User blog comment:Na299/Ways of Gold Farming/@comment-26190050-20150424071121/@comment-24644758-20150425020307

That is, u would always get the gold and level up if reenter except for the first time after successful fc.

So yeah, in these scenarios, u would have to restore after u enter:

1. Did not do it successfully.

2. Did successfully, but failed at the next race

3. Did successfully, and did not play for a while and the system automatically closed the process

4. Did successfully, but game crashed for whatever reason during u r playing the next race or just watching the ads.

Basically the rule is, restore from cloud when u see the gold is added and the level up is done.