A certain percentage goes to a yearly raffle/lottery. This comes for all the startes. At the end of the year there will be a withdraw  of the income. Each participate will get same amount tickets as they have registrated results. This means if you have added three results you will have three tickets. And if you have 22 added results you will have 22 tickets.
A ticket is the same as your placement in your class in a certain week.

The prizepool will work like this
It will be 10 equal prizes up to 20000 usd (maximum 2000 usd per prize)
20 equal prizes from 20001-40000 usd (maximum 4000 usd per prize)
30 equal prizes from 40001-60000 usd and so on (maximum 6000 usd per prize and so on)