Competitors for 2003 World Cyclo-Cross Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Mette Andersen |  DEN |
CYC | 9 January 1974 |
| Dominique Arnould |  FRA |
CYC | 19 November 1966 |
| Zugaitz Ayuso |  ESP |
CYC | 16 July 1979 |
| Alexandra Bähler |  SUI |
CYC | 14 March 1968 |
| Michael Baumgartner | SUI |
CYC | 9 January 1980 |
| Gusty Bausch |  LUX |
CYC | 25 February 1980 |
| Ben Berden |  BEL |
CYC | 29 September 1975 |
| Camiel van den Bergh |  NED |
CYC | 3 July 1978 |
| Lyne Bessette |  CAN |
CYC | 10 March 1975 |
| Lars Boom | NED |
CYC | 30 December 1985 |
| Paola Bortolin |  ITA |
CYC | 27 April 1969 |
| Luca Bramati | ITA |
CYC | 6 November 1968 |
| Isabel Caetano |  POR |
CYC | 28 December 1979 |
| David Collins |  GBR |
CYC | 23 July 1976 |
| Francesca Cucciniello | ITA |
CYC | 8 September 1984 |
| Nicole de Bie-Leijten | NED |
CYC | 11 November 1975 |
| Mario De Clercq | BEL |
CYC | 5 March 1966 |
| Wim De Vos | NED |
CYC | 18 March 1968 |
| David Derepas | FRA |
CYC | 9 March 1978 |
| Petr Dlask |  CZE |
CYC | 20 October 1976 |
| Corine Dorland | NED |
CYC | 30 June 1973 |
| Matthew Ellis | GBR |
CYC | 2 July 1974 |
| Alessandro Fontana | ITA |
CYC | 24 March 1970 |
| Enrico Franzoi | ITA |
CYC | 8 August 1982 |
| John Gadret | FRA |
CYC | 22 April 1979 |
| Juan Carlos Garro | ESP |
CYC | 17 November 1968 |
| Dariusz Gil |  POL |
CYC | 14 May 1973 |
| Shauna Gillies-Smith | CAN |
CYC | 15 August 1961 |
| Róbert Glajza |  SVK |
CYC | 11 June 1971 |
| Ann Grande-Knapp |  USA |
CYC | 19 December 1968 |
| Richard Groenendaal | NED |
CYC | 13 July 1971 |
| Marc Gullikson | USA |
CYC | 9 February 1968 |
| Gina Hall | USA |
CYC | 1 January 1967 |
| Roger Hammond | GBR |
CYC | 30 January 1974 |
| Christian Heule | SUI |
CYC | 2 April 1975 |
| Birgit Hollmann |  GER |
CYC | 31 December 1973 |
| Reza Hormes-Ravenstijn | NED |
CYC | 6 February 1967 |
| Johannes Huseby | USA |
CYC | 21 June 1975 |
| Eddy van IJzendoorn | NED |
CYC | 21 March 1985 |
| Shinya Ikemoto |  JPN |
CYC | 14 June 1978 |
| Veerle Ingels | BEL |
CYC | 24 December 1981 |
| Andrew Jacques-Maynes | USA |
CYC | 22 September 1978 |
| Nicole Kampeter-Kottkamp | GER |
CYC | 25 June 1974 |
| Miyoko Karami | JPN |
CYC | 6 September 1974 |
| Gerben de Knegt | NED |
CYC | 11 December 1975 |
| Yukinaga Kodaira | JPN |
CYC | 14 November 1977 |
| Tadeusz Korzeniewski | POL |
CYC | 10 May 1969 |
| Hanka Kupfernagel | GER |
CYC | 19 March 1974 |
| Arnaud Labbe | FRA |
CYC | 3 November 1976 |
| Laurence Leboucher | FRA |
CYC | 22 February 1972 |
| Rachel Lloyd | USA |
CYC | 6 May 1975 |
| Debby Mansveld | NED |
CYC | 21 December 1972 |
| Masami Mashimo-Morita | JPN |
CYC | 24 February 1976 |
| Václav Metlička | CZE SVK |
CYC | 8 April 1973 |
| Francis Mourey | FRA |
CYC | 8 December 1980 |
| Aleš Mudroch | CZE |
CYC | 2 October 1975 |
| Maarten Nijland | NED |
CYC | 22 March 1976 |
| Anja Nobus | BEL |
CYC | 9 April 1974 |
| Aída Nuño | ESP |
CYC | 24 November 1983 |
| Sven Nys | BEL |
CYC | 17 June 1976 |
| Jonathan Page | USA |
CYC | 16 September 1976 |
| Marco Paludetti | ITA |
CYC | 25 April 1974 |
| Daniele Pontoni | ITA |
CYC | 8 September 1966 |
| Jiří Pospíšil | CZE TCH |
CYC | 26 February 1973 |
| Hilde Quintens | BEL |
CYC | 2 October 1964 |
| Jan Ramsauer | SUI |
CYC | 7 December 1975 |
| Jens Reuker | GER |
CYC | 15 June 1978 |
| Carmen Richardson-D'Aluisio | USA |
CYC | 19 February 1967 |
| Vania Rossi | ITA |
CYC | 3 October 1983 |
| Isla Rowntree | GBR |
CYC | 13 April 1964 |
| David Rusch | SUI |
CYC | 7 November 1979 |
| Maryline Salvetat | FRA |
CYC | 11 August 1974 |
| David Seco | ESP |
CYC | 17 March 1973 |
| Loes Sels | BEL |
CYC | 25 July 1985 |
| Jackson Stewart | USA |
CYC | 30 June 1980 |
| Annabella Stropparo | ITA |
CYC | 4 July 1968 |
| Zdeněk Štybar | CZE |
CYC | 11 December 1985 |
| Isaac Suárez | ESP |
CYC | 29 July 1979 |
| Radek Tichý | CZE |
CYC | 29 August 1975 |
| Stefano Toffoletti | ITA |
CYC | 17 March 1980 |
| Nadia Triquet-Claude | FRA |
CYC | 25 October 1978 |
| Tomáš Trunschka | CZE |
CYC | 24 March 1980 |
| Keiichi Tsujiura | JPN |
CYC | 4 January 1980 |
| Maria Paola Turcutto | ITA |
CYC | 2 January 1965 |
| Daphny van den Brand | NED |
CYC | 6 April 1978 |
| Wesley van der Linden | BEL |
CYC | 7 March 1982 |
| Tom Vannoppen | BEL |
CYC | 21 December 1978 |
| Christine Vardaros | USA |
CYC | 19 July 1969 |
| Thijs Verhagen | NED |
CYC | 22 May 1981 |
| Katleen Vermeiren | BEL |
CYC | 23 September 1978 |
| Erwin Vervecken | BEL |
CYC | 23 March 1972 |
| Stuart Wearmouth | GBR |
CYC | 13 March 1977 |
| Bart Wellens | BEL |
CYC | 10 August 1978 |
| Isabella Wieser |  AUT |
CYC | 7 April 1976 |
| Victoria Wilkinson |  ENG GBR |
ATH/CYC | 19 August 1978 |
| Alla Yepifanova |  RUS |
CYC | 2 December 1976 |