Track Merger vs Gritline

Merge your GPX, FIT and KML files effortlessly with Track Merger. Whether you're combining data from your Wahoo, Garmin, Apple Watch, or any other device, Track Merger streamlines your workflow with its intuitive features and seamless functionality. FEATURES • Combine GPX, FIT and KML files incl. GPS, heart rate, and altitude data • Segment insights with elevation and heart rate charts. • Save your merged track as GPX file • Use the Share Sheet for even more convenience • Sort tracks by different criteria • Add meta data for easy reference • 100 % ad-free experience, no in-app purchases PRIVACY FIRST Your data stays yours — we don’t collect any personal information. COMPATIBILITY Track Merger works with files from a wide range of devices. If you run into issues or have feature requests, our team is ready to help.

Gritline is where gravel riders in Catalonia find events and sort out everything around them. See every race, ultra, and day event across Catalonia, RSVP in a tap, and check who else is going. Then handle the logistics together in each event's coordination space: transport, accommodation, and meet-ups, all in one place. • Events across Catalonia, updated weekly • See who is going and message other riders • Sort transport, lodging, and meet-ups per event • Curated gravel routes on a fast, clear map • Browse freely, sign in only to join Now supporting trail and running events too, with more disciplines and regions on the way.