100-Day VO2 Max Experiment: What Actually Works | CFBC from CrossFit BC. A coached 100-day VO2 max plan: the real 80/20 split, why wrist heart rate mis-reads Zone 2, one weekly 4x4 session, and how to test and retest without a lab.
CrossFit BC is a coaching gym in Olympic Village, Vancouver, at 278 East 1st Avenue. We run CrossFit, HYROX race prep, Olympic weightlifting, small-group and 1-on-1 coaching seven days a week.