World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan competes in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima (L) of Japan and Bayapo Ndori of Botswana compete in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025. Ndori won bronze.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan competes in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima (L) of Japan and Bayapo Ndori of Botswana compete in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025. Ndori won bronze.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima (L) of Japan and Bayapo Ndori of Botswana compete in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025. Ndori won bronze.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan acknowledges the crowd while holding a national flag after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan acknowledges the crowd after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan lies on his back after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan holds a national flag after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan lies on his back after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan holds a national flag after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan holds a national flag after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan competes in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan holds a national flag after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan competes in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan lies on his back after finishing sixth in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima (L) of Japan and Bayapo Ndori of Botswana cross the finish line in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025. Ndori won bronze.

World Athletics Championships Tokyo 2025

World Athletics Championships Tokyo 2025

Yuki Joseph Nakajima of Japan competes in the men's 400-meter final at the World Athletics Championships at National Stadium in Tokyo on Sept. 18, 2025.

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.

Paris Olympics: Athletics

Paris Olympics: Athletics

Japan's runners -- (from L) Yuki Joseph Nakajima, Kaito Kawabata, Fuga Sato and Kentaro Sato -- are pictured after finishing sixth in the men's 4x400-meter relay final at the Paris Olympics on Aug. 10, 2024, at Stade de France in Saint-Denis near Paris.

Paris Olympics: Athletics

Paris Olympics: Athletics

Japan's Kaito Kawabata (R) sprints sets off after receiving the baton from Yuki Joseph Nakajima in the men's 4x400-meter relay final at the Paris Olympics on Aug. 10, 2024, at Stade de France in Saint-Denis near Paris.

Paris Olympics: Athletics

Paris Olympics: Athletics

Japan's Yuki Joseph Nakajima (top) hands the baton to Kaito Kawabata in the men's 4x400-meter relay final at the Paris Olympics on Aug. 10, 2024, at Stade de France in Saint-Denis near Paris.

Paris Olympics: Athletics

Paris Olympics: Athletics

Japan's Yuki Joseph Nakajima (R) and Gardeo Isaacs of South Africa start in the men's 4x400-meter relay final at the Paris Olympics on Aug. 10, 2024, at Stade de France in Saint-Denis near Paris.

Athletics: World championships

Athletics: World championships

Yuki Joseph Nakajima of Japan competes in a men's 400 meters semifinal during the world athletics championships in Budapest on Aug. 22, 2023.

World Athletics Championships 2023 - Budapest

World Athletics Championships 2023 - Budapest

Quincy HALL of USA and Yuki Joseph NAKAJIMA of JAP Heat 5 400 METRES MEN during the World Athletics Championships 2023 on August 20, 2023 at Nemzeti Atletikai Kozpont in Budapest, Hungary. Photo by Laurent Lairys/ABACAPRESS.COM

Athletics: Diamond League meet

Athletics: Diamond League meet

Yuki Joseph Nakajima of Japan competes in the men's 400-meter final at the Diamond League athletics meet in Stockholm on July 2, 2023.

Japan's Nakajima competes in women's biathlon relay

Japan's Nakajima competes in women's biathlon relay

SOCHI, Russia - Japan's second runner Yuki Nakajima skis in the women's biathlon 4x6-kilometer relay at the Laura Cross-country Ski & Biathlon Center during the Winter Olympics in Sochi, Russia, on Feb. 21, 2014.

Team Japan competes in women's biathlon relay

Team Japan competes in women's biathlon relay

SOCHI, Russia - Japan's second runner Yuki Nakajima (R) tags third runner Miki Kobayashi in the women's biathlon 4x6-kilometer relay at the Laura Cross-country Ski & Biathlon Center during the Winter Olympics in Sochi, Russia, on Feb. 21, 2014.

Team Japan competes in women's biathlon relay

Team Japan competes in women's biathlon relay

SOCHI, Russia - Japan's Yuki Nakajima (L) starts her sprint after shooting her rifle in the women's biathlon 4x6-kilometer relay at the Laura Cross-country Ski & Biathlon Center during the Winter Olympics in Sochi, Russia, on Feb. 21, 2014.

Team Japan competes in women's biathlon relay

Team Japan competes in women's biathlon relay

SOCHI, Russia - Japan's first runner Fuyuko Suzuki (R) tags second runner Yuki Nakajima in the women's biathlon 4x6-kilometer relay at the Laura Cross-country Ski & Biathlon Center during the Winter Olympics in Sochi, Russia, on Feb. 21, 2014.

Team Japan competes in women's biathlon relay

Team Japan competes in women's biathlon relay

SOCHI, Russia - Japan's Yuki Nakajima (L) competes in the women's biathlon 4x6-kilometer relay at the Laura Cross-country Ski & Biathlon Center during the Winter Olympics in Sochi, Russia, on Feb. 21, 2014.

Japan's Nakajima in women's biathlon 15km

Japan's Nakajima in women's biathlon 15km

SOCHI, Russia - Yuki Nakajima (2nd from front) of Japan competes in a shooting segment of the women's biathlon individual 15km event at the 2014 Sochi Winter Olympic Games in Russia on Feb. 14, 2014. Nakajima finished in 75th place.

Japan's Nakajima 69th in women's biathlon 7.5km sprint

Japan's Nakajima 69th in women's biathlon 7.5km sprint

SOCHI, Russia - Yuki Nakajima of Japan sprints in the Winter Olympics women's biathlon 7.5km sprint at the Laura Cross-country Ski & Biathlon Center in Sochi, Russia, on Feb. 9, 2014. Nakajima finished in 69th place.

Japan's Nakajima in women's 7.5-km sprint at Sochi

Japan's Nakajima in women's 7.5-km sprint at Sochi

SOCHI, Russia - Japanese athlete Yuki Nakajima competes during the 7.5-kilometer sprint in women's biathlon at the 2014 Sochi Winter Olympic Games on Feb. 9, 2014.

Japan's Nakajima 69th in women's biathlon 7.5km sprint

Japan's Nakajima 69th in women's biathlon 7.5km sprint

SOCHI, Russia - Yuki Nakajima of Japan sprints in the Winter Olympics women's biathlon 7.5km sprint at the Laura Cross-country Ski & Biathlon Center in Sochi, Russia, on Feb. 9, 2014. Nakajima finished in 69th place.