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Every climb has a soundtrack.
We built the app that finds it.

Terrain-aware music for athletes who know that the right song at the right moment changes everything.

By the numbers.

205
Music Pins
118
AI-Generated Pins
290
Activities Analyzed
81
Soundtracks Created
22
Athletes

Music and movement have always belonged together.

Every athlete knows the feeling — a song kicks in at exactly the right moment, on exactly the right stretch of road, and suddenly the climb feels shorter. That feeling isn't an accident. It's a signal worth capturing.

RouteFuel™ lets you attach a music track to any GPS terrain segment — a climb, a flat sprint, a descent — and pin it there permanently. We call them Music Pins™. Once placed, they're yours. Every time you come back to that segment coordinate, your soundtrack is waiting. Other athletes can discover your pins too, turning your favorite stretches of road into shared musical landmarks.

The AI layer goes deeper: feed it your latest activity and it analyzes the terrain — gradients, elevation changes, distance — then recommends tracks that match the physical character of each terrain section. Not just vibe-matching. Terrain-matched. There's a difference.

RouteFuel works seamlessly with Strava for activity and route data and Spotify for music — but the experience and the pins are yours, living in RouteFuel permanently, independent of any single platform.

RouteFuel Milestones
Q4 2025
  • Core app — Flask, PostgreSQL, OAuth (Strava + Spotify)
  • Music Pins™ MVP — GPS segment bindings, Public/Private scope
  • AI Music Recommender — GPT-4o terrain-matched tracks
  • Activity Simulation — synchronized Spotify playback
Q1 2026
  • Community Leaderboard + public Pin Map
  • Featured Rides + Explainable AI (XAI) insights
  • Guided Onboarding + Quick Pin Wizards
  • Companion App API — iOS backend, real-time pin detection
  • Advanced Soundtrack Editor — Magic Fill with AI gap-filling
  • USPTO Provisional Patent Filed — Application #63/967,239
Tech Stack
Python / Flask PostgreSQL GPT-4o Replit Agent Spotify Web API Spotify Web Playback SDK Strava API v3 Leaflet.js OpenStreetMap Bootstrap 5 SQLAlchemy Gunicorn SendGrid
Intellectual Property
Patent Pending — USPTO Provisional Application #63/967,239. Music Pins™ and terrain-matched soundtrack technology.

Stats reflect live data from the RouteFuel database and update in real time. Development timeline dates are approximate.

Three ideas. One soundtrack.

Music Pins™

Attach any Spotify track to any GPS terrain location. It stays there — for every future ride or run through that same stretch. Public pins become community landmarks. Private pins are yours alone.

AI Soundtrack

Our AI reads your route's terrain — gradients, elevation, segment distance — and recommends tracks tuned to the physical character of each section. Hills get different music than descents. That's the point.

Community

Discover what other athletes play on the segments you share. A public leaderboard surfaces top pin authors and trending tracks. A Pin Map shows music hotspots near you. Your pins become part of the collective soundtrack.

Ready to find your soundtrack?

Pin your first track. Let the AI fill the rest. Your route, your music.

Spotify Works with Spotify Compatible with Strava