CrossFit Sero — HYROX Gym in Alkmaar

CrossFit Sero is a training club in Alkmaar built around variety, coaching quality and personal attention. The gym combines CrossFit with weightlifting, barbell and strength work, calisthenics and yoga, giving members a balanced mix of intensity, technique and recovery. Sessions are kept deliberately small, with a maximum of 12 people per class, so coaches can guide movement quality and adapt training to different levels. The atmosphere is described as accessible, safe and relaxed, which makes the gym suitable for people who want structured coaching without an intimidating feel. Sero also stands out for its broad weekly offer, with classes available throughout the week and open gym access for members who want to train independently. It is a good fit for athletes looking for a supportive community, clear coaching and a flexible training schedule in Alkmaar.

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CrossFit floor; open gym; equipment for CrossFit, HYROX, weightlifting, calisthenics, barbell & strength, yoga