Run or walk the Hope for Battan Cure 5k, 2-Mile or 1k Saturday at 9 a.m. at Bachman Lake, 3500 W. Northwest Highway. Lake Highlands residents Nancy and Scott Lowden began organizing this annual running event after two of their grandchildren — Eric and McKenna Lowden — were diagnosed with Batten disease, a degenerative brain disease that affects children, and eventually can cause blindness, seizures, cognitive decline, psychosis, loss of speech and mobility, and eventually death. Proceeds from the $25 race — for which you can register today at Run On! Mockingbird until 6 p.m. or tomorrow (Friday) at the Lake Highlands YMCA — benefit the Batten Disease Support and Research Association.

Howl at Hillside is a fund-raising event Saturday for the dog park at White Rock Lake. There will be a silent auction, live entertainment, adoptable dogs, and pet-centric vendors, artists and authors. The free event is in the Hillside Village Shopping Center.

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Saturday is Family Fun Lake Day at White Rock. Learn about all the fun things to do at the lake, from 9 a.m.-1 p.m.. There will be fishing demonstrations and seminars on kayaking, canoeing and paddle board sailing.

historic tour of the lake is from 1-2 p.m. Saturday. Meet at Ridgewood Belcher Recreation Center.