Ciara Mageean, the Irish Olympic middle-distance runner and European 1,500m champion, died on Sunday at the age of 34 after a battle with bowel cancer, her family announced.

She passed away at 6:30am surrounded by loved ones, according to a statement posted on her Instagram account. Mageean had been diagnosed with stage four bowel cancer in May 2025 and revealed her condition publicly in July that year. Just weeks before her death, she married her long-term partner, Thomas Moran, in a civil ceremony in Belfast.

Born in Portaferry, County Down, Mageean was one of Ireland’s most decorated athletes. She won gold in the 1,500m at the 2024 European Athletics Championships in Rome, becoming the second Irish woman after Sonia O’Sullivan to claim an individual European title. She also earned silver in 2022 and bronze in 2016 at the same event, along with a 2019 European indoor bronze. Mageean represented Ireland at the 2016 Rio and 2021 Tokyo Olympics but missed the 2024 Paris Games due to an Achilles tendon injury.

Tributes poured in from political and sporting figures. Taoiseach Micheál Martin said he was “deeply saddened” by her “untimely passing” and extended sympathies to her husband and family. Northern Ireland’s First Minister Michelle O’Neill praised Mageean’s “extraordinary talent, determination and dedication,” adding that she would be remembered for her “warmth, courage and tremendous strength of character.” The Olympic Federation of Ireland called her “a hero” and an inspiration to a generation.

Athletics Ireland described Mageean as a figure who “will be remembered for her courage, kindness and incredible spirit.” Fellow athletes, including world 1,500m champion Jake Wightman, also paid tribute, with Wightman calling her “a true star.”

Mageean held multiple Irish records, including in the 800m, 1,500m, and mile. She began her career as a junior, winning silver in the 1,500m at the 2010 World Junior Championships and the 2011 European Junior Championships. Despite setbacks, including an ankle injury that ruled her out of the 2012 London Olympics, she returned to win the Irish 1,500m title in 2014 and later broke Sonia O’Sullivan’s long-standing national records.