Running is at the top of popular sports on Long Island. Runners by the hundreds, and sometimes thousands, of all ages and abilities step up to starting lines almost every weekend morning.

SEPTEMBER

NORTHWELL HEALTH GREAT SOUTH BAY RUN

Bay Shore Marina, South Clinton Ave., Bay Shore, raceawesome.com. 13.1-mile half marathon and 10k and 5k run/walk. Fee $33-$79, $50-$90 race day; ages 18 and younger: $23-$64, $40-$75 race day. Date 7:30 a.m. Sept. 27.

HAMPTONS MARATHON, HALF-MARATHON AND 5K

Agawam Park, 51 Pond Lane, Southampton, hamptonsmarathon.com. Marathon and half-marathon begin at 7:30 a.m., 5k begins at 7:45 a.m. Fee Marathon: $110-$130, $135 race day; half-marathon: $95-$115, $120 race day; 5k: $40-$50, $55 race day. Date 7:30 a.m. Sept. 27.

AMERICA’S VETDOGS 5K RUN AND DOG WALK

Smithtown Elementary School, 51 Lawrence Ave., Smithtown, 631-930-9000, vetdogs.org/run. 5k run/walk to raise funds for service and guide dogs. Fee $35. Date 9 a.m. Sept. 27.

EUGENE “GENO” GOODRICH FOUNDATION FIGHTING MELANOMA 5K RUN/WALK

Farmingdale High School, 150 Lincoln St., Farmingdale, 516-531-3323, elitefeats.com. 5k to raise awareness and funds to fight melanoma. Fee $35, $40 race day. Date 9 a.m. Sept. 27.

SUPERHEROES FOR CHILD CARE 5K AND KIDS FUN RUN

Eisenhower Park, Merrick Ave. and Stewart Ave., East Meadow, 516-531-3323, elitefeats.com. Kids fun run starts at 9:30 a.m., 5k starts at 10 a.m., benefits the Child Care Council of Nassau. Fee $30 before Sept. 6, $35 after, $40 race day. Date 10 a.m. Sept. 27.

WALK TO END ALZHEIMER'S

Peconic Landing, 1500 Brecknock Rd., Greenport, 631-315-6494, act.alz.org/nofo. Benefits Alzheimer’s care, support and research, check-in begins at 9 a.m., opening ceremony at 9:30 a.m. Fee Donations. Date 10 a.m. Sept. 27.

6-HOUR 60TH BIRTHDAY RUN

Belmont Lake State Park, 625 Belmont Ave., North Babylon, 516-531-3323, elitefeats.com. 1.75-mile loop, honors individuals born in 1965, all ages welcome. Fee $60, $65 race day. Date 8:30 a.m. Sept. 28.

ANTHONY BOCCHIMUZZO MEMORIAL SCHOLARSHIP FUND 5K

Suffolk County Police Department, 30 Yaphank Ave., Yaphank, 516-531-3323, elitefeats.com. Community run/walk in memory of Anthony Bocchimuzzo, benefits high school senior scholarships, check-in begins at 7:30 a.m., kids fun run starts at 9 a.m. Fee $35. Date 9:30 a.m. Sept. 28.

CLASSIC APPLE PIE 5K

Eisenhower Park, Merrick Ave. and Stewart Ave., East Meadow, 516-531-3323, elitefeats.com. Benefits the Never Stop Running Foundation, held in Field 2. Fee $33, $35 race day. Date 9 a.m. Sept. 28.

OCTOBER

WALK TO END ALZHEIMER’S

Eisenhower Park, Field 6, Merrick Ave. and Stewart Ave., East Meadow, 631-315-6486, act.alz.org/nassau. Benefits Alzheimer’s care, support and research, check-in begins at 9 a.m., opening ceremony at 10 a.m. Fee Donations. Date 10:30 a.m. Oct. 4.

MAKING STRIDES AGAINST BREAST CANCER WALK

Grangabel Park, Peconic Ave., Riverhead, 800-227-2345, makingstrideswalk.org. Benefits breast cancer research, patient services and advocacy, check-in at 9 a.m. Fee Donations. Date 10 a.m. Oct. 4; rain date: Oct. 5.

