Yesterday, PokemonAcer and I found out how we can get competitions to work.
(Thanks to @Ciapa for the patcher!).
This is currently a proof-of-concept and not ready to be released to the public yet, because the competition rankings do not work quite properly, but I hope to get this fixed soon.
But when we want to enable competitions on Wiimmfi in the future, we need the competition files to send out 
I have already got some competitions, but not all of them (35 of 46) and not in all languages.
So we need your help:
- If you still see any competition in the Mario Kart Channel (doesn't matter which language or which competition) or if the channel says "The competition has ended and the rankings are available", please dump your savegame with the Savegame Manager GX
- You can also send me the data.bin file (the complete save game) if you can copy it to SD with Priiloaders "remove copy protection" patch
- If you have an old NAND backup of your Wii somewhere on your SD card or computer, you can extract it with this tool: Download
Then you can open the path /title/00010004/524d43XX/data/ (XX is your region) and extract the file "wc24dl.vff".
If you have the VFF file / data.bin file, you can upload it here:
The more competition VFF files from different competitions and languages we can get, the more different competitions and languages for competitions can Wiimmfi support in the future.
(This post in German: click)
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