The main pool of the pick six begins on Thursday with a two-day carryover of $271,496.
There is also a carryover of $126,816 in the single ticket jackpot portion of the pool.
With so much at stakes, the pool of new money could surpass $750,000.
The pick six civers the third through eighth races on a program that begins at 2 p.m., Pacific. The first pick six race has a post time of approximately 3 p.m.