GIGI’S PLAYHOUSE LONG ISLAND 5K RUN/WALK

Shorefront Park, Rider Ave. and Smith St., Patchogue, 516-531-3323, elitefeats.com. 5k and fun run to benefit Gigi’s Playhouse Down Syndrome Achievement Center, featuring post-race festivities. Fee $35 before Oct. 1, $40 after; $20 for ages 11 and younger. Date 9 a.m. Oct. 5.

ADELPHI PANTHERS FOR A CAUSE 5K

Adelphi University, 1 South Ave., Garden City, 516-531-3323, elitefeats.com. Check-in opens at 8 a.m., kids fun run starts at 9 a.m., 1k run/walk starts at 9 a.m., 5k run/walk starts at 9:30 a.m. Fee 5k: $25, $30 race day; 1k: $10; free for fun run. Date 9 a.m. Oct. 5.

BLAZING TRAILS 5K AND 1 MILE WALK FOR AUTISM

Eisenhower Park, Field 2, 1899 Hempstead Tpke., East Meadow, elitefeats.com. Benefits children and adults with autism. Fee $40 in advance, $45 race day. Date 8:30 a.m. Oct. 5.

MANHASSET BREAST CANCER 5K/WALK

Mary Jane Davies Park, Plandome Road, Manhasset, 516-627-2410, manhassetbreastcancer.org. 5k run and walk benefit the Manhasset Women’s Coalition Against Breast Cancer, opening ceremony and check-in begin at 8:30 a.m. Fee $30 preregistration till Oct. 4, $40 race day. Date 9:30 a.m. Oct. 5 rain or shine.

MASSAPEQUA PARK MILE RUN

Park and Clark boulevards, Massapequa Park, 516-662-7030, massapequaroadrunners.org. Women’s heat at 9 a.m., men’s heat at 9:30 a.m., 1/4-mile fun run after both heats. Fee $20 by Sept. 24, $25 after; $15 ages 18 and younger, free for fun run. Date 9 a.m. Oct. 5.

RUN THE VINEYARDS

Pindar Vineyards, 37645 Main St., Peconic, 856-430-8250, gooddayforarun.com. 5k and 8k run to benefit the New York Cancer Foundation, featuring live entertainment and a glass of wine at the finish line. Fee 5k: $48, $50 race day; 8k: $50, $52 race day. Date 9 a.m. Oct. 5.

LOVE IN ACTION 5K RUN/WALK

Venetian Shores Park, 850 Venetian Blvd., Lindenhurst, 516-531-3323, elitefeats.com. 5k to raise awareness and funds for foster children, kids fun run starts at 8:30 a.m. Fee $30, $35 race day. Date 9 a.m. Oct. 11.

RUN WALK PRAISE 5K RUN/WALK

Baldwin Harbor Park, 3219 Grand Ave., Baldwin, 646-504-2512, elitefeats.com. 5k to benefit the Economic Opportunity Commission of Nassau County. Fee $35, $40 race day; ages 12 and younger: $20, $25 race day. Date 9 a.m. Oct. 11.

GREAT PUMPKIN DASH TRAIL 5K

Blydenburgh County Park, Veterans Memorial Hwy., Smithtown, 516-531-3323, elitefeats.com. Benefits the Never Stop Running Foundation, kids fun run starts at 8:30 a.m. Fee $38, $40 race day; free for fun run. Date 9 a.m. Oct. 12.

JACLYN M. RAMIREZ MEMORIAL 5K

Eisenhower Park, Merrick Ave. and Stewart Ave., East Meadow, 516-531-3323, elitefeats.com. Benefits scholarships, kids fun run starts at 8:30 a.m., held at Field 2. Fee $30, $35 race day; middle and high school students: $15, $17.50 race day; free for fun run. Date 9 a.m. Oct. 12.

LYNBROOK COUNCIL OF PTAS 5K

North Middle School, 529 Merrick Rd., Lynbrook, 516-531-3323, elitefeats.com. Benefits scholarships, kids fun run starts at 8 a.m. Fee $35, $40 race day; ages 18 and younger: $25; fun run: $10, $12 race day. Date 8:30 a.m. Oct. 12.

NORTH BABYLON & WEST BABYLON CHAMBER OF COMMERCE 5K RUN/WALK

Town of Babylon Parks & Recreation, 151 Phelps Lane, North Babylon, 516-531-3323, elitefeats.com. 5k to benefit the North Babylon Food Pantry at St. Paul’s Reformed Church. Fee $35, $40 race day. Date 8 a.m. Oct. 12.

