V-Core: Running Intelligence

V-Core – The Intelligence Behind Every Step

Built by a runner for runners. No subscriptions. No ads. One payment, forever.

🧮 CALCULATOR & ANALYSIS

Real-time Pace / Time / Distance / Speed calculation. Import .fit and .tcx files from Strava with auto-fill: HR, Max HR, Cadence, Calories, Elevation Gain. Full Huawei & Garmin support.

⚡ INTERVAL DATA PICKER

Log interval & tempo workouts per rep. Input by Pace or Time — automatic conversion. Scientific VDOT from best rep (≥800m) or average pace (<800m). Training Effect from clean interval heart rate only — not warm-up or cool-down.

📸 PHOTO SHARE

Create branded workout cards for Instagram & Stories. 3 formats (4:5 / 1:1 / 9:16), 3 gradient templates (Purple / Energy / Night). Add photo from gallery, privacy toggles for each stat. Included in backup.

📈 VDOT & PREDICTIONS

Predictions for 5K / 10K / Half / Marathon / 50K / 80K / 100K using Riegel algorithm. VDOT Ranking (Cooper Institute), Age Grade Analysis (USATF MLDR 2025), comparison with World Records. Smart 90-day logic — immune to warm-ups and cool-downs.

💪 TRAINING ZONES & HR

6 zones with Talk Test and precise paces based on VDOT. Heart Rate Zones (Karvonen) — Zone Badge 🔵🟢🟡🟠🔴 on every workout automatically.

⚡ RACE FUELING

Automatic Gel / Water / Electrolyte plan based on distance and pace — for every runner from 5K to Ultra:

Road (≤42km): checkpoints every 20-25'

Ultra (>42km): 3 scientific phases (Gels → Real Food → Protein)

⛰️ GAP & SPLITS

Grade Adjusted Pace (Predict & Analyze mode). Splits Strategy: Neutral / Negative / Positive, intervals 200m / 1km / 5km.

⏱️ STOPWATCH

Accurate stopwatch with Lap recording. Continues even during phone calls.

☀️ WEATHER & CONDITIONS

Impact of temperature, humidity, altitude and wind on race time. Dynamic tips for every athlete level.

⚖️ HEALTH & METABOLISM

BMI, Ideal Weight, BMR — VDOT Impact and Marathon Time Gain based on weight.

📊 V-CORE ANALYTICS

Weekly Mileage (ACWR), VDOT Progress, Pace Trend, Pace vs HR, Time in Zones, Heatmap, TSB Recovery Score, Coach Insights, Weather Impact, Shoe Lab, Goal Race Planner, Pro Coach Report PDF.

📋 ERGOMETRY HISTORY

Log ergometry tests with comparative progress analysis (VO2max, Fat%, Thresholds). Export to PDF for your coach.

🏅 MEDALS — 50+ Digital Badges

Milestones | Personal Records (5K/10K/Half/Marathon/50K/80K/100K) | Ultra Races (Melpomene/Euxideios/Athanaton/Yperatlos/Spartathlon/Feidippideios 485km) | Ultra Milestones | Streaks | Discipline

👟 SHOES & HISTORY

Full shoe management (Brand/Model/Nickname/Color). HR Zone badge, Elevation 🏔️, Session Grouping, filters and search.

🎯 GOALS & STRENGTH

4 goal types, 3 periods, weekly streak 🔥. Strength training with 5 Focus Areas, RPE and calorie tracking. Confetti celebrations for every achievement.

🔧 TECHNICAL

Offline-First • 100% Privacy • Greek & English • Dark/Light Mode • Backup/Restore with photos

"V-Core: The only app that speaks your coach's language."

Tested by Coaches, Run by Athletes. 🏅