I have noticed that my bonus challenge is for 25k points and not 15k. I am not complaining and should be getting the bonus after 1 more night. A guy I travel with has the challenege for 15k as well. Can't figure out why mine is for 25k.

"Stay: 15 nights at any of more than 2,300 Marriott hotels worldwide between 2/15/04 and 5/15/04
Earn: 25,000 Marriott Rewards Points, good toward fabulous travel rewards"