10:30 am – 2 pm 22nd Annual Serpent’s Back Mountain Bike Duathlon 2 mile run, 12 mile bike, 2 mile run Ages: AllFamily Fundraisers Sports Serpent’s BackMontauk
8 – 11 am 5K Run for the Ridley Ages: 5 and upFamily Fundraisers Sports McDermott Ave parking lotRiverhead
8:30 am – noon Runtoberfest 5K Ages: 5 and upFamily Fundraisers Sports Cedar Creek Park – Field 4Seaford
9 am – noon Town of Oyster Bay Supervisor’s 5K Run/Walk Ages: 5 and upFamily Fundraisers Sports Oyster Bay Community CenterOyster Bay
9 am – noon Terryville FD Stop, Drop & Run 5K Run/Walk Ages: 5 and upFamily Fundraisers Sports Terryville Fire Dept. Station #2Port Jefferson Station
9 am – noon The GSE Shybunko Memorial Fund Presents: Our 2nd Annual Legacy Run in the Park 5K Walk/Run Ages: 5 and upFamily Fundraisers Sports Long Island Innovation Park at HauppaugeHauppauge
9 am – noon Suffolk County 5K For Life Run/Walk Ages: 5 and upFamily Fundraisers Sports Heckscher State ParkEast Islip
8 am – noon Michael Sena’s Run for Hope 5K Run/Walk Ages: 5 and upFamily Fundraisers Sports Deer Park High SchoolDeer Park
9 am – noon Walk to End Alzheimer’s – North Babylon Free Fundraisers Belmont Lake State ParkNorth Babylon
9 am – noon Walk to End Alzheimer’s – Yaphank Free Fundraisers Suffolk County Farm & Education CenterYaphank
9 am – 1 pm North Shore Animal League America – Walk and Wag Animals Fundraisers Garvies Point Brewery & RestaurantGlen Cove
8:30 – 11:30 am Halloween Spooktacular Fall 5K Ages: 5 and upFamily Fundraisers Halloween Planting Fields ArboretumOyster Bay
8:30 am – noon Outrun the Stigma 5K Run/Walk Ages: 5 and upFamily Fundraisers Sports RACE SITEMassapequa Park
9 am – noon Marianne Volpe 5K & Pumpkin Fun Run Ages: 5 and upFamily Fundraisers Sports Baldwin Harbor ParkBaldwin
9 am – noon SBFD Engine Company Monster Dash 5K Run/Walk Ages: 5 and upFamily Fundraisers Halloween Stony Brook Fire DepartmentStony Brook
9 am – noon Floral Park Knights of Columbus Presents Rhatigan’s Run 5K Run/Walk Ages: 5 and upFamily Fundraisers Halloween Floral Park Knights of Columbus CouncilFloral Park
9 am – noon The Running Dead 5K Run/Walk Ages: AllFamily Fundraisers Halloween Shortfront ParkPatchogue
9:30 am – 12:30 pm The Elizabeth Ferris Memorial 5K Run/Walk Ages: 5 and upFamily Fundraisers Sports Heckscher State Park Field 1East Islip
9 am – noon PAWS OF WAR 5K Family Run/Walk Ages: 5 and upFamily Fundraisers Sports Heckscher State ParkEast Islip
9 am – noon Fallback Half Marathon & 5K Ages: 5 and upFamily Fundraisers Sports Heckscher State Park – Field 4East Islip
9 am – noon Hudsy 5K Run/Walk A 5K Run/Walk Honoring Joan Hudson Ages: 5 and upFamily Fundraisers Sports Quogue Elementary SchoolQuogue
9 am – 12:30 pm Long Island Turkey Trail Trot 5K Run/Walk Ages: 5 and upFamily Fundraisers Sports Bethpage Polo at the ParkBethpage
9 am – noon The EisnerAmper 5K Turkey Trot to Feed Long Island & In Memory of Neil Chadderton Ages: 5 and upFamily Fundraisers Sports Eisenhower Park
8:30 am – noon The 20th Annual Long Beach City Council Turkey Trot Ages: 9 and upFamily Fundraisers Sports Long Beach Catholic Regional SchoolLong Beach
8:30 am – noon Massapequa Thanksgiving Day Turkey Trot 5K Ages: 5 and upFamily Fundraisers Sports John J Burns ParkMassapequa
8:30 am – noon Nissequogue River State Park Turkey Trot 5K Ages: 5 and upFamily Fundraisers Sports Nissequogue River State ParkKings Park
8:30 am – noon Townwide Fund of Huntington Thanks4Giving 4 Miler Ages: 5 and upFamily Fundraisers Sports American Legion Hall, HalesiteHuntington
Today, 10 am The Atelier at Flowerfield is excited to present “Long Island Landscapes,” a dual exhibition of local artists Jonathan Van Brunt and Patricia Yantz opening Thursday, August 14th The Atelier at Flowerfield
Today, noon Greenport Harbor Brewing Company Presents Contemporary Artist Gavin Zeigler Greenport Harbor Brewing Company’s Greenport Tasting Room