| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Kirill Abrosimov | OWS | 22 November 1991 | |
| Rotem Amit | OWS | 27 October 1995 | |
| Kelly Araouzou | OWS/SWI | 6 March 1991 | |
| Giray Arın | OWS | 1992 | |
| Georgios Arniakos | OWS | 5 June 1992 | |
| Karel Baloun | OWS | 18 April 1990 | |
| Célia Barrot | OWS | 6 February 1990 | |
| Romain Béraud | OWS | 13 August 1988 | |
| Olha Beresnieva | OWS/SWI | 12 October 1985 | |
| Nicola Bolzonello | OWS/SWI | 17 June 1987 | |
| Mário Bonança | OWS | 27 April 1990 | |
| Angelina Borodina | OWS | 4 July 1994 | |
| Vasily Boykov | OWS | 4 April 1990 | |
| Rachele Bruni | OWS/SWI | 4 November 1990 | |
| Christopher Bryan | OWS | 8 May 1990 | |
| Mariya Bulakhova | OWS/SWI | 18 November 1988 | |
| Ihor Butskyi | OWS | 25 August 1993 | |
| Lucinda Campbell | OWS | 5 July 1996 | |
| Jonatan Castet | OWS | 19 November 1990 | |
| Damien Cattin-Vidal | OWS | 12 August 1988 | |
| Natalia Charłos | OWS | 31 May 1993 | |
| Ihor Chervynskyi | OWS/SWI | 16 December 1981 | |
| Valerio Cleri | OWS/SWI | 19 June 1981 | |
| Coralie Codevelle | OWS/SWI | 19 September 1992 | |
| Giorgia Consiglio | OWS/SWI | 22 February 1990 | |
| Charlie Cuignet | OWS | 20 February 1990 | |
| Margarita Domínguez | OWS | 20 May 1987 | |
| Yevgeny Drattsev | OWS | 24 January 1983 | |
| Simone Ercoli | OWS/SWI | 5 May 1979 | |
| Luca Ferretti | OWS | 17 November 1984 | |
| Alice Franco | OWS | 10 February 1989 | |
| Sébastien Fraysse | OWS/SWI/TRI | 2 December 1986 | |
| Matteo Furlan | OWS/SWI | 29 May 1989 | |
| Vasco Gaspar | OWS/SWI | 29 November 1990 | |
| Yelizaveta Gorshkova | OWS/SWI | 10 May 1990 | |
| Martina Grimaldi | OWS/SWI | 28 September 1988 | |
| Anna Guseva | OWS | 27 July 1987 | |
| Gergely Gyurta | OWS/SWI | 12 September 1991 | |
| Joanes Hedel | OWS/SWI | 24 April 1980 | |
| Caleb Hughes | OWS/SWI | 22 November 1995 | |
| Ezgi İnkaya | OWS | 8 March 1988 | |
| Pál Joensen | OWS/SWI | 10 December 1990 | |
| Marios Kalafatis | OWS | 1985 | |
| Angelina Kargaltseva | OWS | 24 April 1993 | |
| Anastasiya Krapivina | OWS | 12 November 1994 | |
| Gergely Kutasi | OWS | 18 June 1991 | |
| Ján Kútnik | OWS/SWI | 3 October 1992 | |
| Fabiana Lamberti | OWS | 18 March 1989 | |
| Arseniy Lavrentyev | OWS | 1 February 1983 | |
| Thomas Lurz | OWS/SWI | 28 November 1979 | |
| Angela Maurer | OWS | 27 July 1975 | |
| Jovan Mitrovic | OWS/SWI | 10 November 1991 | |
| Kristina Neves | OWS | 7 August 1996 | |
| Esther Núñez | OWS | 5 February 1981 | |
| Anna Olasz | OWS/SWI | 19 September 1993 | |
| Emre Öztürk | OWS | 1 April 1993 | |
| Alexandra Philippa Panagidis | OWS | 14 December 1993 | |
| Márk Papp | OWS | 8 January 1994 | |
| Gianlorenzo Parmigiani | OWS | 31 July 1990 | |
| Josephine Paschke | OWS | 29 January 1992 | |
| Nadine Pastor-Reichert | OWS | 24 October 1984 | |
| Jana Pechanová | OWS/SWI | 3 March 1981 | |
| Špela Perše | OWS/SWI | 4 August 1996 | |
| Barbora Picková | OWS/SWI | 23 December 1992 | |
| Daniela Pinto | OWS | 9 June 1991 | |
| Federico Pirani | OWS | 20 January 1989 | |
| Artyom Podyakov | OWS/SWI | 18 March 1990 | |
| Aurora Ponselè | OWS/SWI | 4 April 1992 | |
| Evgenij Pop Acev | OWS | 14 May 1988 | |
| Jan Pošmourný | OWS | 13 January 1988 | |
| Christian Reichert | OWS | 7 February 1985 | |
| Yurema Requena | OWS | 25 November 1983 | |
| Shahar Resman | OWS | 18 May 1991 | |
| Axel Reymond | OWS/SWI | 13 February 1994 | |
| Simone Ruffini | OWS | 7 December 1989 | |
| Héctor Ruiz | OWS | 3 February 1991 | |
| Silvie Rybářová | OWS/SWI | 24 August 1985 | |
| Yuval Safra | OWS/SWI | 30 December 1993 | |
| Marcel Schouten | OWS | 18 June 1993 | |
| Matthias Schweinzer | OWS | 28 January 1990 | |
| Daniil Serebrennikov | OWS | 2 October 1985 | |
| Kyrylo Shvets | OWS | 22 December 1993 | |
| Stefan Sigrist | OWS/SWI | 8 March 1987 | |
| Lewis Smith | OWS/SWI | 5 March 1988 | |
| Libor Smolka | OWS | 3 June 1985 | |
| Thomas Snelson | OWS | 5 August 1990 | |
| Ihor Snitko | OWS/SWI | 13 August 1978 | |
| Aleksandra Sokolova | OWS | 21 February 1994 | |
| Petar Stoychev | OWS/SWI | 24 October 1976 | |
| Alexander Studzinski | OWS | 19 January 1983 | |
| Thomas Sunter | OWS/SWI | 29 July 1992 | |
| Nikolett Szilágyi | OWS | 5 January 1995 | |
| Jakub Tobiáš | OWS/SWI | 18 January 1995 | |
| Evangelos Tsirapidis | OWS | 11 October 1995 | |
| Anna Uvarova | OWS | 21 May 1985 | |
| Lucia Vachanová | OWS | 15 January 1987 | |
| Bertrand Venturi | OWS | 8 June 1985 | |
| Xenia Vilariño | OWS | 7 June 1991 | |
| Rostislav Vítek | OWS | 6 January 1976 | |
| Volodymyr Voronko | OWS | 2 March 1991 | |
| Andreas Waschburger | OWS | 6 January 1987 | |
| Ferry Weertman | OWS/SWI | 27 June 1992 |