RunSolver vs RunPace

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.

RunPace is a clean, fast pace calculator for runners who like clear numbers without the clutter. Whether you're chasing a 5K PR or pacing your first marathon, RunPace gives you the splits, predictions, and training paces you need — in seconds. CALCULATOR (free) • Switch instantly between pace (min/km) and speed (km/h) • See finish times for every common distance, or full split tables RACE PLAN (free) • Set a target finish time and distance, get the exact pace you need • Even-paced split tables so you know your checkpoints RACE TIMES (RunPace Pro) • Enter one race result and predict your times across distances • Based on Riegel's proven formula • Or seed a starting point from your Apple Health VO₂max TRAINING PACES (RunPace Pro) • VDOT-based training paces — Easy, Marathon, Threshold, Interval, Repetition • Import your VO₂max (Cardio Fitness) from Apple Health to set zones automatically • Watch your VO₂max move: a 12-month trend line with the change over the period MADE FOR RUNNERS • Kilometres or miles — switch once and the whole app follows: min/mi and mph wheels, mile splits, and a US race ladder (1 mile, 5K, 10K, 10 miles, half, marathon) • Light, dark, or system appearance • English and Norwegian • No ads, no account, no tracking — your runs and numbers stay on your device RUNPACE PRO Calculator, Race Plan and Settings are free to use, with no ads and no time limit. RunPace Pro unlocks Race Times and Training Paces — one purchase, no subscription, on every device you use with the same Apple Account. Built by a runner, for runners. Lace up and find your pace.