Performance Calculators
- Race Time Predictor: predict your 5K, 10K, half marathon, and marathon finish times from a recent effort using the Riegel formula. Import your Strava data for personalized predictions.
- Marathon Fueling Planner: turn a practiced carbohydrate target and product serving size into a simple race schedule. Sodium and fluid remain individualized.
- Aerobic Decoupling Calculator: compare pace-to-heart-rate efficiency across two halves of a suitable steady run.
- Training Pace Calculator: turn a recent race into broad workout pace ranges with a usefulness rating.
- Race Split Calculator: create exact mile or kilometer checkpoints for three modest pacing strategies.
Training Analysis
- Training Split Analyzer: analyze whether your recent intensity distribution is polarized, pyramidal, or threshold-heavy.
- Running Cadence Analyzer: review cadence stability and late-run change while keeping pace, terrain and device quality in context.
- Running Heatmap: visualize your most-run routes on an interactive map. Discover training patterns and favourite paths from all your Strava activities.
Running Shoe Hub
- Running Shoe Database: browse detailed specs, source and verification dates, and clearly labeled editorial insights.
- Running Shoe Finder: answer a few questions about your running style and get AI-matched shoe recommendations from our full database.
- Shoe Rotation Planner: build a smart multi-shoe rotation optimized for your training volume, race goals, and surface preferences.
- Shoe Comparison Tool: compare any two running shoes side-by-side with specs, pros/cons, and an AI verdict.
Connect Strava for personalized insights
Manual calculators work without an account. Tools that analyze your training history require sign-in and a Strava connection.
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