Yumeki
KOJIMA
Nationality
JPN
Discipline
AQUA and Olympic medals
Personal Best Results
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| Event | Time | Medal | Pool Length | Age* | Competition | Comp Country | Date |
|---|---|---|---|---|---|---|---|
| Men's 50m Backstroke | 25.85 | - | 25m | 16 | World Aquatics Swimming World Cup 2025 |
|
19/10/2025 |
| Men's 100m Backstroke | 54.49 | - | 25m | 16 | World Aquatics Swimming World Cup 2025 |
|
19/10/2025 |
| Men's 200m Backstroke | 01:53.38 | - | 25m | 16 | World Aquatics Swimming World Cup 2025 |
|
10/10/2025 |
| Men's 100m Medley | 54.09 | - | 25m | 16 | World Aquatics Swimming World Cup 2025 |
|
17/10/2025 |
| Men's 50m Butterfly | 25.09 | - | 25m | 16 | World Aquatics Swimming World Cup 2025 |
|
18/10/2025 |
| Men's 200m Medley | 01:55.16 | - | 25m | 16 | World Aquatics Swimming World Cup 2025 |
|
24/10/2025 |
| Men's 100m Butterfly | 56.06 | - | 25m | 15 | 2024 Japan National Swimming Championships (25m) |
|
19/10/2024 |
| Men's 400m Medley | 04:08.91 | - | 25m | 15 | 2024 Japan National Swimming Championships (25m) |
|
19/10/2024 |
| Men's 100m Freestyle | 50.21 | Silver | 50m | 15 | JOC Junior Olympic Cup Swimming Competition Summer Session (50m) |
|
25/08/2024 |
| Men's 200m Freestyle | 01:50.07 | - | 50m | 15 | Japan Open 2024 (50m) |
|
29/11/2024 |
| Men's 400m Freestyle | 04:07.04 | Silver | 50m | 15 | JOC Junior Olympic Cup Swimming Competition Summer Session (50m) |
|
24/08/2024 |
| Men's 800m Freestyle | 08:17.06 | Silver | 50m | 15 | JOC Junior Olympic Cup Swimming Competition Summer Session (50m) |
|
24/08/2024 |
| Men's 1500m Freestyle | 15:41.72 | Silver | 50m | 15 | JOC Junior Olympic Cup Swimming Competition Summer Session (50m) |
|
24/08/2024 |
| Men's 100m Backstroke | 54.05 | Gold | 50m | 16 | 79th Japan Games (50m) |
|
15/09/2025 |
| Men's 200m Backstroke | 01:56.70 | Gold | 50m | 16 | 79th Japan Games (50m) |
|
13/09/2025 |
| Men's 50m Butterfly | 25.13 | Silver | 50m | 16 | World Aquatics Junior Swimming Championships 2025 |
|
20/08/2025 |
| Men's 200m Medley |
01:56.53
WJ
|
Silver | 50m | 17 | 2026 Japan Swim (50m) |
|
21/03/2026 |
| Men's 100m Butterfly | 55.97 | - | 50m | 17 | 2026 Japan Swim (50m) |
|
22/03/2026 |
| Men's 400m Medley |
04:08.84
WJ
|
Silver | 50m | 17 | 2026 Japan Swim (50m) |
|
22/03/2026 |
| Men's 50m Freestyle | 24.08 | Silver | 50m | 15 | JOC Junior Olympic Cup Swimming Competition Summer Session (50m) |
|
25/08/2024 |
| Men's 4x100m Freestyle Relay | 03:18.40 | - | 50m | - | World Aquatics Junior Swimming Championships 2025 |
|
19/08/2025 |
| Men's 4x200m Freestyle Relay | 07:12.47 | Silver | 50m | - | World Aquatics Junior Swimming Championships 2025 |
|
22/08/2025 |
| Men's 50m Backstroke | 26.54 | - | 50m | 16 | 79th Japan Games (50m) |
|
15/09/2025 |
| Men's 4x100m Medley Relay | 03:35.00 | Gold | 50m | - | World Aquatics Junior Swimming Championships 2025 |
|
24/08/2025 |
| Mixed 4x100m Freestyle Relay | 03:40.39 | Gold | 50m | - | 11th Asian Age Group Championships 2024 (50m) |
|
29/02/2024 |
| Mixed 4x100 Medley Relay | 03:45.57 | Gold | 50m | - | World Aquatics Junior Swimming Championships 2025 |
|
20/08/2025 |
