Sonja MacAulay

Sonja MacAulay brings over 30 years of experience in the fitness industry to Undefeated CrossFit. She holds a Bachelor of Physical Education from the University of Manitoba and a Bachelor of Education from St. Boniface College. A dedicated lifelong learner and athlete, Sonja is also a CrossFit Level 1 Trainer.

By day, Sonja is a passionate French Immersion Physical Education teacher, where she also leads programs in Outdoor Education and Female Fitness. Her energy, knowledge, and love for movement inspire students and athletes alike to push their limits and find joy in being active.

Outside the gym and classroom, Sonja thrives on adventure—competing in adventure races, refereeing rugby, embarking on canoe trips, and hitting the squash courts. She’s deeply committed to coaching and helping people discover their strength, confidence, and potential through fitness.

CrossFit Level 1

Bachelor of Physical Education 

Bachelor of Education

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