| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Halmstad | Allsvenskan | 2 | 0 | 0 | 1 | 0 | 6.8 |
| 2025 | Halmstad | Allsvenskan | 20 | 0 | 0 | 4 | 1 | 6.7 |
| 2024 | Halmstad | Allsvenskan | 27 | 2 | 0 | 4 | 1 | 6.7 |
| 2023 | Halmstad | Allsvenskan | 15 | 1 | 1 | 4 | 1 | 6.6 |
| 2022 | Skovde AIK | Superettan | 23 | 0 | 0 | 5 | 1 | – |
| 2021 | Skovde AIK | Superettan | 2 | 0 | 0 | 0 | 0 | – |
| 2021 | Skovde AIK | Division 1 - Södra | 17 | 0 | 0 | 3 | 0 | – |
| Total | 106 | 3 | 1 | 21 | 4 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| - | Skovde AIK | Halmstad | Return from loan | |
| - | Halmstad | Skovde AIK | Loan | |
| 12 Jun 2021 | Skovde AIK | Halmstad | Return from loan | |
| 01 Aug 2021 | Halmstad | Skovde AIK | Loan |
G. Wallentin career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.