7:30 am, Aug. 26. Registration opens for “Walk to End Alzheimer’s,” sponsored by Alzheimer’s Assn.-Greater Michigan Chapter. The 1.8-mile walk begins following opening ceremony at 8. Event also features a Kids Zone with face painting, crafts, temporary tattoos, fairy princesses and clowns, as well as photo areas and music. At Detroit Zoo, Royal Oak. RSVP: www.alz.org/gmc. Info: Kyle, firstname.lastname@example.org or 248-996-1044.