Competitors for 2017 49er World Championship
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Benjamin Bildstein |  AUT |
SAI | 16 January 1992 |
| Stuart Bithell |  GBR |
SAI | 28 August 1986 |
| Dylan Fletcher-Scott | GBR |
SAI | 3 April 1988 |
| Martine Grael |  BRA |
SAI | 12 February 1991 |
| Jena Hansen |  DEN |
SAI | 10 December 1988 |
| David Hussl | AUT |
SAI | 23 February 1992 |
| Kahena Kunze | BRA |
SAI | 12 March 1991 |
| Alex Maloney |  NZL |
SAI | 19 March 1992 |
| Molly Meech | NZL |
SAI | 31 March 1993 |
| James Peters | GBR |
SAI | 12 October 1992 |
| Katja Salskov-Iversen | DEN |
SAI | 19 August 1994 |
| Fynn Sterritt | GBR |
SAI | 6 November 1988 |