AG
About
Anton Gustafsson is one of Sweden's strongest trail runners and a three-time Swedish 100 km champion who regularly logs training weeks of 270 km. He first gained national attention through Swedish championship victories in the 100 km discipline and has since pushed onto the international stage. In 2025 he won the KAT100 by UTMB in the 50K category and won the RunThrough Trails Engelberg 56K in Switzerland. He represented Sweden at the 2025 World Mountain and Trail Running Championships in the long trail event (82 km). Known for his high-volume training approach and consistent mountain pacing, Gustafsson is regarded as a benchmark runner for Scandinavian ultra running depth.
Notable Wins
- — Swedish 100K Championship (×3)
- — KAT100 by UTMB 50K 2025
- — RunThrough Trails Engelberg 56K 2025
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