The11thFINA World Junior Synchronised Swimming Championships was held July 8–13, 2010 inSt. Petersburg, Russia. The synchronised swimmers are aged between 15 and 18 years old, from 26 nations, swimming in four events: Solo, Duet, Team and Free combination.
26 nations swam at the 2008 World Junior Championships were:[1]
| Event | Gold | Silver | Bronze | |||
|---|---|---|---|---|---|---|
| Solo[1] details | Anna Udovik Russia | 87.416 | Chloé Isaac Canada | 85.685 | Ona Carbonell Spain | 84.827 |
| Duet[1] details | Elena Ternovskaya Anna Udovik Russia | 86.541 | Yukiko Inui Mariko Sakai  Japan | 84.713 | Jo-Annie Fortin Chloé Isaac Canada | 83.963 |
| Team[1] details | Russia | 86.306 |  China | 83.708 | Japan | 83.518 |
| Free combination[1] details | Russia | 94.900 | China | 93.200 |  Greece | 91.800 |
