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...
by David Geithner | Oct 24, 2022 | Diet, Fitness
There’s no doubt that diet impacts fitness. Whether you are deciding what to eat to highlight your abs, trying to control post-exercise inflammation through the foods you eat, or even choosing the healthiest sweet treats available, your food choices play a role in...
by David Geithner | Jan 20, 2022 | Fitness, Marathon, Running
There are spectacular marathons and half marathons around the world for those who enjoy running in historic locations. These include the Angkor Wat Half Marathon, the Easter Island Marathon, and the Inca Trail Marathon to Machu Picchu, just to name a few. To this list...
by David Geithner | Jan 12, 2022 | Fitness
We know that what we put in our bodies affects our fitness. For example, we know that if we want great abs, we need to eat plenty of protein. We also know that drinking alcohol can make it harder to stay in great physical shape and that eating certain foods after we...