Contact Us

For questions and online fundraising support, please contact our support team.
For phone support, please call 855.975.9171.
Chat and phone support are live 9am-5:30pm CST weekdays. After hours will be supported by email and answered the following business day.

For more information on The Longest Day, contact TLD@alz.org.

For more information about Alzheimer’s disease, or the resources available through the Alzheimer’s Association, please contact our 24/7 helpline: 800.272.3900

To mail in a registration form:

Print and fill out this form and mail it to:
The Longest Day
225 N. Michigan Ave., Floor 17
Chicago, IL 60601

To mail in check donation:

Print and fill out this form and mail it with your check to:
The Longest Day
225 N. Michigan Ave., Floor 17
Chicago, IL 60601