| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Odile van Aanholt | SAI | 14 January 1998 | |
| Ellie Aldridge | SAI | 29 December 1996 | |
| Caterina Banti | SAI | 13 June 1987 | |
| Micky Beckett | SAI | 27 March 1995 | |
| Vilma Bobeck | SAI | 5 January 1998 | |
| Diego Botín | SAI | 25 December 1993 | |
| Nora Brugman | SAI | 31 January 1992 | |
| Anna Burnet | SAI | 27 September 1992 | |
| Arno de Planta | SAI | 12 March 1999 | |
| Annette Duetz | SAI | 29 June 1993 | |
| Mária Érdi | SAI | 18 February 1998 | |
| George Gautrey | SAI | 19 January 1998 | |
| John Gimson | SAI | 11 March 1983 | |
| Evie Haseldine | SAI | 27 May 2003 | |
| Tetsuya Isozaki | SAI | 4 April 1992 | |
| Emil Järudd | SAI | 27 April 1998 | |
| Maud Jayet | SAI | 3 April 1996 | |
| Hanna Jonsson | SAI | 20 January 1999 | |
| Sebastian Kördel | SAI | 16 December 1990 | |
| Bart Lambriex | SAI | 3 October 1998 | |
| Max Maeder | SAI | 12 September 2006 | |
| Axel Mazella | SAI | 10 December 1997 | |
| Rebecca Netzler | SAI | 22 July 1995 | |
| Lauriane Nolot | SAI | 9 December 1998 | |
| Keiju Okada | SAI | 2 December 1995 | |
| Olivia Price | SAI | 2 August 1992 | |
| Nicolò Renna | SAI | 1 May 2001 | |
| Anne-Marie Rindom | SAI | 14 June 1991 | |
| Sébastien Schneiter | SAI | 24 September 1995 | |
| Yurie Seki | SAI | 15 April 1994 | |
| Katy Spychakov | SAI | 6 August 1999 | |
| Shahar Tibi | SAI | 26 October 1997 | |
| Ruggero Tita | SAI | 20 March 1992 | |
| Florián Trittel | SAI | 23 May 1994 | |
| Floris van de Werken | SAI | 2 April 1995 | |
| Luuc van Opzeeland | SAI | 21 May 1999 | |
| Toni Vodišek | SAI | 7 June 2000 | |
| Matt Wearn | SAI | 30 September 1995 | |
| Emma Wilson | SAI | 7 April 1999 | |
| Jordi Xammar | SAI | 2 December 1993 | |
| Miho Yoshioka | SAI | 27 August 1990 | |
| Lily Young | SAI |