| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Jasper Aerents | SWI | 18 December 1992 | |
| Yannick Agnel | SWI | 9 June 1992 | |
| Melisa Akarsu | SWI | 13 July 1993 | |
| Anni Alitalo | SWI | 29 July 1991 | |
| Martti Aljand | SWI | 22 November 1987 | |
| Triin Aljand | SWI | 8 July 1985 | |
| Carlos Almeida | SWI | 4 August 1988 | |
| Dilara Altıntop | SWI | 8 November 1995 | |
| Marat Amaltdinov | SWI | 22 February 1994 | |
| Daniel Steen Andersen | SWI | 30 March 1995 | |
| Ömer Aslanoğlu | SWI | 23 May 1988 | |
| Ekaterina Avramova | SWI | 12 November 1991 | |
| Davíð Aðalsteinsson | SWI | 19 August 1990 | |
| Fanny Babou | SWI | 26 March 1989 | |
| Martin Baďura | SWI | 18 March 1989 | |
| Coralie Balmy | SWI | 2 June 1987 | |
| Gábor Balog | SWI | 2 September 1990 | |
| Arianna Barbieri | SWI | 23 February 1989 | |
| Guy Barnea | SWI | 9 September 1987 | |
| Petr Bartůněk | SWI | 8 January 1991 | |
| İskender Başlakov | SWI | 7 February 1990 | |
| Simona Baumrtová-Kubová | SWI | 24 August 1991 | |
| Ward Bauwens | SWI | 4 May 1993 | |
| Craig Benson | SWI | 30 April 1994 | |
| Péter Bernek | SWI | 13 April 1992 | |
| Urša Bežan | SWI | 24 May 1994 | |
| Ilaria Bianchi | SWI | 6 January 1990 | |
| Bence Biczó | SWI | 19 January 1993 | |
| Veronica Bjørlykke | SWI | 3 December 1994 | |
| Pernille Blume | SWI | 14 May 1994 | |
| Federico Bocchia | SWI | 24 October 1986 | |
| Chiara Boggiatto | SWI | 17 February 1986 | |
| Špela Bohinc | SWI | 6 November 1995 | |
| Niccolò Bonacchi | SWI | 1 November 1994 | |
| Charlotte Bonnet | SWI | 14 February 1995 | |
| Ihor Borysyk | SWI | 2 June 1984 | |
| Esmee Bos | OWS/SWI | 12 July 1996 | |
| Fréd Bousquet | SWI | 8 April 1981 | |
| Gizem Bozkurt | SWI | 23 May 1993 | |
| David Brandl | OWS/SWI | 19 April 1987 | |
| Henriette Brekke | SWI | 29 August 1988 | |
| Viktor Bromer | SWI | 20 April 1993 | |
| Justine Bruno | SWI | 17 February 1994 | |
| Jack Burnell | OWS/SWI | 13 June 1993 | |
| Kimberly Buys | SWI | 23 April 1989 | |
| Alexis Cabrol | SWI | 11 December 1991 | |
| Gizem Çam | SWI | 4 April 1991 | |
| Thibaut Capitaine | SWI | 26 April 1993 | |
| Diletta Carli | SWI | 7 May 1996 | |
| Anja Čarman | SWI | 22 March 1985 | |
| Diogo Carvalho | SWI | 26 March 1988 | |
| Alexianne Castel | SWI | 25 July 1990 | |
| Patricia Castro | SWI | 6 August 1992 | |
| Doğa Çelik | SWI | 28 May 1991 | |
| Žiga Cerkovnik | SWI | 1 July 1994 | |
| Svetlana Chimrova | SWI | 15 April 1996 | |
| Petra Chocová | SWI | 16 August 1986 | |
| Chris Christensen | SWI | 2 March 1988 | |
| Jordan Coelho | SWI | 2 April 1992 | |
| Lewis Coleman | SWI | 11 April 1992 | |
| Jonas Coreelman | SWI | 19 July 1991 | |
| Quentin Coton | SWI | 21 July 1991 | |
| Cloé Credeville | SWI | 12 April 1990 | |
| Louis Croenen | SWI | 4 January 1994 | |
| Inga Cryer | SWI | 24 November 1993 | |
| László Cseh, Jr. | SWI | 3 December 1985 | |
