by David Geithner | Feb 26, 2026 | AI, Fitness
For decades, athletic training followed a familiar formula: train hard, rest strategically, repeat. Coaches relied on their own experience, instinct, tradition, and visible performance markers like pace, power, and heart rate. Now, a quieter revolution is underway....
by David Geithner | Feb 16, 2026 | AI, Fitness
For many people, fitness isn’t just about “getting some exercise.” It’s about shaving minutes off a marathon time, improving power output on the bike, earning a new belt in martial arts, or simply training smarter year after year without burning out. Serious...
