Andrew Meegan has qualified for Friday's 1500m freestyle final at the World University Games in Kazan, Russia.
The 23-year-old broke the Irish record by over 12 seconds in a time of 15 minutes 25.32 seconds.
Fiona Doyle won her semi-final in the same event in a time of 1:08.43 and is the fourth fastest qualifier going into the final which will also take place on Friday.
Russia’s Efimova was the fastest qualifier in 1:07.1.
Doyle said “I’m very happy with my semi-final win, I feel I have more to give in the final."