StabilityAI vs Pace Calculator

Move better. Feel better. Stay consistent. Stability helps you improve mobility, reduce discomfort, and build healthier movement habits through personalized routines, progress tracking, and guided exercises. * Personalized routines, progression features, and advanced tracking require an active subscription. A subscription includes a free trial where offered. Personalized Mobility Plans No generic routines. Whether you're working on back pain, tight hips, knee discomfort, posture, or overall mobility, Stability creates plans tailored to your goals, limitations, and progress. Guided Daily Training Know exactly what to do each day. Follow step-by-step mobility and strengthening routines designed to help you move better, stay consistent, and build lasting results. Track Your Progress Track workouts, mobility improvements, consistency, and recovery over time with simple visual dashboards and progress tracking tools. Level Up Your Mobility Stay motivated with progression systems designed to reward consistency. Earn XP, advance through ranks, and see your improvement reflected as you continue training. Insights That Adapt Your routine evolves with you. Stability uses your activity, progress, and goals to help recommend the right exercises and adjustments along your mobility journey. Built for Everyday Movement Whether you're dealing with stiffness, recovering from setbacks, improving posture, or simply wanting to move better, Stability helps you build a sustainable mobility practice that fits your life. Terms of Use: https://www.stabilityapp.org/terms · Privacy Policy: https://www.stabilityapp.org/privacy

Enter one race result, or just enter your VDOT. Get your fitness score and five science-backed training zones instantly — free. Pacesmith uses Jack Daniels' Running Formula to calculate your VDOT score from any recent race. You'll see exact pace ranges for Easy, Marathon, Threshold, Interval, and Repetition training — the same zones elite coaches prescribe. VDOT & TRAINING ZONES (FREE) - Enter any race distance and finish time - Or enter your VDOT directly if you already know it, and watch the paces update as you adjust it - Get your VDOT fitness score based on Daniels' Running Formula - See five training zones with precise pace ranges, in kilometres or miles - Track how your fitness changes over time UNLOCK ALL TOOLS — ONE-TIME PURCHASE Three additional calculators, yours forever. No subscription. No account. RACE PREDICTOR Predict your finish time at every standard distance — from 1500m to the marathon — based on your current VDOT. Enter one result, see them all. PACE CALCULATOR A three-way solver: enter any two of pace, time, and distance to calculate the third. Get per-kilometre or per-mile splits for any run. SPLIT PLANNER Build a race-day pacing plan with even or negative split strategies. See your target time for every single kilometre or mile. BUILT FOR RUNNERS WHO CARE ABOUT THE DETAILS - Jack Daniels' VDOT formula — not guesswork - Last 50 calculations saved automatically - Clean, fast interface — no ads, no clutter - Works offline - Available in 15 languages - One-time purchase unlocks everything, forever