Eslund previously played for Reign FC of the American National Women's Soccer League, Melbourne City of the Australian W-League, and Vålerenga in Norway's Toppserien.

[9] Eslund signed with American side Reign FC ahead of the 2018 National Women's Soccer League season in January 2018.

[10][11] She made her debut for Seattle as a starting defender during the home opener — a 2–1 win over the Washington Spirit on 24 March.

She scored in the final as Denmark beat Switzerland on penalties after a 1–1 draw at Stade Sébastien Charléty in Paris.

[14] Eslund made her senior international debut for Denmark in March 2008, during the team's 1–0 win over Germany at the 2008 Algarve Cup.