I battled side stitches for the final 6 miles of yesterday's long run — 76°F, 92% humidity, dew point 72°. Here's what was actually happening, and why I'd do it again.

It's been 100°F in Philadelphia with brutal humidity. Same training, same mileage — but this week I ate 12.5% more calories than last week and still lost weight. Here's what that reveals about fixed calorie goals and real energy demand.

My goal was to lose half a pound. I gained 0.3 lbs. My coaching system predicted it before the scale confirmed it — here's the math.

Most nutrition plans weren't built for running — they were borrowed from general fitness and applied to a sport they were never designed for. Here's the system that actually accounts for the sport.

Emergency porta-potty stops at mile 4 aren't bad luck. They're a pattern — and once you understand how your gut actually works, you can fix it.

Traditional calorie tracking has blind spots most people never see. Here's where your deficit is actually disappearing — and how Metabolic Running accounts for the noise.