| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Andrew Abruzzo | SWI | 18 November 1999 | |
| Claire Adams | SWI | 26 July 1998 | |
| Nathan Adrian | SWI | 7 December 1988 | |
| Bridgette Alexander | SWI | 25 June 1996 | |
| Matthew Anderson | SWI | ||
| Michael Andrew | SWI | 18 April 1999 | |
| Zach Apple | SWI | 23 April 1997 | |
| Grace Ariola | SWI | 9 May 2000 | |
| Kathleen Baker | SWI | 28 February 1997 | |
| Caroline Baldwin | SWI | 26 February 1996 | |
| Emma Barksdale | SWI | ||
| Zoe Bartel | SWI | 3 October 2000 | |
| Elizabeth Beisel | SWI | 18 August 1992 | |
| Gunnar Bentz | SWI | 3 January 1996 | |
| Katharine Berkoff | SWI | 28 January 2001 | |
| Amy Bilquist | SWI | 11 August 1997 | |
| Rachael Bradford-Feldman | SWI | ||
| Lisa Bratton | SWI | 5 May 1996 | |
| Michael Brinegar | OWS/SWI | 15 September 1999 | |
| Kayla Brumbaum | SWI | ||
| Veronica Burchill | SWI | 11 October 1997 | |
| Megan Byrnes | SWI | ||
| Courtney Caldwell | SWI | ||
| Jorie Caneta | SWI | ||
| Daniel Carr | SWI | 8 September 1998 | |
| Michael Chadwick | SWI | 15 April 1995 | |
| Pace Clark | SWI | 24 June 1994 | |
| Mallory Comerford | SWI | 6 September 1997 | |
| Jack Conger | SWI | 26 September 1994 | |
| Kevin Cordes | SWI | 13 August 1993 | |
| Andrea Cottrell | SWI | 30 June 1995 | |
| Madisyn Cox | SWI | 30 May 1995 | |
| Andrea D'Arrigo | SWI | 28 April 1995 | |
| Taylor Dale | SWI | 29 December 1994 | |
| Ali DeLoof | SWI | 14 August 1994 | |
| Abrahm DeVine | SWI | 3 September 1996 | |
| Katie Drabot | SWI | 2 September 1997 | |
| Caeleb Dressel | SWI | 16 August 1996 | |
| Conor Dwyer | SWI | 10 January 1989 | |
| Ella Eastin | SWI | 28 March 1997 | |
| Anthony Ervin | SWI | 26 May 1981 | |
| Joy Field | SWI | 8 December 1998 | |
| Nic Fink | SWI | 3 July 1993 | |
| Bobby Finke | SWI | 6 November 1999 | |
| Sumner Finke | SWI | ||
| Ian Finnerty | SWI | 2 August 1996 | |
| Hali Flickinger | SWI | 7 July 1994 | |
| Brooke Forde | SWI | 4 March 1999 | |
| Trey Freeman | SWI | 24 March 2000 | |
| Bethany Galat | SWI | 10 August 1995 | |
| Sarah Gibson | SWI | 20 April 1995 | |
| Bob Glover | SWI | ||
| Matt Grevers | SWI | 26 March 1985 | |
| Sean Grieshop | SWI | 23 November 1998 | |
| Zane Grothe | OWS/SWI | 22 April 1992 | |
| Townley Haas | SWI | 13 December 1996 | |
| Molly Hannis | SWI | 13 March 1992 | |
| Zach Harting | SWI | 27 August 1997 | |
| Ryan Held | SWI | 27 June 1995 | |
| Connor Hoppe | SWI | ||
| Cullen Jones | SWI | 29 February 1984 | |
| Matthew Josa | SWI | 31 March 1995 | |
| Chase Kalisz | SWI | 7 March 1994 | |
| Luke Kaliszak | SWI | ||
| Austin Katz | SWI | 19 March 1999 | |
| Amanda Kendall | SWI | 16 January 1991 | |
| Madison Kennedy | SWI | 22 December 1987 | |
| Lilly King | SWI | 10 February 1997 | |
| Vanessa Krause | SWI | ||
| Breeja Larson | SWI | 16 April 1992 | |
| Ben Lawless | SWI | ||
| Katie Ledecky | SWI | 17 March 1997 | |
| Sean Lehane | SWI | 21 November 1994 | |
