Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan (far R) and other athletes compete in a men's 400-meter heat during the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan (C), alongside Bayapo Ndori (L) of Botswana and Cooper Sherman of Australia, competes in a men's 400-meter heat during the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

(from L) Bayapo Ndori of Botswana, Cooper Sherman of Australia, Yuki Joseph Nakajima of Japan, and Chidi Okezie of Nigeria, compete in a men's 400-meter heat during the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima (C) of Japan, alongside Bayapo Ndori (L) of Botswana and Cooper Sherman of Australia, crosses the finish line in a men's 400-meter heat during the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan reacts after finishing second in a men's 400-meter heat at the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan reacts after finishing second in a men's 400-meter heat at the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan reacts after finishing second in a men's 400-meter heat at the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan reacts after finishing second in a men's 400-meter heat at the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan reacts after finishing second in a men's 400-meter heat at the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan reacts after finishing second in a men's 400-meter heat at the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima of Japan competes in a men's 400-meter heat during the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.

Athletics: World championships in Tokyo

Athletics: World championships in Tokyo

Yuki Joseph Nakajima (2nd from L) of Japan finishes second in a men's 400-meter heat during the World Athletics Championships at the National Stadium in Tokyo, Sept. 14, 2025. Nakajima set a new national record of 44.44 seconds.