| Nafn | Kyn | Fæð.dags | Aldur | Félag | Fj. Gull | Fj. Silfur | Fj. Brons | Heiti móts | Staður | Dags.Móts |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 14ár 11mán 27dagar | ÍR | 1 | 0 | 0 | Norðurlandamót 19 ára og yngri | Akureyri | 28.8.2010 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 15ár 9mán | ÍR | 1 | 1 | 0 | Smáþjóðaleikarnir | Liechtenstein | 1.6.2011 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 16ár 2dagar | ÍR | 0 | 0 | 0 | Nordic Junior Championships | Kaupmannahöfn | 3.9.2011 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 16ár 11mán 18dagar | ÍR | 0 | 0 | 0 | Norðurlandamót Unglinga | Växjö, SE | 19.8.2012 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 17ár 9mán 29dagar | ÍR | 0 | 0 | 0 | Evrópubikarkeppni í sjöþraut, 2. deild | Ribeira Brava, Portúgal | 30.6.2013 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 17ár 10mán 17dagar | ÍR | 0 | 0 | 0 | Evrópameistaramót 19 ára og yngri | Rieti, IT | 18.7.2013 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 17ár 11mán 17dagar | ÍR | 2 | 0 | 0 | Norðurlandamót Unglinga | Espoo | 18.8.2013 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 19ár 9mán 1dagar | FH | 1 | 1 | 0 | Games of the Small States of Europe 2015 | Reykjavík | 2.6.2015 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 19ár 9mán 19dagar | FH | 0 | 0 | 1 | Evrópukeppni Landsliða 2. deild | Stara Zagora, BUL | 20.6.2015 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 19ár 10mán 8dagar | FH | 0 | 0 | 0 | Evrópumeistaramót Unglinga U23 | Tallnn, EE | 9.7.2015 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 20ár 9mán 10dagar | FH | 1 | 1 | 0 | Championships of the Small States of Europe | Marsa, Malta | 11.6.2016 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 20ár 10mán 5dagar | FH | 0 | 0 | 0 | Evrópumeistaramót | Amsterdam, HOL | 6.7.2016 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 21ár 8mán 29dagar | FH | 1 | 0 | 0 | Games of the Small States of Europe | San Marino | 30.5.2017 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 21ár 9mán 23dagar | FH | 0 | 1 | 0 | Evrópukeppni landsliða | Tel Aviv, ISR | 24.6.2017 |
| Arna Stefanía Guðmundsdóttir | Kona | 1.9.1995 | 21ár 10mán 12dagar | FH | 0 | 0 | 1 | Evrópumeistarmót U23 | Bydgoszcz, POL | 13.7.2017 |