Gabriel hallsson is a 20-year-old professional football player from ISL. He currently plays for Breidablik, wearing the number 29 shirt. He plays primarily as a Defender.

Throughout the Iceland Besta-deild karla 2025, Gabriel hallsson featured in 26 matches, averaging 0.6 tackles, 0.2 interceptions, and 0.4 clearances per game, while blocking 0.1 shots per game.