Hi Peter G
If you still want to use a spreadsheet directly (rather than the Google Sheet method) let me know. The link in the old forum reference is not correct for some reason (I'll fix it later). In addition, if you are using the older MapRunHTML import spreadsheet, this is for the older results method based on CSV. Although this still works, the event name is not formatted the same way as the newer JSON results.
A JSON version is available
https://drive.google.com/drive/folders/1sMb8t4_nTuQoTo6TUNPt8g2J6dgGKY33?usp=drive_link
under MapRunJSON.zip, which includes the excel spreadsheet and some instructions. As Peter noted, this will not work with Excel for MAC as Mac Excel is missing a number of the built in libraries available in the Windows version. I did get part way through working around this but it was too difficult without actually having a MAC (i may try again at some point). Because it contains macros, you may need to do some extra steps to get Windows to allow it to run.
If you have any issues or questions let me know (and send me the event name).