GPSy is described as 'sophisticated Mac GPS communications and GIS mapping program. GPSy connects your Mac to a broad range of Global Positioning System (GPS) navigational units and has advanced mapping, logging, and data transfer features' and is an app in the Travel & Location category. There are three alternatives to GPSy for Mac. The best alternative is TrailRunner, which is free. Other great apps like GPSy are TrackMap (Paid) and Adze (Paid).
TrailRunner, a route planning software for long distance sports like biking, hiking, inline-skating, skiing. Calculator for jogging triathalon bikers running can calculate exercise and training routes matching your fitness and mileage.