STONY BROOK BENCH 5K RUN/WALK

Bench Bar & Grill, 1095 N. Country Rd., Stony Brook, 516-531-3323, elitefeats.com. 5k to benefit People’s Arc of Suffolk , featuring post-race games, vendors, music, food and beer (for ages 21 and older). Fee $50, $20 ages 13-20, $10 ages 12 and younger. Date 10 a.m. Oct. 12.

RAY’S WALK 5K RUN/WALK

Eisenhower Park, Merrick Ave. and Stewart Ave., East Meadow, 516-531-3323, elitefeats.com. Benefits WellLife Network, held at Field 2. Fee $30 before Oct. 1, $35 after. Date 10 a.m. Oct. 17.

5K RUN FOR THE RIDLEY

McDermott Ave., Riverhead, 516-531-3323, elitefeats.com. 5k to benefit the New York Marine Rescue Center, check-in starts at 7 a.m. Fee $50. Date 8 a.m. Oct. 18. 

LEGACY RUN IN THE PARK 5K

Long Island Innovation Park, 25 Corporate Dr., Hauppauge, 516-531-3323, elitefeats.com. Benefits the GSE Shybunko Memorial Fund. Fee $35, $40 race day, $10 ages 12 and younger. Date 9 a.m. Oct. 18.

RUNTOBERFEST 5K

Cedar Creek Park, 3340 Merrick Rd., Seaford, 516-531-3323, elitefeats.com. Benefits the Never Stop Running Foundation, kids fun run starts at 8:30 a.m., held at Field 4. Fee $33, $35 race day; free for fun run. Date 9 a.m. Oct. 18.

TOWN OF OYSTER BAY SUPERVISOR’S 5K RUN/WALK

Oyster Bay Community Center, 59 Church St., Oyster Bay, 516-531-3323, elitefeats.com. Benefits the Life Enrichment Center at Oyster Bay. Fee $35, $40 race day; Town of Oyster Bay residents: $30, $35 race day. Date 9 a.m. Oct. 18.

TERRYVILLE FIRE DEPARTMENT 5K RUN/WALK

Terryville Fire Department Station 2, 688 Old Town Rd., Port Jefferson Station, 516-531-3323, elitefeats.com. 5k run/walk to benefit the Terryville Fire Department Company 2. Fee $30. Date 9 a.m. Oct. 18.

WALK TO END ALZHEIMER’S

Suffolk County Farm and Education Center, 350 Yaphank Ave., Yaphank, 631-315-6494, act.alz.org/yaphank. Benefits Alzheimer’s care, support and research, check-in begins at 9 a.m., opening ceremony at 10 a.m. Fee Donations. Date 10:30 a.m. Oct. 18.

SUFFOLK COUNTY MARATHON

raceawesome.com. 5k at 9 a.m. and kids fun run at 11 a.m. on Oct. 18 in Gardiner County Park; 10k, half-marathon and full marathon start at 7:30 a.m. on Oct. 19 in Babylon Village at Deer Park Ave. and Railroad Ave.; events support services for veterans. Fee 5k: $33-$45, $50 race day; 10k: $64-$79, $85 race day; half-marathon: $99-$129, $140 race day; full marathon: $114-$144, $160 race day; fun run: $14, $20 race day. Date 9 a.m. Oct. 18, Gardiner County Park, Montauk Hwy., Bay Shore; 7:30 a.m. Oct. 19, Deer Park Ave. and Railroad Ave., Babylon.

MAKING STRIDES AGAINST BREAST CANCER WALK

Jones Beach State Park, Wantagh, 212-237-3875, makingstrideswalk.org. 5-mile walk benefits breast cancer research, patient services and advocacy. Check-in at 7 a.m., rolling start at 7 a.m., held at Field 5. Fee Donations. Date 7 a.m. Oct. 19.

RUN 4 BEIGEL

Half Hollow Hills High School, 50 Vanderbilt Pkwy., Dix Hills, 631-806-4649, strongislandrunningclub.com. 5k in honor of Scott J. Beigel and Michael Schulman, benefits summer sleep-away camps for at-risk children touched by gun violence, check-in begins at 7:30 a.m., kids fun run starts at 8:30 a.m. Fee $35, $40 race day, $10 fun run. Date 9 a.m. Oct. 19.

