12 Minute VO2 Max vs Splits

12-Minute VO2 Max is a simple yet powerful tool that helps you monitor and improve your cardiovascular fitness using the scientifically validated 12 minute Test. How It Works: Run as far as you can in 12 minutes (track using your favourite running app) Enter the distance covered Get VO2 max calculation and trends Developed by Dr. Kenneth Cooper in 1968 for the US military, the 12-minute run test provides a reliable estimate of your VO2 max—a gold standard measure of aerobic fitness—without expensive lab equipment or complicated protocols. Key Features: • Clean, intuitive interface for quick distance entry • Personalized VO2 max interpretation based on your age and gender • Beautiful visualizations to track your fitness progress over time • Detailed history of all your runs • Adjustable time ranges to view your progress (3 months, 6 months, 1 year) • Works completely offline - no account or subscription needed Why VO2 Max Matters: VO2 max is the maximum rate at which your body can use oxygen during exercise—a key indicator of cardiovascular health and endurance. Higher VO2 max scores are associated with reduced risk of cardiovascular disease, better athletic performance, and overall longevity. Regular testing helps you: • Track the effectiveness of your training program • Set realistic fitness goals • Monitor your cardiovascular health over time • Compare your fitness to age and gender-appropriate standards Perfect For: • Runners wanting to track their fitness progress • Athletes training for endurance events • Fitness enthusiasts of all levels • Anyone looking to improve their cardiovascular health • Coaches and personal trainers monitoring client progress Download today and start tracking your cardiovascular fitness the simple way!

Every run is read automatically - easy, tempo, intervals, long, race - and cross-referenced with your heart rate, VO₂max, sleep and the weather, so you see what your training is doing to your body, not just what you did. No account. No server. All analysis runs on your iPhone from your Apple Health and Apple Watch data. WHAT SPLITS READS FROM YOUR RUNS • Automatic run classification - every run typed from its heart-rate shape and pacing, honestly, with a confidence level you can audit • Proof of fitness - the same pace costing your heart fewer beats per minute than it did months ago, measured, not vibes • Heart rate zones built from your own recorded maximums, not a formula guess • Your response curve - which training actually moves your VO₂max, resting heart rate and HRV in the weeks that follow, tested across response windows from 2 to 12 weeks • Heat sensitivity - your personal pace cost per degree, from watch-recorded conditions • Smooth pace, effort and elevation charts with detail you can pan through on long runs • Your journey - milestones, achievements and personal records across your entire history SHARE THE RUNS WORTH SHARING Turn photos taken mid-run into share cards with your route and stats overlaid - story-ready in two taps. PRIVATE BY DESIGN Your runs never leave your phone. Splits has no account system, no cloud, no ads and no tracking. It reads Apple Health with your permission and does every calculation on-device. FREE AND PRO Your latest run is always free, fully analysed. Splits Pro unlocks your full history, journey, achievements and the deep analysis - with a 7-day free trial on the monthly plan. Cancel anytime in Settings. Splits works with running workouts recorded by Apple Watch or any app that saves runs to Apple Health. The more history you have, the more it can tell you - your first import reads years of runs in minutes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Splits requires Apple Health and works best with Apple Watch or a compatible run tracker. Splits provides data-driven insights, not medical advice. Consult a healthcare professional for medical concerns.