Stephen Scullion competed in the marathon at the Tokyo 2020 Olympic Games, initially achieving the qualification standard when he finished fifth in the Houston Marathon, before sealing his position when he knocked two minutes off his PB with 2:09:49 at the 2020 London Marathon, just 34 seconds shy of Olympic Silver Medallist John Treacy’s Irish record of 2:09.15 set in Boston in 1988.