Sean O’Hagan has competed professionally in strongman since 2015. He finished 13th at the 2017 World’s Strongest Man and reached the finals again in 2019, placing 10th. O’Hagan deadlifted 420kg at the 2018 Giants Live Wembley and won the 2022 UK’s Strongest Man title. He is particularly known for his prowess in the Atlas Stones, regularly posting top event times in major competitions.