Yuki Joseph Nakajima (中島 佑気 ジョセフ, Nakajima Yuki Joseph; born 30 March 2002) is a Japanese sprinter who specializes in the 400 metres. He competed in the 400 metres at the 2023 World Athletics Championships, where he qualified for the semi-final. He competed at the 2025 World Athletics Championships, in Tokyo, Japan, running a personal best and Japanese national record 44.44 seconds in his heat before qualifying for the 400 metres final, placing sixth overall. He also ran at the championships in the men's 4 x 400 metres relay.
Source: “Yuki Joseph Nakajima”, English Wikipedia (CC BY-SA 4.0), excerpt
