How to Merge & Join Multiple GPX Files
Watch the video tutorial below to see how you can combine multi-stage rides, fill in missing trail gaps between recordings, and export a seamless Strava activity.
Upload Multiple GPX Files
Select or drag & drop 2 or more GPX files from your split ride, multi-day bikepacking tour, or hike.
Auto-Join Gap or Click Points
Choose Auto-Join Gap to smoothly bridge the ends with realistic pacing, or click map waypoints to guide the trail.
Download & Upload to Strava
Export a single unified, continuous Strava-ready GPX track with preserved elevations, HR telemetry, and zero glitches.
Monotonic Speed Pacing
Auto-calculates realistic speeds and timestamps so your Strava moving time, segment times, and pace charts are smooth.
Gap Stitching & Bridging
Seamlessly fill trail gaps between separate recording files with continuous curvature, elevation, and pacing.
Instant 3D Shorts & Stats Card
Export your joined GPX straight into 60fps 3D Flyover Shorts or high-resolution Social Media Posts in 1 click.
Common Multi-Stage Trail Scenarios Solved
Everything you need for seamless multi-day expeditions and split recordings.
Multi-Day Bikepacking & Long Treks
Combine Day 1, Day 2, and Day 3 recordings into a single master route to showcase your entire expedition on Strava or create a full 3D flyover video.
Dead Battery & Split Recordings
Your Garmin or Apple Watch battery died halfway and you recorded the rest on your phone. Merge both files into a seamless continuous activity.
Multi-Stage Enduro & Trail Loops
Stitch morning ascents and afternoon descents recorded as separate activities without losing Heart Rate, Elevation, or Cadence telemetry.
Missing Trail Gaps & Time Glitches
Fill in missing trail connections between recorded sections with realistic monotonic timestamps, smooth elevation interpolation, and authentic pacing.
Frequently Asked Questions
Everything you need to know about merging GPS tracks and gap filling.