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Run Log

drop a FIT or GPX file and read what happened on your run

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A free, open-source run explorer. Drop in a file from your watch and read what actually happened — what changed, where, and why. Nothing is uploaded; it all runs in your browser.

Run Log — understand your run Run Log — your run, explained Drop in a file from your running watch and read what actually happened during the run: what changed, where it changed, and what might account for it. Run Log reads FIT and GPX files, shows moments rather than averages, and shows its working for every claim it makes. Nothing is uploaded. There is no account and no server — your file is parsed by your own browser and stays on your own machine. Run Log is free and open source. Run Log needs JavaScript to read and draw a run, so please enable it to use the app.

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