Gulfstream president and general manager Tim Ritvo said entries for the Memorial Day program on May 26 will be drawn four days in advance on Thursday to accommodate patrons wishing to play the Rainbow 6 on Memorial Day. May 26 has been designated by Gulfstream management as the mandatory payout for the Rainbow 6 pool, which has survived since Jan. 10. The jackpot exceeded $6 million when racing resumed here Friday.