GridRun: Sector Conquest

GridRun: Sector Conquest & Pacing Vault is your offline-first city exploration running workspace, sector conquest map, split-pace calculator, and running shoe mileage vault. Designed for urban runners, marathon trainees, streak runners, and fitness explorers, GridRun turns everyday neighborhood jogs into an engaging grid-conquest experience and precise athletic routine. Divide your city map into interactive grid sectors, clear the fog of war by running through new streets, calculate target split paces and stride cadence, track outsole wear on your running shoes, and archive your complete running journey in a private digital vault. Key Features and Urban Running Tools Sector Conquest & City Map Engine - Interactive Grid Overlay: Map your city into clean grid sectors ($100m \times 100m$) and unlock new zones as you run through them. - Fog of War Explorer: Clear dark map overlays and track your overall city exploration percentage over time. - Sector Streak & Area Metrics: Record total unique sectors unlocked per workout session alongside total territory coverage. Pacing & Cadence Analytics Engine - Target Split Pace Calculator: Compute exact split target times per kilometer or mile for 5K, 10K, half-marathon, and marathon goals. - Cadence & Stride Length Monitor: Calculate optimal steps per minute (SPM) and stride efficiency to prevent injury. - Heart Rate Zone Scaler: Compute personalized heart rate zones (Zone 1 to Zone 5) using the Karvonen formula. Running Shoe Mileage & Equipment Vault - Outsole Wear & Mileage Tracker: Catalog your running shoe rotation (daily trainers, carbon racers, trail shoes) and monitor total distance logged per pair. - Shoe Retirement Alerts: Set custom mileage limits (500km–800km) to track cushioning breakdown and replace shoes before injury. - Terrain & Surface Log: Track session splits across asphalt, track, gravel, and trail conditions. Studio Analytics & Complete Offline Access - Visual Territory Progression: View interactive progress charts showing neighborhood conquest growth, weekly mileage, and average cadence. - 100% Offline GPS Studio: Track run routes, unlock map sectors, and calculate pacing metrics anywhere without needing cellular data. Designed for: - Urban runners and joggers looking to gamify neighborhood routes and explore new streets. - Marathon and half-marathon runners targeting precise split-pacing, cadence, and HR zones. - Shoe collectors and athletes tracking mileage wear across carbon plated and daily trainers.