| Personal information | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Born | 17 August 2006 | ||||||||||||||||||||
| Sport | |||||||||||||||||||||
| Sport | Athletics | ||||||||||||||||||||
| Event | Middle distance running | ||||||||||||||||||||
| Achievements and titles | |||||||||||||||||||||
| Personal bests | 800m: 1:44.80 (Fukuoka, 2024) NR | ||||||||||||||||||||
Medal record
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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. [1]
He won the 2024 Asian U20 Athletics Championships over 800 metres in Dubai in April 2024. [2] He won the senior Japanese Athletics Championships title in June 2024 with a time of 1:46.56. [3]
Later that year, he went into the 800 metres at the 2024 World Athletics U20 Championships as not only the Japanese and Asian under-20 champion, but the Japanese national record holder, having broken the record first in June 2024, with a time of 1:45.82, which he then lowered to 1:44.80 in July of that year. [4] He proceeded to win the bronze medal in August 2024 at the Championships in Lima, Peru, finishing behind Ethiopian General Ayansa and Peyton Craig of Australia, in third place in a time of 1:47.03. [5]
He finished fifth over 800 metres at the 2025 Asian Athletics Championships in Gumi, South Korea, running 1:48.01, having been the fastest qualifier from the semi-finals in 1:46.24. [6] [7]
He retained his the senior Japanese Athletics Championships 800 metres title in June 2025 in Tokyo, winning with a time of 1:45.93. [8] He competed for Japan at the 2025 Summer World University Games in Bochum, Germany in the 800 metres. [9]
He was named as part of the Japanese team for the 800 metres at the home 2025 World Athletics Championships held in Tokyo in September. [10]
