V-Core: Running Intelligence

V-Core Labs

About this app

V-Core – The Intelligence Behind Every Stride

Built by a runner, for runners. Forget subscriptions and ads. One-time payment, forever.

🧮 SYNC & ANALYSIS
Instant, automatic run sync via Health Connect (Garmin, Huawei, etc.) or .fit/.tcx file import. Auto-fill: HR, Cadence, Calories, Elevation. Real-time Pace / Time / Distance calculation.

💪 SEILER ZONES & COACH'S VERDICT
An end to "Junk Miles." Scientific 3-Zone Seiler model (Easy 🟢, Grey 🟡, Hard 🔴). On easy runs, the digital coach analyzes your data and gives you an immediate Coach's Verdict on whether you respected the 80/20 rule.

📈 AEROBIC EFFICIENCY & VDOT
New Aerobic Efficiency (EF) index on easy runs to see your engine improving in practice. Scientific VDOT Ranking (Cooper Institute), Age Grade Analysis (USATF 2025) and smart 90-day logic immune to warm-ups. Race predictors from 5K to 100K (Riegel).

⛰️ ELEVATION & PACING
Special Elevation Context: The app recognizes demanding inclines (over 150m) and explains why your pace naturally dropped. Grade Adjusted Pace (GAP) and Splits Strategy per 200m / 1km / 5km.

⚡ INTERVAL DATA PICKER
Log interval workouts per rep. Scientific VDOT from your best rep (≥800m) or average pace (<800m). Training Effect based on pure interval heart rates — excluding recovery.

📄 TRAINING PLANS & PDF EXPORTS
Comprehensive training plans and reports. Export to PDF with a single click (Plans, Lab Tests, Pro Coach Reports for 7/28/84 days) to print or send to your coach.

📸 PHOTO SHARE
Branded workout cards for Instagram (4:5 / 1:1 / 9:16). Add your photo, choose from 3 gradient templates, and share new data (EF, Elevation, Zones) straight to your story.

⚡ RACE FUELING
Automatic Gel / Water / Electrolyte plan based on distance and pace:
Road (≤42km): checkpoints every 20-25'
Ultra (>42km): 3 scientific phases (Gels → Real Food → Protein)

📊 V-CORE ANALYTICS
Weekly Mileage (ACWR), VDOT Progress, Pace Trend, Pace vs HR, Time in Zones, TSB Recovery Score, Weekly Vertical, Weather Impact, Shoe Lab.

🏅 MEDALS & SHOES
50+ Digital Badges for PRs, Ultras (Spartathlon, etc.) and Streaks. Full shoe management with Session Grouping and filters.

🎯 GOALS & STRENGTH
Strength training with 5 Focus Areas for injury prevention. 4 goal types with weekly streaks.

🔧 TECHNICAL DETAILS
Offline-First • 100% Privacy • English & Greek • Dark/Light Mode • Backup/Restore

"V-Core: The only app that speaks your coach's language."
Tested by Coaches, Run by Athletes. 🏅