V-Core: Running Intelligence

V-Core Labs

About this app

V-Core – The Intelligence Behind Every Step

Built by a runner, for runners. V-Core is more than just an app; it is your personal core for training analysis. Forget about endless subscriptions and intrusive ads. With a single, one-time payment, it’s yours to keep forever.

40+ SMART TOOLS FOR EVERY RUNNER IN ONE APP
V-Core brings together everything a runner needs, from daily casual training to marathon preparation:

• V-Core Calculator: Pace, time, distance, and speed—interconnected for instant, accurate calculations.
• Precision Stopwatch: Record interval training or races with millisecond accuracy. Features lap functionality, giving you total control over your rhythm in real-time.
• V-Core Ranking & Age Grade (2025): Assess your level using the VDOT index and the latest Age Grade analysis (USATF MLDR 2025). See where you stand against global standards, adjusted precisely for age and gender.
• Training Zones: Easy, Marathon, Threshold, Interval, Repetition—calculate your training paces with scientific precision for every workout type.
• Grade Adjusted Pace (GAP): Calculate your effort on hills and descents with an equivalent flat-ground pace.
• Race Predictor & Record Comparison: Predict finish times based on recognized scientific models (VDOT, Riegel). Compare your performance against World Records and see your running capacity relative to elite standards.

• Nutrition Strategy: Build fueling plans (gels/electrolytes) so you never run out of energy on the road.
• Smart Splits: Strategies for Negative, Positive, or Neutral splits for perfect race execution.
• Shoe Management: Log your shoe mileage and set custom alerts for replacements to protect your joints.
• Health & Metabolism: Track BMI, Ideal Weight, and Basal Metabolic Rate (BMR)—the foundation of athletic longevity.

FULL CONTROL & ADVANCED ANALYTICS
• Ergometric & Smart Training Log: Your digital logbook that builds your history. With retrospective editing (change dates, terrain, heart rate), you turn every run into valuable analytical data.
• Advanced Performance Charts: Visualize your evolution through dynamic charts:
* VDOT Progress: Monitor your physiological improvements.
* Weekly Volume: Manage training load to prevent overtraining.
* Heart Rate Trends: Analyze your cardiovascular response.
* Interactive Filters: Customize stats by 30, 90, 180 days, or all-time.
• Advanced Search Filters: Instantly find any workout by year, type, or keywords in your notes.
• Goals: Set weekly, monthly, or yearly targets for distance, calories, and time. Track progress in real-time.
• V-Core Share Report: Generate professional training reports for your coach.
• Weather Conditions: See how wind, heat, and altitude affected your performance.
• Backup & Restore: Take full control of your data. Export a backup and import it to any new device securely.

OFFLINE-FIRST (NO INTERNET REQUIRED)
V-Core was designed for the trail and the track. All data is stored locally on your device. It works anywhere, anytime, with no need for an internet connection.

100% PRIVACY
Your data belongs to you. No account creation required, no trackers, no personal data collection, and nothing stored on external servers. It’s just you and your progress.

ONE PAYMENT. FOREVER.
Forget about recurring monthly subscriptions. With a single one-time purchase, you unlock all features and all future updates with no hidden costs.

FULLY BILINGUAL
Fully supports Greek and English with seamless language switching within the app.

Whether you are a beginner taking your first steps or an advanced athlete chasing a new personal best, V-Core is the partner you deserve.

Download V-Core today and become the best version of yourself!

What’s new

✅ VDOT: Excludes Ultra (>42km), keeps best score of last 90 days
✅ Shoes: Full edit support (Brand/Model/Nickname/Color/Limit)
✅ Shoes: Color dot + Nickname shown in dropdown
✅ Fueling: Dark mode text color fix