Ready to Run
Kathy Butler Running app offers training tools for serious distance runners. Enter a recent race result to get personalized training zones like easy, tempo, threshold, and VO2max based on your fitness. Predict your next race pace according to your current fitness for different distances. Log runs to track weekly mileage, pace trends, and 30-day history with clear charts, helping you see fitness progress and recovery weeks. It provides an Olympic-level methodology for free currently, whether you're aiming for a Boston qualifier or your first 5K finish.