Competitors for 2018 Ultra Marathon Swimming World Series
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Andrea Bianchi |  ITA |
OWS | 10 May 1994 |
| Alice Franco | ITA |
OWS | 10 February 1989 |
| Francesco Ghettini | ITA |
OWS | 10 October 1996 |
| Anna Olasz |  HUN |
OWS/SWI | 19 September 1993 |
| Barbara Pozzobon | ITA |
OWS | 17 September 1993 |
| Edoardo Stochino | ITA |
OWS | 5 November 1987 |