Finish 2 races course,use flight for slalom,how to lock the first 2 races

hi All
I have a Q.when we finish 2 races course,use flight for slalom,how to lock the first 2 races ,do not recalcute,just use the fligth calculate the slalom

Hi Annaz,
Welcome to the Sailwave User Group.

I am sorry I am not understanding your question.

Kind regards,
Huw