Polar Vantage V is limited to 500 waypoints:
If the route is long, it will be compressed into 500 waypoints when it is transferred to Grit X/Grit X Pro/Pacer Pro/V650/Vantage/Vantage V2
Let's split long GPX route into 500-waypoint chunks. This is especially useful when you are running ultras.
go run main.go \
~/Downloads/SG200Miles2024.gpx \
"SG200" \
~/Downloads/SG200Miles2024