Master Your Race Route: The Ultimate Free GPX to ERG/MRC Converter

Stop training in the dark. Instead, use the Ultimate Free GPX to ERG/MRC Converter to start training on the actual roads of your next big goal.

You might prepare for a grueling mountain granfondo or a technical time trial. Or perhaps you train on your favorite local loop. However, the gap between "indoor power" and "outdoor performance" can still be huge. Therefore, our GPX to ERG/MRC Converter bridges that gap. As a result, you bring the real world's precision into your pain cave.

Why Convert Your GPX Files?

Standard indoor workouts build fitness well. But they don't prepare you for a specific course's rhythm. So, our tool analyzes your GPX files distance, time, and power. Then, it transforms them into high-fidelity workout files (.erg or .mrc). Additionally, you can customize the transformation for different needs.

How It Works

First, upload Your Route: Drag and drop your .gpx file into the form below.

Next, customize your Workout: Input your FTP. If you want, change some parameters.

Finally, submit the data. Check your email account. We will send the created file as an attachment in a few seconds!

Tips for Maximizing Your Free GPX to ERG/MRC Conversion

At the moment, this tool needs that your GPX file includes power and time for every point. These two values are used to create the corresponding .Erg or Mrc workout. Try to change some parameters, and see the workouts differences. Also, experiment with multiple rides of the same route, to create the best workout.

Ready to start?

Upload your GPX file below and transform your training today.

Drag and drop files here or Browse Max file size: 15MB
Upload here your Gpx file, that must have power and time values for the points.
File Converted Type *
Needed to evaluate the power % required for Steps
The converted Erg/Mrc file will be sent to this Email

Advanced Parameters

Every Step generated will have this minimum length. Used to avoid Steps too shorts to have a meaning on indoor training.
Used to aggregate adjacent power values ​​that are similar to each other (difference between power values < of this parameter).
Compact Steps by Zones *
Limit the maximum length of every step using his Power Zone. Useful to avoid too long "easy" steps on trainer (like those generated from a long descent or flat part)