This schema defines Garmin extensions to be used with the GPX 1.1 schema. The root element defined by this schema is intended to be used as a child element of the "extensions" elements in the trkpt element in the GPX 1.1 schema. The GPX 1.1 schema is available at http://www.topografix.com/GPX/1/1/gpx.xsd. This is a replacement for TrackPointExtension in http://www.garmin.com/xmlschemas/GpxExtensions/v3 This type contains data fields that cannot be represented in track points in GPX 1.1 instances. This type contains a temperature value measured in degrees Celsius. This type contains a distance value measured in meters. This type contains a heart rate measured in beats per minute. This type contains a cadence measured in revolutions per minute. This type contains a speed measured in meters per second. This type contains an angle measured in degrees in a clockwise direction from the true north line. This type provides the ability to extend any data type that includes it.