LA-WM 2023Sa, 19.08. - So, 27.08.
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| Y. Yamamoto | Yuma Yamamoto | Japan | 01.05.2000 |
| T. Yamanishi | Toshikazu Yamanishi | Japan | 15.02.1996 |
| I. Yamashita | Ichitaka Yamashita | Japan | 29.07.1997 |
| H. Yanagita | Hiroki Yanagita | Japan | 25.07.2003 |
| A. Yanai | Ayane Yanai | Japan | 24.12.2003 |
 | C. Yang | Chun-Han Yang | Taiwan | 01.01.1997 |
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| S. Yang | Shaohui Yang | China | 09.07.1992 |
| J. Yao | Jie Yao | China | 21.09.1990 |
 | N. Yarigo | Noélie Yarigo | Benin | 26.12.1985 |
 | J. Yarraji | Jyothi Yarraji | Indien | 28.08.1999 |
 | T. Yaseen | Taha Hussein Yaseen | Irak | 01.01.1998 |
 | W. Yavi | Winfred Mutile Yavi | Bahrain | 31.12.1999 |
 | R. Yeboah | Rose Amoanimaa Yeboah | Ghana | 23.12.2001 |
 | R. Yee | Regan Yee | Kanada | 04.07.1995 |
| D. Yefremov | David Yefremov | Kasachstan | 15.01.1999 |
 | J. Yego | Julius Yego | Kenia | 04.01.1989 |
 | Y. Yehualaw | Yalemzerf Yehualaw | Äthiopien | 03.08.1999 |
| T. Yokochi | Taiga Yokochi | Japan | 01.10.2000 |
| H. Yoshida | Hiromichi Yoshida | Japan | 08.08.1999 |
 | A. Young | Alex Young | USA | 17.04.1994 |
 | C. Young | Charokee Young | Jamaika | 21.08.2000 |
 | K. Youssuf | Khadar Basheer Youssuf | Somalia | 25.07.1997 |