TCX files used for tracking sports activities might be generated by many fitness devices, like sport watches. Sometimes you might want to adjust certain parameters of that files before sharing to to community, here is where tcx_editor might help.
Tool allow you to automatically remove long pauses - by detecting time gaps, and extract paused time frames out of activity, by correcting timestamps times in the TCX file. Pauses are sometimes annoying when they became part of your activity, by affecting average speed and / total time metrics. stroke rate, etc.