Overview
- Multiple outlets report Ó Lionáird was found dead in Montreal on Tuesday, and Athletics Ireland issued an official statement expressing deep sadness and offering condolences to his family.
- Ó Lionáird reached the 1500m final at the 2011 World Championships, ran for Ireland at the 2012 London Olympics, won European Indoor bronze in 2013, and earned eight senior caps for his country.
- He rose through Irish clubs West Muskerry AC and Leevale before competing for the University of Michigan and Florida State and turning professional in the United States.
- His elite career included training stints with the Nike Oregon Project and alongside Mo Farah, but it was repeatedly disrupted by injuries that led to retirements in 2016 and a final departure from competition in 2020.
- Tributes have come from clubs, coaches and peers worldwide and reporting is ongoing with no medical or investigative findings published so far so further details may follow in official statements or coroner reports.