SEGMENT ATLAS

Choose a mapped route and upload a FIT or GPX file to watch your ride unfold across interactive 3D terrain, compare efforts, and see how pacing, grade, elevation, and wind shaped the result.

EXPLOREterrain

REPLAYthe ride

COMPAREefforts

UNDERSTANDcontext

Upload a ride → Explore a demo route Build from a ride

The road, replayed.
Every effort in context.

Real terrain turns a recorded effort back into a route you can read. Replay the ride, align past efforts, and inspect how the road and conditions shaped the result.

Scroll to explore

Mapped routes

Choose a route.

Each route is a working terrain model with road geometry, elevation, wind context, benchmarks, and every compatible effort you add.

Route 01 · Marin Headlands, CA

Your routes, on every device.

Optionally sign in with Google to sync route outlines, sections, and ride summaries. Raw ride files, GPS and sensor streams, terrain, and settings stay in this browser. How sync protects your data.

SEGMENT ATLAS

The road, replayed.Every effort in context.

Choose a route.

Hawk Hill

Mt. Diablo

Mt. Tamalpais

Your routes, on every device.

The road, replayed.
Every effort in context.