gella Vandecaveye, Heidi Rakels and Harry Van Barneveld (judo), Eddy Merckx, Rik Van Looy, Roger De Vlaeminck, Lucien Van Impe, Johan Bruyneel, Johan Museeuw, Axel Merckx and Tom Boonen (cycling), Raymond Ceulemans (three-cushion billiards), Jacky Ickx and Thierry Boutsen (Formula One), Stefan Everts and Gaston Rahier (motocross) and Jean-Michel Saive (table tennis), Kim Clijsters (tennis), Sven Nys (cyclo-cross) and Vincent Rousseau (running).
In team sports, well-known footballers include Jean-Marie Pfaff, Eric Gerets, Enzo Scifo, Michel Preud'homme, Franky Van Der Elst, Luc Nilis and Jan Ceulemans and well-known basketball players include Ann Wauters, Éric Struelens, Axel Hervelle and D. J. Mbenga.
At the Summer Olympics, Belgium won the gold medal in 1920 and secured a fourth place in 2008.
Other past famous players include goalkeepers Jean-Marie Pfaff and Michel Preud'homme, René Vandereycken, Wilfried Van Moer, François and Leo Van der Elst, Raymond Mommens, Franky Van Der Elst, Franky Vercauteren, Luc Nilis, Enzo Scifo, Erwin Vandenbergh, Georges Grün, Lei Clijsters (father of Kim Clijsters), Philippe Albert and Marc Wilmots.
Current well-known Belgian players are Eden Hazard, Thibaut Courtois, Simon Mignolet, Vincent Kompany, Thomas Vermaelen, Jan Vertonghen, Marouane Fellaini, Romelu Lukaku, Toby Alderweireld, Kevin De Bruyne and Christian Benteke.
It is governed by the Royal Belgian Cycling League, which is split between the Dutch-speaking WBV and the French-speaking FCWB.
At the Olympic Games, Belgium has won four gold medals for road cycling, with two victories for the Belgian men's team in the team time trial (at the 1948 and 1952 Summer Olympics) and two for André Noyelle and Greg Van Avermaet for the individual race.
At the Giro di Lombardia, Belgium counts 12 titles in 105 editions, with only Italy performing better.
Unlike the grand tours, which have not been won by a Belgian since 1978, cyclists from Belgium are still successful in the monument races.
At the Tour of Flanders, Belgium has 12 wins since 1993, with 3 by Johan Museeuw and Tom Boonen, 2 by Peter Van Petegem and Stijn Devolder and 1 by Andreï Tchmil and Nick Nuyens.
Philippe Gilbert has been the only Belgian winner of the Giro di Lombardia since Fons De Wolf in 1980, with wins in 2009 and 2010 and only 4 Belgians have won Liège–Bastogne–Liège since Joseph Bruyère in 1978: Eric Van Lancker in 1990, Dirk De Wolf in 1992, Frank Vandenbroucke in 1999 and Philippe Gilbert in 2011.
Other classic one day races in Belgium include La Flèche Wallonne, E3 Harelbeke and Gent–Wevelgem, all part of the UCI World Tour, as well as Paris–Brussels, Omloop Het Nieuwsblad, Kuurne–Brussels–Kuurne, Grand Prix de Wallonie and Dwars door Vlaanderen.
Other multiple Belgian world champions are Roland Liboton (4 titles), Mario De Clercq (3), Wout van Aert (3), Erwin Vervecken (3), Sven Nys (2), and Bart Wellens (2).
In track cycling, Matthew Gilmore and Etienne De Wilde won the gold medal in the Men's Madison event at the 1998 UCI Track Cycling World Championships and the silver medal in the Men's Madison at the 2000 Summer Olympics.
Roger Ilegems won the gold medal of the Men's points race at the 1984 Summer Olympics while Patrick Sercu held several world records and won the gold medal of the Men's 1 km time trial at the 1964 Summer Olympics.
Belgium is well known in tennis for the two champions Justine Henin and Kim Clijsters, who were both WTA World No.
The current Fed Cup team for Belgium is composed of Kim Clijsters, Yanina Wickmayer, Kirsten Flipkens, Alison Van Uytvanck, and An-Sophie Mestach.
Belgium hosted each year the Belgian Open from 1987 on, which was replaced by the Proximus Diamond Games in 2002.
The current Belgium Davis Cup team is composed of Xavier Malisse (3 ATP titles), Olivier Rochus (2), Steve Darcis (2) and David Goffin (4).
Belgium hosts a number of prominent annual competitions across all sections of the sport of athletics.
The Memorial Van Damme, Belgium's foremost track and field competition, began in 1977 and is now part of the IAAF Diamond League circuit.
[7] Other annual races of note are the Warandeloop, Oostende-Brugge Ten Miles, Kust Marathon, Guldensporenmarathon and the 20 km of Brussels.
The game is formally organised by the Belgium Rugby Federation and has a surprisingly long history.
Rally is popular sport in Belgium and although no money prizes can be won, many talented drivers participate in the Belgian Championships.
Belgium is known for its technical special stages on narrow tarmac roads and steep ditches.