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Sophie O’Sullivan overturned a long-standing national mark while claiming the 1,500m crown at the National Track and Field Championships in Santry on Sunday. The performance also broke a record set by her mother three decades earlier, underscoring athletics as a family pursuit.
A championship record and a family milestone
In a strong finish, Sophie O’Sullivan crossed the line in 4:05.62, taking the national title and setting a new championship best. The previous mark, 4:07.09, had been held by her mother, Sonia, since 1995.
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The margin was small but significant. Sophie’s run ends a 31-year hold on the event and places her among the country’s top middle-distance runners.
Reactions from both sides of the family
Sophie acknowledged the moment on Instagram, posting: “National champion. Championship record, that’s family business @soniagrith.” The post mixed celebration with a clear nod to the family legacy behind the achievement.
Sonia O’Sullivan was at Santry to see her daughter compete, though she was working as a pundit for RTÉ and could not fully join the trackside celebrations. After the race she shared a photo of Sophie online, captioning it: “Irish National Champ.”
Looking ahead
Following her victory, Sophie signalled that her attention now turns to the European Championships. That next step will test her form against continental competition.
Support from her mother has been a consistent theme in Sophie’s career. In 2023 she said: “She always just wants me to have fun and to be happy so as long as I am she will be.” That encouragement appears to be paying off.