WALK TO END ALZHEIMER’S

Belmont Lake State Park, 625 Belmont Ave., West Babylon, 631-315-6486, act.alz.org/belmontlake. Benefits Alzheimer’s care, support and research, check-in begins at 9 a.m., opening ceremony at 10 a.m. Fee Donations. Date 10:30 a.m. Oct. 19.

OUTRUN THE STIGMA 5K RUN/WALK

Front St. and Park Blvd., Massapequa Park, 516-531-3323, elitefeats.com. Benefits initiatives for numerous departments to help boost morale and officers’ mental health, assistance for families after a suicide, grief groups, seminars for officers, events and other costs associated with awareness and prevention, kids fun run starts at 8:45 a.m., ceremony at 9 a.m. Fee $30 before Oct. 12, $35 after; $5 fun run. Date 9:15 a.m. Oct. 25.

RHATIGAN’S RUN 5K RUN/WALK

Knights of Columbus, 33 S. Tyson Ave., Floral Park, 516-531-3323, elitefeats.com. 5k to honor the memory of Jim Rhatigan, proceeds benefit the Floral Park Knights of Columbus. Fee $30, $40 race day. Date 9 a.m. Oct. 25.

MONSTER DASH 5K RUN/WALK

Stony Brook Fire Department Station 2, 1410 Stony Brook Rd., Stony Brook, 516-531-3323, elitefeats.com. 5k run/walk and 1-mile fun run hosted by the Stony Brook Fire Department, fun run starts at 9 a.m., costumes are encouraged. Fee $30 before Sept. 27, $35 after; $20 fun run. Date 9:30 a.m. Oct. 25.

MARIANNE VOLPE 5K AND PUMPKIN FUN RUN

Baldwin Harbor Park, 3219 Grand Ave., Baldwin, 516-531-3323, elitefeats.com. Benefits the Leukemia & Lymphoma Society, half-mile kids fun run starts at 9 a.m. Fee $30, $40 race day; $10 fun run. Date 9:30 a.m. Oct. 25.

ELIZABETH FERRIS MEMORIAL 5K RUN/WALK

Heckscher State Park, 1 Heckscher State Pkwy., East Islip, 516-531-3323, elitefeats.com. 5k run/walk to benefit pancreatic cancer research, held at Field 1. Fee $30. Date 9:30 a.m. Oct. 26.

NOVEMBER

PAWS OF WAR 5K FAMILY RUN/WALK

Heckscher State Park, Heckscher Parkway, Parking Field 1, East Islip, elitefeats.com. 5k run/walk to benefit service animals for veterans, sponsored by Knights of Columbus Council 6607. Fee $35. Date 9 a.m. Nov. 1.

VETERANS DAY CROSS-COUNTRY 4K RUN

Gov. Alfred E. Smith/Sunken Meadow State Park, at north end of Sunken Meadow State Parkway, Kings Park, nrcrun.org. Benefits hospitalized veterans. Fee $30, $35 race day; $15 for veterans, military and ages 13 and younger. Date 10 a.m. Nov. 1. 

CP NASSAU 5K WALK, RUN, ROLL, STROLL

Eisenhower Park, 1899 Hempstead Tpke., East Meadow, cpnassau.org. Benefits Cerebral Palsy Association of Nassau County’s playground project and MOVE (Mobility Opportunities Via Education) program. Check-in begins at 7:30 a.m. Fee At least $200 in donations. Date 8:30 a.m. Nov. 2.

FALLBACK HALF MARATHON AND 5K

Heckscher State Park, Heckscher Parkway, Parking Field 4, East Islip, elitefeats.com. Benefits the Never Stop Running Foundation. Fee 5k: $38, $40 race day; half marathon: $70, $75 race day. Date 9 a.m. Nov. 2.

HUDSY 5K RUN/WALK

Quogue Elementary School, 10 Edgewood Rd., Quogue, 631-653-4285, elitefeats.com. 5k run/walk to honor Joan Hudson, kids fun run follows 5k, benefits heart-healthy activities at the Quogue Elementary School. Fee $30, $35 race day; ages 17 and younger: $15, $20 race day. Date 9 a.m. Nov. 8.

CANCERCARE WALK FOR HOPE

Town of Oyster Bay Golf Course, 1 Southwoods Rd., Woodbury, 212-712-8369, cancercare.org/2025walk. Family-friendly 5k walk to support professional support services for people affected by lung cancer. Check-in begins at 8 a.m. Fee $40, $20 ages 11 and younger. Date 9:30 a.m. Nov. 16. 

