Jan Byrczek
| Nationality | |
| Year of birth | 2000 |
| IOF ID | 34128 |
| Sex | Male |
| Discipline | FootO, MTBO, SkiO, TrailO |
FootO results
| Date | Championship/Cup/WRE | Organising federation | Format | Race Type/Class | Plac | Time | Diff | Km time | |
|---|---|---|---|---|---|---|---|---|---|
| 29/04/2023 | V TROFEO ARAGÓN ORIENTACIÓN |
|
Middle | M-E | 13 | 44:23 | +12:03 | 8:42 |  |
| 26/02/2023 | XXXV International Trophy Murcia Costa Cálida |
|
Long | M-E | 33 | 2:20:01 | +41:13 | |
|
| 25/02/2023 | XXXV International Trophy Murcia Costa Cálida |
|
Middle | M-E | 70 | 55:38 | +21:39 | |
|
| 05/02/2023 | XII Premi-O Comunitat Valenciana 2023 (Long) |
|
Long | M-E | 34 | 1:54:55 | +25:09 | |
|
| 04/02/2023 | XII Premi-O Comunitat Valenciana 2023 (Sprint) |
|
Sprint | M-E | 30 | 17:17 | +2:37 | |
|
| 04/02/2023 | XII Premi-O Comunitat Valenciana 2023 (Middle) |
|
Middle | M-E | 36 | 45:46 | +9:45 | |
|
| 04/06/2022 | Pomorze Sprint Cup 2022 |
|
Sprint | Men Elite | 11 | 18:17 | +3:52 | 7:56 | |
| 03/06/2022 | Pomorze Sprint Cup 2022 |
|
Sprint | Men Elite | did not start | |
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MTBO results
| Date | Championship/Cup/WRE | Organising federation | Format | Race Type/Class | Plac | Time | Diff | Km time | |
|---|---|---|---|---|---|---|---|---|---|
| 12/08/2018 | Sprint |
|
Sprint | Men junior | 30 | 21:06 | +5:05 | 2:49 | |
| 11/08/2018 | Long |
|
Men Junior | |
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| 09/08/2018 | Relay |
|
Relay | Men Junior | mispunched | |
|||
| 08/08/2018 | Middle |
|
Middle | Men Junior | mispunched | |
|||
| 07/08/2018 | Mass start |
|
Long | Men junior | 28 | 1:36:23 | +22:20 | 5:02 | |
| 30/06/2018 | Middle |
|
Middle | M20 | did not finish | |
|||
| 29/06/2018 | Long |
|
Long | M20 | 21 | 2:34:34 | +1:03:00 | 8:00 | |
| 28/06/2018 | Sprint |
|
Sprint | M20 | 30 | 28:53 | +8:17 | 3:36 | |