| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Valerie Adams-Vili | ATH | 6 October 1984 | |
| Kemi Adekoya | ATH | 16 January 1993 | |
| Nia Ali | ATH | 23 October 1988 | |
| Ade Alleyne-Forte | ATH | 11 October 1988 | |
| Elvyonn Bailey | ATH | 28 November 1991 | |
| Dimitri Bascou | ATH | 20 July 1987 | |
| Ruth Beitía | ATH | 1 April 1979 | |
| Boris Berian | ATH | 19 December 1992 | |
| Trayvon Bromell | ATH | 10 July 1995 | |
| Chris Brown | ATH | 15 October 1978 | |
| Mathias Brugger | ATH | 6 August 1992 | |
| Michelle Carter | ATH | 12 October 1985 | |
| Machel Cedenio | ATH | 6 September 1995 | |
| Matthew Centrowitz, Jr. | ATH | 18 October 1989 | |
| Augustine Choge | ATH | 21 January 1987 | |
| Kyle Clemons | ATH | 27 December 1990 | |
| Benjamin Compaoré | ATH | 5 August 1987 | |
| Vashti Cunningham | ATH | 18 January 1998 | |
| Meseret Defar | ATH | 19 November 1983 | |
| Marquis Dendy | ATH | 17 November 1992 | |
| Genzebe Dibaba | ATH | 8 February 1991 | |
| Dong Bin | ATH | 22 November 1988 | |
| Ashton Eaton | ATH | 21 January 1988 | |
| Patrick Feeney | ATH | 29 December 1991 | |
| Alina Fodorova | ATH | 31 July 1989 | |
| Andrei Gag | ATH | 27 April 1991 | |
| Antoine Gakeme | ATH | 24 December 1991 | |
| Kristin Gierisch | ATH | 20 August 1990 | |
| Chris Giesting | ATH | 10 December 1992 | |
| Ramon Gittens | ATH | 20 July 1987 | |
| Lalonde Gordon | ATH | 25 November 1988 | |
| Magdalena Gorzkowska | ATH | 30 April 1992 | |
| Robbie Grabarz | ATH | 3 October 1987 | |
| Abdalelah Haroun | ATH | 1 January 1997 | |
| Shavez Hart | ATH | 6 September 1992 | |
| Sifan Hassan | ATH | 1 January 1993 | |
| Natasha Hastings | ATH | 23 July 1986 | |
| Quanera Hayes | ATH | 7 March 1992 | |
| Max Heß | ATH | 13 July 1996 | |
| Ryan Hill | ATH | 31 January 1990 | |
| Jakub Holuša | ATH | 20 February 1988 | |
| Małgorzata Hołub-Kowalik | ATH | 30 October 1992 | |
| Huang Changzhou | ATH | 20 August 1994 | |
| Oleksiy Kasianov | ATH | 26 August 1985 | |
| Yomif Kejelcha | ATH | 1 August 1997 | |
| Sam Kendricks | ATH | 7 September 1992 | |
| Ewelina Klocek-Ptak | ATH | 20 March 1987 | |
| Erik Kynard | ATH | 3 February 1991 | |
| Fabrice Lapierre | ATH | 17 October 1983 | |
| Renaud Lavillenie | ATH | 18 September 1986 | |
| Elena Mirela Lavric | ATH | 17 February 1991 | |
| Deon Lendore | ATH | 28 October 1992 | |
| Kamila Lićwinko | ATH | 22 March 1986 | |
| Piotr Lisek | ATH | 16 August 1992 | |
| Pascal Martinot-Lagarde | ATH | 22 September 1991 | |
| Anita Márton | ATH | 15 January 1989 | |
| Pavel Maslák | ATH | 21 February 1991 | |
| Michael Mathieu | ATH | 24 June 1984 | |
| Omar McLeod | ATH | 25 April 1994 | |
| Filip Mihaljević | ATH | 31 July 1994 | |
| Andrea Miklós | ATH | 17 April 1999 | |
| Anastasiya Mokhnyuk | ATH | 1 January 1991 | |
| Sandi Morris | ATH | 8 July 1992 | |
| Francine Niyonsaba | ATH | 5 May 1993 | |
| Vernon Norwood | ATH | 10 April 1992 | |
| Barbara Nwaba | ATH | 18 January 1989 | |
| Courtney Okolo | ATH | 15 March 1994 | |
| Paraskevi Papachristou | ATH | 17 April 1989 | |
| Adelina Pastor | ATH | 5 May 1993 | |
| Barbara Pierre | ATH | 28 April 1987 | |
| Tiffany Porter | ATH | 13 November 1987 | |
| Asafa Powell | ATH | 23 November 1982 | |
| Bianca Răzor | ATH | 8 August 1994 | |
| Brittney Reese | ATH | 9 September 1986 | |
| Ashley Riley | ATH | 27 April 1995 | |
| Yulimar Rojas | ATH | 21 October 1995 | |
| Brianna Rollins | ATH | 18 August 1991 | |
| Shannon Rowbury | ATH | 19 September 1984 | |
| Alonzo Russell | ATH | 8 February 1992 | |
| Dafne Schippers | ATH | 15 June 1992 | |
| Dawit Seyaum | ATH | 27 July 1996 | |
| Calvin Smith | ATH | 10 December 1987 | |
| Jarrin Solomon | ATH | 11 January 1986 | |
| Rondel Sorrillo | ATH | 24 January 1986 | |
| Erik Sowinski | ATH | 21 December 1989 | |
| Ivana Španović | ATH | 10 May 1990 | |
| Ashley Spencer | ATH | 8 June 1993 | |
| Aikaterini Stefanidi | ATH | 4 February 1990 | |
| Jenn Stuczynski-Suhr | ATH | 5 February 1982 | |
| Justyna Święty-Ersetic | ATH | 3 December 1992 | |
| Gianmarco Tamberi | ATH | 1 June 1992 | |
| Brianne Theisen-Eaton | ATH | 18 December 1988 | |
| Elaine Thompson-Herah | ATH | 28 June 1992 | |
| Gudaf Tsegay | ATH | 23 January 1997 | |
| Lorraine Ugen | ATH | 22 August 1991 | |
| Tom Walsh | ATH | 1 March 1992 | |
| Margaret Wambui | ATH | 15 September 1995 | |
| Nick Willis | ATH | 25 April 1983 | |
| Ajeé Wilson | ATH | 8 May 1994 |