RunSolver vs Run Your Stride

RunSolver is the runner's toolkit — built for calculating, not tracking. Whether you're planning a race, dialing in your splits, or predicting a finish time, RunSolver gives you fast, focused tools that work together. Enter your distance and time once, and every screen updates — pace, splits, predictions, and workouts all stay in sync. PACE CALCULATOR Pick a distance or enter your own, set a finish time, and instantly see your pace, speed, and converted units. Clean, simple, no clutter. SPLIT GENERATOR Generate per-km or per-mile splits with even, negative, or positive split strategies. Visualize your pace curve and share a race card image with friends. RACE PREDICTOR Use the Riegel formula to predict finish times across distances — from the mile to 50K. Adjust for fitness level and see your age grade percentage. WORKOUT BUILDER Choose from smart templates (intervals, tempo, long run, speed work) with paces derived from your target race time. Or build a fully custom workout and save it for later. TOOLS - Pace conversion (min/km to min/mi and back) - Training pace zones from your threshold - Treadmill speed to outdoor pace - Boston Qualifier calculator - Race comparison (planned vs actual) - Personal records tracker DESIGNED FOR RUNNERS - Dark theme, clean interface - Wheel pickers for fast time entry - km/mi toggle everywhere - Shareable race plan cards - All calculations happen instantly — no loading, no accounts, no tracking RunSolver is 100% free with no ads. Run the numbers.

Run Your Stride is the running pace calculator built for every runner. Whether you're chasing a PR, building a training plan, or just curious about your splits — Stride gives you the numbers you need, instantly. PACE CALCULATOR Enter any two of time, pace, or distance and Stride calculates the third. Planning a marathon? Find your goal pace. Finished a tempo run? See your exact time. Every result saves automatically so you can track your progress over time. RACE PREDICTOR Enter a recent race result and Stride uses the Riegel formula to predict your finish time across every standard distance — 5K, 10K, Half-Marathon, and Marathon. See your equivalent paces so you know exactly what effort to target on race day. PACE CHART A clean, scrollable reference chart showing finish times across all major race distances for every pace — per mile or per kilometer. No calculating required. TRAINING PACES Set your goal race and target time. Stride generates five calibrated training zones — from recovery runs to speed work — so every workout has a purpose. HISTORY Every calculation is saved automatically. Tap any entry to view full mile or kilometer splits, or share them with your coach or training partners. Clean design. No ads. No account required. Just the numbers that move you forward.