| Andrew Liang | SWI | ||
| Will Licon | SWI | 25 August 1994 | |
| Jay Litherland | SWI | 24 August 1995 | |
| Kevin Litherland | SWI | 24 August 1995 | |
| Mick Litherland | SWI | ||
| Dakota Luther | SWI | 7 November 1999 | |
| Justin Lynch | SWI | 27 August 1996 | |
| Simone Manuel | SWI | 2 August 1996 | |
| Melanie Margalis | SWI | 30 December 1991 | |
| Jen Marrkand | SWI | ||
| Alyssa Marsh | SWI | 8 September 1997 | |
| Ally McHugh | SWI | 14 May 1997 | |
| Katie McLaughlin | SWI | 9 July 1997 | |
| Katie Meili | SWI | 16 April 1991 | |
| Kaersten Meitz | SWI | 4 December 1995 | |
| Cody Miller | SWI | 9 January 1992 | |
| Hellen Moffitt | SWI | 21 May 1995 | |
| Jacob Montague | SWI | 6 January 1998 | |
| Hannah Moore | OWS/SWI | 22 August 1996 | |
| Maddie Murphy | SWI | ||
| Ryan Murphy | SWI | 2 July 1995 | |
| Danielle Nack | SWI | ||
| Lia Neal | SWI | 13 February 1995 | |
| Ashley Neidigh | SWI | ||
| Annie Ochitwa | SWI | ||
| Curtis Ogren | SWI | ||
| Robert Owen | SWI | ||
| Vanessa Pearl | SWI | ||
| Jacob Pebley | SWI | 17 September 1993 | |
| Tim Phillips | SWI | 30 November 1990 | |
| Natalie Pierce | SWI | ||
| Blake Pieroni | SWI | 15 November 1995 | |
| Josh Prenot | SWI | 28 July 1993 | |
| Patrick Ransford | SWI | 8 September 1996 | |
| Claire Rasmus | SWI | 10 December 1996 | |
| Joey Reilman | SWI | ||
| Justin Ress | SWI | 3 August 1997 | |
| Jonathan Roberts | SWI | 8 September 1995 | |
| Katharine Ross | SWI | 1995 | |
| Daniel Roy | SWI | 17 January 2000 | |
| Remedy Rule | SWI | 27 September 1996 | |
| Cierra Runge | SWI | 7 March 1996 | |
| Grant Sanders | SWI | 1 August 1997 | |
| Sierra Schmidt | SWI | 6 May 1998 | |
| Asia Seidt | SWI | 6 October 1997 | |
| John Shebat | SWI | 17 February 1997 | |
| Tom Shields | SWI | 11 July 1991 | |
| Grant Shoults | SWI | 6 June 1997 | |
| Miles Smachlo | SWI | ||
| Clark Smith | SWI | 17 April 1995 | |
| Giles Smith | SWI | 28 November 1991 | |
| Kieran Smith | SWI | 20 May 2000 | |
| Leah Smith | SWI | 19 April 1995 | |
| Regan Smith | SWI | 9 February 2002 | |
| Olivia Smoliga | SWI | 12 October 1994 | |
| Hannah Stevens | SWI | 9 May 1995 | |
| Leah Stevens | SWI | ||
| Kendyl Stewart | SWI | 17 August 1994 | |
| Kylie Stewart | SWI | 27 March 1996 | |
| Hennessey Stuart | SWI | ||
| Alex Sumner | SWI | 15 July 2000 | |
| Charlie Swanson | SWI | 20 February 1998 | |
| True Sweetser | SWI | ||
| Aly Tetzloff | SWI | 18 March 1997 | |
| Miranda Tucker | SWI | 8 June 1997 | |
| Ashley Twichell | OWS/SWI | 16 June 1989 | |
| Jonathan Tybur | SWI | 28 May 1996 | |
| Alex Walsh | SWI | 31 July 2001 | |
| Michael Weiss | SWI | 23 May 1991 | |
| Abbey Weitzeil | SWI | 3 December 1996 | |
| Christopher Wieser | SWI | 19 December 1995 | |
| Andrew Wilson | SWI | 16 September 1993 | |
| Kelsi Worrell | SWI | 15 July 1994 | |
| Justin Wright | SWI | 3 June 1996 | |
| Chris Yeager | SWI | 24 October 1989 | |
| Brooke Zeiger | SWI | 9 January 1996 |