9 am – noon Run For Caumsett 5K Run/Walk Ages: AllFundraisers Sports Caumsett State Historic Park Preserve
9 am – noon New Rochelle Cinco de Mile Ages: AllFundraisers Sports Finish Line Physical TherapyNew Rochelle
9 am – noon May the 4th Be With You 5K Ages: AllFundraisers Sports Hempstead Lake State ParkWest Hempstead
9 am – noon New York Harbor Oyster Classic 5K Ages: AllFundraisers Sports Battery Maritime Building (BMB) Ferry to Governors Island
10 – 11:30 am SMLI Family Workshop – Egg Drop Challenge Ages: 5 – 12Craft & DIY Science Museum Of Long Island
10 – 11 am Cantemos de Domingo Ages: 4 and underEn Español Free Children’s Museum of the East EndBridgehampton
10 am – 4 pm Tulip Festival at Heritage Farm & Garden Ages: 3 and upCraft & DIY Environment Heritage Farm and GardenMuttontown
10:30 am – 5 pm Belle da Costa Greene: A Librarian’s Legacy Ages: 9 and upArt History & Culture The Morgan Library & MuseumMurray Hill
11 am – 4 pm Release the Kraken! Scavenger Hunt Ages: 3 and upArt Attractions The Whaling Museum & Education Center
11:30 am – 4 pm All Paws on Deck Ages: 5 and upAnimals Art The Whaling Museum & Education CenterCold Spring Harbor
Noon – 1 pm The Rock and Roll Playhouse Plays The Music of David Bowie & More For Kids Ages: 8 and underMusic Brooklyn BowlWilliamsburg
2 – 3 pm Crochet Crew Ages: 13 and upCraft & DIY Food & Drink Finkelstein Memorial LibrarySpring Valley
2 – 3:30 pm Mutts Gone Nuts Ages: AllAnimals Jeanne Rimsky Theater At Landmark On Main StreetPort Washington
Brooklyn Paper Cats and canines: Flatbush Vet prepares to launch much-needed affordable dental care for pets