is a Japanese retired

track and field Track and field (or athletics in British English) is a sport that includes Competition#Sports, athletic contests based on running, jumping, and throwing skills. The name used in North America is derived from where the sport takes place, a ru ...

sprinter who specialized in the

400 metres The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is ...

. His personal best in the event was 46.00 seconds set in

Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

in 2013. He competed in the

4 × 400 metres relay The 4 × 400 metres relay or long relay is an athletics track and field, track event in which teams consist of four runners who each complete 400 metres or one lap, totaling 1600 meters. It is traditionally the final event of ...

at the 2013 World Championships.

Personal best

International competition

National titles

References

External links

*
Kengo Yamasaki
at JAAF
Kengo Yamasaki
at TBS
Kengo Yamasaki
at Monteroza (archived) * 1992 births Living people Japanese male sprinters Athletes from Ibaraki Prefecture World Athletics Championships athletes for Japan Competitors at the 2013 Summer Universiade Nihon University alumni 21st-century Japanese sportsmen {{Japan-sprint-athletics-bio-stub