| Konrad Czerniak | SWI | 11 July 1989 | |
| Elena Czeschner | SWI | 1996 | |
| Andrea D'Arrigo | SWI | 28 April 1995 | |
| Eszter Dara | SWI | 30 May 1990 | |
| Martina De Memme | OWS/SWI | 7 August 1991 | |
| Gilles De Wilde | SWI | 2 August 1990 | |
| Pjotr Degtjarjov | SWI | 10 July 1993 | |
| Kathrin Demler | SWI | 12 June 1996 | |
| Stijn Depypere | SWI | 24 July 1991 | |
| Jérémy Desplanches | SWI | 7 August 1994 | |
| Gabriele Detti | SWI | 29 August 1994 | |
| Alex Di Giorgio | SWI | 28 July 1990 | |
| Silvia Di Pietro | SWI | 6 April 1993 | |
| Christian Diener | SWI | 3 June 1993 | |
| Anna Dietterle | SWI | 23 February 1997 | |
| Ceren Dilek | SWI | 10 September 1991 | |
| Coralie Dobral | SWI | 27 June 1987 | |
| Burcu Dolunay | SWI | 17 February 1984 | |
| Luca Dotto | SWI | 18 April 1990 | |
| Dion Dreesens | SWI | 30 April 1993 | |
| Cian Duffy | SWI | 6 September 1994 | |
| Damir Dugonjič | SWI | 21 February 1988 | |
| Ivan Duran | SWI | 22 October 1990 | |
| Güven Duvan | SWI | 28 April 1990 | |
| Valeriy Dymo | SWI | 9 September 1985 | |
| Hanna Dzerkal | SWI | 18 August 1987 | |
| Aksana Dziamidava | SWI | 23 December 1993 | |
| Martina Elhenická | OWS/SWI | 10 October 1993 | |
| Toni Embacher | SWI | 4 August 1987 | |
| Merve Eroğlu | SWI | 30 April 1994 | |
| Kemal Eşer | SWI | 12 July 1993 | |
| Ambra Esposito | SWI | 12 September 1996 | |
| Ophélie Etienne | SWI | 9 September 1990 | |
| Clodagh Flood | SWI | 8 August 1997 | |
| Phillipp Forster | SWI | 12 July 1994 | |
| Johanna Friedrich | SWI | 6 March 1995 | |
| Lotte Friis | SWI | 9 February 1988 | |
| Serhiy Frolov | OWS/SWI | 14 April 1992 | |
| Tomáš Fučík | SWI | 23 May 1985 | |
| Ivana Gabrilo | SWI | 3 March 1984 | |
| David Gamburg | SWI | 12 December 1993 | |
| Dorian Gandin | SWI | 13 January 1991 | |
| Marina García | SWI | 6 June 1994 | |
| Béryl Gastaldello | SWI | 16 February 1995 | |
| Saša Gerbec | SWI | 20 January 1986 | |
| Camille Gheorghiu | SWI | 30 January 1996 | |
| Brendan Gibbons | SWI | 12 April 1995 | |
| Francesco Giordano | SWI | 17 January 1995 | |
| Léa Giraudon | SWI | 4 October 1989 | |
| Beatriz Gómez | SWI | 29 December 1994 | |
| Mirthe Goris | SWI | 12 September 1996 | |
| Nastja Govejšek | SWI | 15 July 1997 | |
| Lisa Graf | SWI | 13 November 1992 | |
| Yoris Grandjean | SWI | 20 March 1989 | |
| Andrey Grechin | SWI | 21 October 1987 | |
| Vanessa Grimberg | SWI | 28 January 1993 | |
| Martin Grodzki | SWI | 18 April 1991 | |
| Tess Grossmann | SWI | 2 August 1994 | |
| Buse Günaydın | SWI | 5 July 1989 | |
| Kemal Arda Gürdal | SWI | 2 July 1990 | |
| Eygló Ósk Gústafsdóttir | SWI | 1 February 1995 | |
| Iakovos Hadjiconstantinou | SWI | 17 November 1994 | |
| Tom Haffield | SWI | 28 January 1988 | |
| Uschi Halbreiner | SWI | 1 January 1991 | |
| Bryndís Hansen | SWI | 9 May 1993 | |
| Morten Hansen | SWI | 9 March 1995 | |
| Maria Harutjunjan | SWI | 17 September 1995 | |
