Runar Thor Sigurgeirsson is a 27-year-old professional football player from ISL. He currently plays for Sonderjyske, wearing the number 21 shirt. He plays primarily as a Defender. He stands at 186cm tall and weighs 69kg. His preferred foot is Left. His current market value is estimated at 400K €.

His most recent move was a Free from Willem II to Sonderjyske on 2025-09-01.

Throughout the Danish Superliga 2025-2026, Runar Thor Sigurgeirsson featured in 3 matches, averaging 0.7 tackles, 1 interceptions, and 1 clearances per game, while blocking 0.3 shots per game.