She won the Icelandic championship in 2007 and 2009 as a member of Haukar and was named to the Úrvalsdeild Domestic All-First Team in 2011 and 2017.

[2] During the offseason, Haukar lost several key players, including stars Helena Sverrisdóttir and Pálína Gunnlaugsdóttir.

[11] After the season, she left Haukar and joined Swedish club KFUM Sundsvall[12][13] in the then second-tier Basketettan.

[16] She was cleared by the Federations disciplinary court as it concluded that it did not have jurisdiction over incidents where a referee called a foul on player but did not eject him.

[20] Despite Ragna averaging 12.6 points and 9.4 rebounds, Stjarnan finished with a 3–21 record, barely escaping relegation.

The following season, Ragna averaged 13.0 points and 9.3 rebounds, helping Stjarnan secure a playoff spot for the first time in the club's history.

[23] On 3 February 2018, Ragna collided with Snæfell's Anna Soffía Lárusdóttir, resulting in a concussion that forced her to miss the rest of the season.