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 — calculate your race-day nutrition plan with exact gel timing, carb targets, and sodium needs. Build a personalized fueling strategy in minutes.
- Aerobic Decoupling Calculator — measure aerobic efficiency on long runs using the Pa:HR ratio. Identify cardiac drift and set better easy-run targets.
Training Analysis
- Training Split Analyzer — analyze your intensity distribution. See whether you're training polarized, pyramidal, or threshold-heavy and how it compares to elite runners.
- Running Cadence Analyzer — detect form fade with cadence and stride analysis. Get your Form Stability Score and identify late-run breakdown patterns.
- 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 and compare 280+ running shoes with detailed specs, AI-generated insights, and user reviews. Includes 60+ confirmed 2026 releases.
- 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
All tools work without an account, but connecting Strava unlocks your personal data for more accurate analysis.
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