| Julia Hassler | SWI | 27 February 1993 | |
| Sergei Haukka | SWI | 6 December 1989 | |
| Tomáš Havránek | SWI | 13 June 1994 | |
| Jacob Heidtmann | SWI | 6 November 1994 | |
| Birkir Helgason | SWI | 5 July 1994 | |
| Mélanie Henique | SWI | 22 December 1992 | |
| Julien Henx | SWI | 20 June 1995 | |
| Aliaksandra Herasimenia | SWI | 31 December 1985 | |
| Aleksander Hetland | SWI | 26 December 1982 | |
| Iryna Hlavnyk | SWI | 11 May 1996 | |
| Katinka Hosszú | SWI | 3 May 1989 | |
| Andriy Hovorov | SWI | 10 April 1992 | |
| Kolbeinn Hrafnkelsson | SWI | 11 July 1994 | |
| Margarethe Hummel | SWI | 5 November 1997 | |
| Joris Hustache | SWI | 5 August 1988 | |
| Brendan Hyland | SWI | 23 September 1994 | |
| Anton Ipsen | SWI | 4 September 1994 | |
| Zsu Jakabos | SWI | 3 April 1989 | |
| Antony James | SWI | 5 November 1989 | |
| Pavel Janeček | SWI | 7 April 1994 | |
| Kim Janssens | SWI | 14 February 1991 | |
| Calum Jarvis | SWI | 12 May 1992 | |
| Pál Joensen | OWS/SWI | 10 December 1990 | |
| Damien Joly | OWS/SWI | 4 June 1992 | |
| Ingibjörg Jónsdóttir | SWI | 24 October 1993 | |
| Mila Jovanov | SWI | 30 December 1995 | |
| Sanja Jovanović | SWI | 15 September 1986 | |
| Marie Jugnet | SWI | 25 January 1993 | |
| Sami Juopperi | SWI | 5 December 1992 | |
| Esra Kübra Kaçmaz | SWI | 16 August 1996 | |
| Mustafa Kaçmaz | SWI | 26 February 1992 | |
| Victoria Kaminskaya | SWI | 7 October 1995 | |
| Pavel Kapylou | SWI | 20 February 1994 | |
| Nezir Karap | SWI | 2 January 1994 | |
| Radosław Kawęcki | SWI | 16 August 1991 | |
| Sarah Kelly | SWI | 25 July 1997 | |
| Yuliya Khitraya | SWI | 11 September 1989 | |
| Sviatlana Khokhlava | SWI | 2 October 1984 | |
| Gergő Kis | SWI | 19 January 1988 | |
| Tomáš Klobučník | SWI | 21 June 1990 | |
| Jakub Kočař | SWI | 4 September 1994 | |
| Sarah Köhler | OWS/SWI | 20 June 1994 | |
| Valeriya Kolotushkina | SWI | 6 June 1996 | |
| Yevgeny Korotyshkin | SWI | 30 April 1983 | |
| Birgit Koschischek | SWI | 22 May 1987 | |
| Lucija Kous | SWI | 14 April 1995 | |
| Andriy Kovalenko | SWI | 19 July 1989 | |
| Igor Kozlovskij | SWI | 2 July 1992 | |
| Dominik Kozma | SWI | 10 April 1991 | |
| Maximilian Kraus | SWI | 9 January 1993 | |
| Lena Kreundl | SWI | 19 September 1997 | |
| Ante Križan | SWI | 7 July 1987 | |
| Rostislav Kubický | SWI | 5 January 1994 | |
| Roman Kučík | SWI | 23 March 1981 | |
| Laura Kurki | SWI | 21 April 1994 | |
| Toni Kurkinen | SWI | 28 April 1989 | |
| Nilüfer Kuru | SWI | 1992 | |
| Sini Kuutamo | SWI | 25 February 1995 | |
| Yevgeny Lagunov | SWI | 14 December 1985 | |
| Flori Lang | SWI | 30 January 1983 | |
| Yuliya Larina | SWI | 13 April 1996 | |
| Fabio Laugeni | SWI | 29 January 1994 | |
| Jenna Laukkanen | SWI | 2 March 1995 | |
| Noora Laukkanen | SWI | 3 February 1993 | |
| Julie Lauridsen | SWI | 26 May 1996 | |
| Mylène Lazare | SWI | 20 November 1987 | |
| Fanny Lecluyse | SWI | 11 March 1992 |