His father is Icelandic, and his mother is Norwegian; he now competes for that nation.

[2] Einarsson has participated in the Tour de Ski representing both Norway and Iceland.

His 18th place in the 50 km in the Seefeld World Championships and 15th place at the 2023 World Championships make him the most accomplished cross-country skier in Iceland ever.

[3] All results are sourced from the International Ski Federation (FIS).

[4] a Distance reduced to 30 km due to weather conditions.