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GPX File Analyzer — Distance, Elevation & Splits
Drop in a GPX from Strava, Garmin, or Komoot — read it in your browser.
Drop a .gpx file here
or from your device
parsed in your browser · never uploaded
Have your runs on Strava?
Open any activity on Strava, then use the ··· menu → Export GPX and drop the file here. Nothing is sent anywhere — the analysis happens entirely on your device.
Plan it as a race
Grade-adjusted projection — give a flat-effort target pace and it estimates your finish and fuel over this course’s terrain.
Best efforts
Climbs
Heart-rate zones
Splits
What this reads from your file
A GPX file is the open format GPS watches and apps record — a list of points, each with a latitude, longitude, and usually an elevation, a timestamp, and sometimes heart rate. This tool reads those points right in your browser and works out the distance you covered, your moving time and pace, how much you climbed, and a split for every kilometre or mile.
Your data never leaves the device
The file is opened locally with your browser’s built-in reader; nothing is uploaded, stored, or sent to a server. Close the tab and it is gone. That is the whole point of on-device tools — you can analyse a private route without handing it to anyone.
Getting a GPX from Strava, Garmin, or Komoot
Most platforms export one in a couple of clicks: on Strava use the activity’s ··· menu → Export GPX; on Garmin Connect use the gear icon → Export to GPX; Komoot offers a GPX download on each tour. Route files without timestamps still work — you will get distance and elevation, just not pace.
Questions
Is my GPX file uploaded anywhere?
No. The file is opened locally by your browser and analysed on your device — nothing is sent to a server, stored, or logged. Close the tab and it is gone.
Where do I get a GPX file?
Most platforms export one in a couple of clicks: on Strava use the activity ··· menu → Export GPX; on Garmin Connect use the gear icon → Export to GPX; Komoot offers a GPX download per tour.
What does it calculate?
Distance, moving time and average pace, elevation gain and loss, an elevation profile, average heart rate when present, and a split for every kilometre or mile. Route files without timestamps still show distance and elevation.