R3Tex
Living Legend
The file attached by @R3Tex is a GPX file extension is XML format -- an open format, so there are number of programs that can open it -- but you must have one of those programs on the device on which the file is saved, to wit:
GPX format and files
On that list, Google Earth is the most common for desk tops. Someone more knowledgeable may know what works better on smart phones.
Thanks Paul...you're the man