William Horkoff

Most age group triathletes massively overestimate what they can do in 2-6 months. At the same time, they completely underestimate what they can become in 1-3 years of consistent, structured training. That is one of the biggest mindset shifts I try to teach athletes. Triathlon is not a shortcut sport. You do not go from beginner to elite age grouper because you found the perfect 12-week plan, smashed a few sessions, bought carbon everything, and watched one Norwegian training video on YouTube....

Every year I hear the same thing from age group athletes after a race. “I don’t get it. I trained so hard.” They did the long rides. They hit the intervals. They showed up consistently. And yet somewhere around 25 to 32 km into the marathon, the wheels completely came off. The pace drops. The stride shortens. The heart rate climbs. What was supposed to be a strong finish turns into survival. This is not about toughness. It is rarely about motivation. It is almost always physiology. Most...

One of the most common mistakes new runners make is increasing their mileage too quickly. They begin running, see rapid improvements in fitness, and assume the solution is simply to run more. They see experienced runners logging 80, 100, or even 160 kilometers per week and believe that more mileage is the direct path to better performance. They aren’t wrong in principle. Higher mileage is one of the most powerful drivers of endurance performance. But they’re missing one critical reality: the...