This sample show a how to render circles to the map.

<%=
        Html.Telerik().Googlemap()
            .Name("map")
            .Circles(
                        c => c.Add()
                            .Center(new Location(52.140971656573335, -2.39435493946075))
                            .Radius(70000)
                            .FillColor(Color.Blue)
                            .StrokeColor(Color.DarkBlue)
                            .StrokeWeight(4)
                    ) 

    %>