Kosei Kobayashi
- Japan
- Born: 2001
Starts
2
Full Athlete Results
| Date | Date | Pos | Event | Time |
|---|---|---|---|---|
| 2023-10-15 |
15 Oct
2023 |
19 |
2023 JPN Triathlon National Championships U23 Men |
02:00:20 |
| 2023-10-15 |
15 Oct
2023 |
44 |
2023 JPN Triathlon National Championships Elite Men |
02:00:20 |