Sigurður Þrastarson has officiated 88 matches on record, averaging 5.1 cards and 15.7 fouls per game — a strict official. A player is dismissed roughly once every 3 games, and the spot is pointed to 0.39 times per match. Home teams win 49% of matches under him, drawing 24% and losing 27%. Most active in the Besta deild (66 matches). 35% of his bookings come after the 75th minute, with the first card around the 32'. He cards more than 70% of Besta deild 2026 referees.