| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Jolanda Annen | TRI | 11 September 1992 | |
| Léo Bergère | TRI | 28 June 1996 | |
| Thomas Bishop | TRI | 9 July 1991 | |
| Kristian Blummenfelt | ATH/TRI | 14 February 1994 | |
| Daniel Bækkegård | TRI | 28 May 1996 | |
| Emmie Charayron | TRI | 17 January 1990 | |
| Ben Dijkstra | ATH/TRI | 31 October 1998 | |
| Margot Garabedian | TRI | 27 January 1996 | |
| Ignacio González | TRI | 1996 | |
| Lucy Hall | TRI | 21 February 1992 | |
| Emil Hansen | TRI | 27 August 1997 | |
| David Hauss | ATH/TRI | 1 February 1984 | |
| Anne Holm | TRI | 9 July 1999 | |
| Maxime Hueber-Moosbrugger | ATH/TRI | 29 April 1996 | |
| Jeanne Lehair | TRI | 30 March 1996 | |
| Laura Lindemann | TRI | 26 June 1996 | |
| Lasse Lührs | TRI | 16 May 1996 | |
| Annamaria Mazzetti | TRI | 25 August 1988 | |
| Lena Meißner | TRI | 27 August 1998 | |
| Émilie Morier | CYC/TRI | 21 March 1997 | |
| Ainhoa Murúa | TRI | 18 July 1978 | |
| Alberte Kjær Pedersen | ATH/TRI | 23 June 1998 | |
| Sven Riederer | TRI | 27 March 1981 | |
| Andrea Salvisberg | TRI | 1 February 1989 | |
| Matthew Sharp | TRI | 1989 | |
| Nicola Spirig Hug | ATH/TRI | 7 February 1982 | |
| Linus Stimmel | TRI | ||
| Jodie Stimpson | TRI | 8 February 1989 | |
| Lisa Tertsch | ATH/TRI | 1 December 1998 | |
| Simon Viain | TRI | 21 December 1993 |