ST. BRIGID/OUR LADY OF HOPE 5K RUN & WALK

St. Brigid/Our Lady of Hope Regional School, 101 Maple Ave., Westbury, elitefeats.com. 5k run/walk to benefit the students of St. Brigid/Our Lady of Hope School, kids fun run starts at 8:30 a.m. Fee $25, $30 race day; ages 13 and younger: $20, $25 race day; $15 teachers; $5 fun run. Date 9 a.m. Nov. 29.

ROB’S TRAIL RUN EDITION

Stillwell Woods, Syosset, raceawesome.com. Cross-country 5k in memory of Rob Lauterborn, individual and team competition. Registration and pickup at the Center for Developmental Disabilities, 72 South Woods Rd., Woodbury, from 7:30-8:50 a.m. Fee $45, $50 race day; middle and high school: $37, $40 race day. Date 9 a.m. Nov. 30.

DECEMBER

JINGLE BELL 5K RUN/WALK

Hofstra University, USA Building, North Campus, 900 Fulton Ave., Hempstead, 845-494-2784, jbr.org/longisland. Arthritis Foundation’s 5k run/walk on a USATF-certified course. Donations will be accepted. Fee $50 by Oct. 31, $55 after, $60 race day; kids’ fun run: $25 by Oct. 31, $30 after, $35 race day. Date 9 a.m. Dec. 6.

SEAFORD WELLNESS HOT CHOCOLATE RUN/WALK

Seaford High School, 1575 Seamans Neck Rd., Seaford, 516-384-8536, seafordwellness.com/hot-chocolate-run. 5k race, registration begins at 7:30 a.m. Fast and flat. Raffles, prizes, hot chocolate and bagels. Benefits health education and substance abuse awareness. Fee $40-$45 in advance, $50 race day; middle and high school students: $36-$42 in advance, $45 race day. Date 9 a.m. Dec. 6.

CATCH THE SLEIGH 5K

Cedar Creek Park, Parking Field 4, 3340 Merrick Rd., Seaford, elitefeats.com. Benefits the Never Stop Running Foundation, kids dash starts at 9:30 a.m. Fee $30 before Nov. 15, $33 after, $35 race day; free for fun run. Date 10 a.m. Dec. 6.

TOUGH COOKIE 8K TRAIL RACE

Gov. Alfred E. Smith/Sunken Meadow State Park, at north end of Sunken Meadow State Parkway, Kings Park, nrcrun.org. A challenging and hilly course, featuring raffles and holiday cookies, registration begins at 8:30 a.m. Benefits the Long Island Greenbelt Trail Conference. Fee $30. Date 10 a.m. Dec. 7.

A BACKYARD ULTRA

Blydenburgh County Park, Veterans Memorial Hwy., Smithtown, 631-589-5700, sayvillerunning.com. Competitors will consecutively run the distance of 6706 meters (4.167 miles) in less than one hour, event continues until one participant is remaining, benefits the Long Island Greenbelt Trail Conference. Fee $123.76 by Dec. 7, $139.54 after. Date 8 a.m. Dec. 13.

HO HO HO 5K RUN

John F. Kennedy Middle School, 500 Broadway, Bethpage, 516-349-7646, elitefeats.com. 400m kids fun run begins 8:45 a.m., 5k starts at 9:30 a.m., featuring post-race food, hot chocolate and toy drive. Fast paced, flat 5k through the streets of Bethpage. Fee $35, $40 race day; free kids fun run. Date 9:30 a.m. Dec. 13.

JINGLE ALL THE WAY 5K

Cedar Creek Park, 3340 Merrick Rd., Seaford, 516-442-0117, raceawesome.com. 5k begins at 9 a.m. and Run Run Rudolph 1k begins at 8:30 a.m. Adults are welcome to run the 5k with a jogging stroller. Bring a toy for the John Theissen Children’s Foundation Toy Drive. Fee $41-$50, $31-$40 middle and high school students; $57-$65 dog run. Date 9 a.m. Dec. 14.

A BACKYARD ULTRA: THE 1 LAPPER

Blydenburgh County Park, Veterans Memorial Hwy., Smithtown, 631-589-5700, sayvillerunning.com. 6706-meter (4.167-mile) run, benefits the Long Island Greenbelt Trail Conference. Fee $33.74 by Dec. 8, $44.32 after. Date 9:30 a.m. Dec. 14.