Welcome to your all-in-one tool for editing and enhancing fitness activities, GPS workouts, and training sessions. Whether you're a casual jogger or a serious athlete, this site gives you the flexibility to adjust and fix your recorded activities for more accurate and meaningful data.
GpxFix can also be used to share routes/tracks to websites such as Alltrails, Komoot, Gaia, Trailforks and Avenza.
Modify workout timestamps with ease. If your run or ride started earlier or later than recorded, you can change the start date and time to reflect the actual beginning of your session. Useful if you cropped the workout, or time is incorrect due to travelling and time-zone issues. Can also be used for privacy purposes.
Simulate movement when no GPS movement was recorded by adding slight movement. This lets you more accurately track actual time used if you want to prioritize showing time used rather than speed or pace. This is also useful if you go indoors during the training session and you want to track time while the GPS is not able to track movement.
Did you unintentionally stop the watch stop during a long session? Or maybe you changed your mind and wanted to keep going after stopping the watch? Or did your multisport GPS smartwatch just crash during a session? Use the combine function to stitch together two or more activities into one continuous workout. Perfect for fixing accidental breaks or creating seamless training logs.
If parts of your session is in an incorrect heart rate range/zone, which is a typical problem with wrist-based sensors, our heart rate correction tool helps smooth out errors and make HR graphs more meaningful for analysis.
Shorten total activity time while preserving the original distance. The speed-up tool lets you correct for delays or slowdowns that affected your performance stats.
Change the actual GPS track coordinates. Did you miss a Strava segment by just a few meters? We got you covered! This can also be used in case of inaccurate GPS measurements. For example when starting a run and you did not get a GPS lock during the first minute of running.
Please note that this features has limitations to prevent cheating.
Use this feature to manually correct elevation measurements when they appear slightly inaccurate. Elevation readings can occasionally drift due to factors such as:
Adjusting the elevation helps improve the accuracy of your data, especially for activities like hiking, trail running, or cycling where elevation gain matters.
This website is made for runners, cyclists, hikers, and other outdoor fitness enthusiasts who use GPS tracking and want full control over their activity data. If you've ever thought, "this run doesn’t reflect my real effort," this tool is for you.
We don’t track, store, sell, share or transfer your data. Your workout details remain private and secure. If you use GpxFix and upload GPX files (that typically contain GEO location, timestamp and heart rate data) this data is simply processed on our servers and made available for you to download. We do not keep this data. You may also have noticed that there is no login on this site so we have not way to identify you or connect the uploaded training data to you as an individual.
By correcting and refining your activity files, you ensure your training logs are consistent and trustworthy—whether you're exporting them to Strava, Garmin, or any other fitness platform.
While GpxFix is built to help you correct genuine errors and improve the accuracy of your activity data, we are fully aware that some features could be used with dishonest intent — for example, to falsify performance metrics, fake segment efforts, or cheat in virtual competitions.
We want to be clear: this site was NOT developed to aid in cheating. The goal is to empower people to make their data more reflective of reality, not less. Here’s how we actively work to reduce misuse:
GpxFix exists to help users fix broken, inaccurate, or incomplete data—not to fake performance. We trust you value fair play, and will not misuse our tools.
GpxFix is developed by Roy, a hiker and trail/mountain runner, who combines a passion for landscape photography with outdoor adventure. And, of-course you can find me on Strava.
Please note that this site is maintained by me as an individual, and processing your GPX files is not free. Consider sponsoring me with a few pennies if you find this site useful, so I can keep this site up and running.
Please feel free to contact me at e-mail with any suggestions for improvement or if you encounter any issues with the tools.