# Mathias Trettenes

Mathias Trettenes (born 8 November 1993) is a Norwegian professional ice hockey forward who currently plays for HC La Chaux-de-Fonds in the Swiss League (SL).

## Playing career

Trettenes played as a youth in Sweden as a part of the junior program Modo Hockey. He began his professional career in his native Norway, playing with the Stavanger Oilers of the GET-ligaen. After five seasons with the Oilers, he returned to Sweden to play the 2016–17 season, with Almtuna IS of the HockeyAllsvenskan.
After a single season with Almtuna, Trettenes opted to move to Germany in agreeing to a one-year deal with Krefeld Pinguine of the DEL on 7 June 2017. In the 2018–19 season, his second with the Krefeld, Trettenes contributed with 10 points in 44 games before leaving as a free agent at the conclusion of the year.
On 4 May 2020 Trettenes joined HC La Chaux-de-Fonds of the second-tier Swiss League (SL) on a one-year deal.

## Career statistics
### Regular season and playoffs

| | | | Regular season | Regular season | Regular season | Regular season | Regular season | Playoffs | Playoffs | Playoffs | Playoffs | Playoffs |
| Season | Team | League | GP | G | A | Pts | PIM | GP | G | A | Pts | PIM |
| 2007–08 | Viking Hockey | NOR U17 | 6 | 0 | 1 | 1 | 0 | — | — | — | — | — |
| 2008–09 | Viking Hockey | NOR U17 | 13 | 30 | 42 | 72 | 20 | — | — | — | — | — |
| 2009–10 | Modo Hockey | J18 | 18 | 6 | 9 | 15 | 14 | — | — | — | — | — |
| 2009–10 | Modo Hockey | J18 Allsv | 14 | 0 | 3 | 3 | 14 | 4 | 1 | 2 | 3 | 0 |
| 2009–10 | Modo Hockey | J20 | 5 | 0 | 0 | 0 | 2 | — | — | — | — | — |
| 2010–11 | Modo Hockey | J18 | 22 | 18 | 26 | 44 | 52 | — | — | — | — | — |
| 2010–11 | Modo Hockey | J18 Allsv | 18 | 6 | 12 | 18 | 12 | 3 | 2 | 0 | 2 | 4 |
| 2010–11 | Modo Hockey | J20 | 5 | 0 | 1 | 1 | 0 | — | — | — | — | — |
| 2011–12 | Stavanger Oilers | NOR | 30 | 4 | 13 | 17 | 14 | 14 | 0 | 2 | 2 | 8 |
| 2011–12 | Stavanger Oilers II | NOR.2 | 11 | 6 | 15 | 21 | 14 | — | — | — | — | — |
| 2012–13 | Stavanger Oilers | NOR | 27 | 4 | 11 | 15 | 6 | 17 | 2 | 3 | 5 | 4 |
| 2013–14 | Stavanger Oilers | NOR | 44 | 13 | 19 | 32 | 32 | 17 | 3 | 5 | 8 | 6 |
| 2014–15 | Stavanger Oilers | NOR | 44 | 19 | 27 | 46 | 12 | 15 | 2 | 6 | 8 | 16 |
| 2015–16 | Stavanger Oilers | NOR | 42 | 16 | 20 | 36 | 6 | 17 | 3 | 5 | 8 | 6 |
| 2016–17 | Almtuna IS | Allsv | 45 | 7 | 6 | 13 | 14 | 5 | 0 | 2 | 2 | 0 |
| 2017–18 | Krefeld Pinguine | DEL | 47 | 5 | 12 | 17 | 16 | — | — | — | — | — |
| 2017–18 | Stavanger Oilers | NOR | 3 | 0 | 1 | 1 | 2 | 5 | 0 | 2 | 2 | 10 |
| 2018–19 | Krefeld Pinguine | DEL | 44 | 4 | 6 | 10 | 12 | — | — | — | — | — |
| 2019–20 | Stavanger Oilers | NOR | 44 | 15 | 41 | 56 | 39 | — | — | — | — | — |
| 2020–21 | HC La Chaux–de–Fonds | SUI.2 | 33 | 13 | 26 | 39 | 18 | 8 | 0 | 4 | 4 | 0 |
| 2020–21 | EHC Biel | NL | 4 | 0 | 3 | 3 | 0 | 2 | 0 | 0 | 0 | 14 |
| 2021–22 | HC La Chaux–de–Fonds | SUI.2 | 49 | 18 | 39 | 57 | 16 | 12 | 2 | 5 | 7 | 8 |
| 2021–22 | EHC Biel | NL | 4 | 0 | 1 | 1 | 0 | — | — | — | — | — |
| NOR totals | NOR totals | NOR totals | 234 | 71 | 132 | 203 | 111 | 85 | 10 | 23 | 33 | 50 |

### International

| Year | Team | Event | GP | G | A | Pts | PIM |
| 2011 | Norway | WJC18 | 6 | 0 | 2 | 2 | 16 |
| 2012 | Norway | WJC D1A | 5 | 1 | 3 | 4 | 14 |
| 2013 | Norway | WJC D1A | 5 | 1 | 4 | 5 | 4 |
| 2015 | Norway | WC | 5 | 0 | 0 | 0 | 2 |
| 2016 | Norway | WC | 7 | 0 | 0 | 0 | 2 |
| 2016 | Norway | OGQ | 3 | 0 | 0 | 0 | 0 |
| 2017 | Norway | WC | 7 | 0 | 0 | 0 | 8 |
| 2018 | Norway | OG | 4 | 0 | 0 | 0 | 0 |
| 2018 | Norway | WC | 5 | 1 | 1 | 2 | 0 |
| 2019 | Norway | WC | 7 | 2 | 1 | 3 | 0 |
| 2021 | Norway | WC | 7 | 3 | 4 | 7 | 0 |
| 2021 | Norway | OGQ | 3 | 0 | 1 | 1 | 0 |
| 2022 | Norway | WC | 7 | 0 | 3 | 3 | 2 |
| Junior totals | Junior totals | Junior totals | 16 | 2 | 9 | 11 | 34 |
| Senior totals | Senior totals | Senior totals | 55 | 6 | 10 | 16 | 14 |