Ko Ochiai (born 17 August 2006) is a Japanese middle-distance runner. He was a bronze medalist over 800 metres at theโฆ
Ko Ochiai (born 17 August 2006) is a Japanese middle-distance runner. He was a bronze medalist over 800 metres at the 2024 World Athletics U20 Championships. That year, and in 2025, he won the senior Japanese Athletics Championships over 800 metres and is the national record holder.
