Competitors for 1973 World Cyclo-Cross Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Palle Andersen |  DEN |
CYC | |
| John Atkins |  GBR |
CYC | 7 April 1942 |
| Michel Baele |  BEL |
CYC | 26 July 1936 |
| George Bannon |  USA |
CYC | |
| José María Basualdo |  ESP |
CYC | 18 November 1948 |
| Daniel Bottazzi |  FRA |
CYC | 23 April 1950 |
| Darryl Brassington | GBR |
CYC | 9 May 1947 |
| Vojtěch Červínek |  TCH |
CYC | 6 September 1948 |
| Mieczysław Cielecki |  POL |
CYC | |
| Graeme Collyer | GBR |
CYC | |
| Eric De Vlaeminck | BEL |
CYC | 23 March 1945 |
| Norbert Dedeckere | BEL |
CYC | 23 November 1948 |
| Eric Desruelle | BEL |
CYC | 8 August 1941 |
| Lucien Didier |  LUX |
CYC | 5 August 1950 |
| Christopher Dodd | GBR |
CYC | 13 November 1951 |
| Miloš Fišera | TCH |
CYC | 17 February 1950 |
| Peter Frischknecht |  SUI |
CYC | 12 March 1946 |
| Alex Gérardin | FRA |
CYC | 8 July 1947 |
| José María González | ESP |
CYC | 13 November 1942 |
| Rafael González | ESP |
CYC | 31 May 1950 |
| Juan Gorostidi | ESP |
CYC | 2 September 1945 |
| Hermann Gretener | SUI |
CYC | 8 September 1942 |
| Max Gretener | SUI |
CYC | 13 September 1941 |
| James Herbain | FRA |
CYC | 5 May 1939 |
| Andrzej Jakubowski | POL |
CYC | |
| Klaus-Peter Jördens |  GER |
CYC | 26 November 1947 |
| Leif Jørgensen | DEN |
CYC | |
| Jan Van Katwijk |  NED |
CYC | 30 August 1946 |
| Jiří Kvapil | TCH |
CYC | 19 March 1950 |
| Franco Livian |  ITA |
CYC | 9 November 1942 |
| José Antonio Martínez | ESP |
CYC | 9 September 1948 |
| Iñaki Mayora | ESP |
CYC | 2 June 1954 |
| Keith Mernickle | GBR |
CYC | 13 January 1944 |
| Johny Michely | LUX |
CYC | 13 March 1934 |
| D. Miller | GBR |
CYC | |
| Pedro Moreno | ESP |
CYC | |
| Ueli Müller | SUI |
CYC | 3 April 1952 |
| Jiří Murdych | TCH |
CYC | |
| Danny Nall | USA |
CYC | |
| Jean-Yves Plaisance | FRA |
CYC | 26 December 1946 |
| Czesław Polewiak | POL |
CYC | 1 January 1944 |
| Józef Pytowski | POL |
CYC | 14 January 1950 |
| Henning Rasmussen | DEN |
CYC | |
| Georges Richartz | LUX |
CYC | 2 January 1942 |
| Fritz Schärer | SUI |
CYC | |
| Albert Scheffer | NED |
CYC | 27 January 1949 |
| Dante Signorini | ITA |
CYC | 30 August 1945 |
| Herman Snoeijink | NED |
CYC | 6 August 1951 |
| Hans Steekers | NED |
CYC | 8 May 1950 |
| Eric Stone | GBR |
CYC | 22 February 1946 |
| Ekkehard Teichreber | GER |
CYC | 8 April 1948 |
| Klaus-Peter Thaler | GER |
CYC | 14 May 1949 |
| Jos Thielemans | BEL |
CYC | 15 December 1947 |
| R. Travis | GBR |
CYC | |
| Dieter Übing | GER |
CYC | 20 February 1946 |
| Felice Uboldi | ITA |
CYC | 12 February 1943 |
| Franco Vagneur | ITA |
CYC | 14 February 1944 |
| Albert Van Damme | BEL |
CYC | 1 December 1940 |
| Cock Van der Hulst | NED |
CYC | 27 December 1942 |
| Julien Vanden Haesevelde | BEL |
CYC | 24 August 1943 |
| Gunnar Vangsgaard | DEN |
CYC | |
| Robert Vermeire | BEL |
CYC | 2 November 1944 |
| André Wilhelm | FRA |
CYC | 7 February 1943 |
| Rolf Wolfshohl | GER |
CYC | 27 December 1938 |
| Steve Woznick | USA |
CYC | 14 October 1949 |
| Lucien Zeimes | LUX |
CYC | 30 October 1948 |
| Cees Zoontjens | NED |
CYC | 10 August 1944 |
| Albert Zweifel | SUI |
CYC/TRI | 7 June 1949 |