| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2019 | Pepsideild | 10 | 682 | 0 | 0 | 0 | — |
| 2020 | Pepsideild | 16 | 895 | 0 | 0 | 0 | — |
| 2021 | Pepsideild | 16 | 566 | 1 | 0 | 0.16 | — |
| 2022 | Pepsideild | 17 | 1228 | 0 | 0 | 0 | — |
| 2023 | Inkasso-Deildin | 22 | 1591 | 0 | 1 | 0.06 | — |
| 2024 | Pepsideild | 26 | 2299 | 5 | 2 | 0.27 | 7.32 |
| 2025 | Pepsideild | 26 | 2220 | 2 | 6 | 0.32 | 6.92 |
| 2026 | Pepsideild | 14 | 1240 | 1 | 2 | 0.22 | 6.77 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-08-15
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Breidablik | 6 | 2 | 1 | 3 | 0 | 0 | 1 | 0 |
 Víkingur Reykjavík | 5 | 1 | 0 | 4 | 0 | 0 | 3 | 0 |
 Fram | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 |
 Valur | 4 | 1 | 0 | 3 | 1 | 0 | 1 | 0 |
 KA Akureyri | 4 | 3 | 0 | 1 | 1 | 1 | 1 | 0 |
 KR Reykjavík | 4 | 2 | 0 | 2 | 0 | 2 | 1 | 0 |
 Stjarnan | 4 | 0 | 0 | 4 | 0 | 0 | 2 | 0 |
 Vestri | 3 | 2 | 0 | 1 | 0 | 1 | 0 | 0 |
 FH | 3 | 0 | 1 | 2 | 1 | 0 | 0 | 0 |
 Afturelding | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 ÍBV | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fjölnir | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Leiknir Reykjavík | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Selfoss | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Grótta | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Ægir | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 HK | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
 Thróttur Reykjavík | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Fylkir | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sindri | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Ukraine U17 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Germany U17 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Finland U17 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Russia U17 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Faroe Islands U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Hungary U17 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Belgium U19 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Albania U19 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Gibraltar U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Belarus U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Slovenia U17 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Portugal U17 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
J. Gíslason closed the 2026 Pepsideild campaign on 1 goal and 2 assists from 14 outings (1,240 minutes) — 0.22 goal involvements per 90. Per-match rating over the season: 6.77.
8 league seasons sit on his record, from 2019 to 2026 across 2 clubs. Season ratings peak at 7.32 in 2024, Pepsideild and bottom out at 6.77 in 2026.
