NWFP co-founder Matt Holland recently underwent back surgery after years of cumulative injury, and the story behind it shaped everything about how we coach. Twelve surgeries, four car accidents, and decades of rebuilding his own body turned him into one of Seattle's most empathetic personal trainers. This is the post he didn't plan to write, and the one worth reading.

Wondering why NW Fitness Project rotates between strength, hypertrophy, and endurance? We break down undulating periodization—what the research actually says, and why it works for real people in small group training.

Heart rate zones are tools, not rules. Seattle-based Ironman coach Steven Pust explains why most runners get stuck in the Zone 3 gray zone—where easy runs are too hard and hard workouts aren't hard enough. Learn how to preserve interval integrity, balance intensity with recovery, and use heart rate training to improve performance without burnout. Whether you're training for marathons, triathlons, or just trying to stop feeling tired all the time, discover how polarized training and proper zone usage can transform your results.