         distance = json["distance"].double
         movingTime = json["moving_time"].double
         elapsedTime = json["elapsed_time"].double
+		lowElevation = json["elev_low"].double
+		highElevation = json["elev_high"].double
         totalElevationGain = json["total_elevation_gain"].double
         type = json["type"].strava(ActivityType.self)
         startDate = json["start_date"].string?.toDate()

    public let splitsMetric: [Split]?
    public let splitsStandard: [Split]?
    public let bestEfforts: [Split]?
    public let kiloJoules: Double?
    public let deviceWatts : Bool?

    /**
     Initializer

    public let distance: Double?
    public let movingTime: TimeInterval?
    public let elapsedTime: TimeInterval?
	public let highElevation : Double?
	public let lowElevation : Double?
    public let totalElevationGain: Double?
    public let type: ActivityType?
    public let startDate: Date?
