We reveal how Koop AI turns 25 years of coaching into an adaptive, terrain-aware training system for trail and ultra runners. We share why we built it, what it does today, where it falls short, and how we’re improving it with real race data. • why serious runners wanted expert validation without elite pricing • the three pillars of coaching we modeled: prescribe, analyze, communicate • onboarding that pulls real history, constraints, and race demands • dynamic plan changes for travel, missed...