If you clicked "raising money for a personal/group cause" a WePay email was sent to the Organizer when you created your Thon. Click on this email or go to www.wepay.com/login and click "forgot password." The Organizer of the Thon will have to enter his/her bank account attached to his/her name.
If you clicked "I am raising money for a Non-Profit" the non-profit receives a check to the address that is associated with their EIN number every 2 weeks starting the day you collect your first pledge. There is a $40 minimum for a check to be disbursed.