Katrina Blackburn is an American professional bodybuilder competing in the IFBB Pro League Women's Physique division. She earned her pro card by winning her class at the 2024 NPC USA Championships, where she placed first in Women's Physique Class B.
Blackburn's competitive trajectory began in the national amateur circuit. At the 2023 NPC Ultimate Grand Prix, she secured the overall title in the Women's Physique category, establishing herself as a top-tier amateur competitor. She carried this momentum into 2024, winning the women's physique class at the NPC USA Championships to secure her professional status. Later that year, she competed at the NPC Universe in the Women's Physique division, finishing third. Following her transition to the professional ranks, Blackburn made her IFBB Pro debut at the 2025 Tampa Pro, competing in the Women's Physique Open division and placing ninth. She subsequently competed at the 2025 Chicago Pro, where she placed eleventh in the Women's Physique division.
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