RUNFORM analyzes your running form from a smartphone video using Google MediaPipe AI — no installation, works in any browser. 7 metrics scored instantly: • Trunk Lean • Knee Drive • Arm Swing • Landing Position • Knee Flexion • Vertical Oscillation • Cadence Each rated GOOD / OK / NG with coaching advice. Goal-based feedback adapts for sprint, middle, or long distance. ✅ Free, no sign-up required 📱 iOS / Android / Desktop 🌐 Japanese & English 💾 Save & track progress