The CHALLENGE begins Saturday, May 26, 2018 and concludes at “official” of the last Monmouth Park live race Monday, September 3, 2018. Players must register by 11:00 am Saturday, May 26, 2018. All returning players must "re-activate" and by doing so are accepting the 2018 CHALLENGE RULES by 11:00 am Saturday, May 26, 2018.