| 2025 500 Festival Running Events | Indianapolis, Indiana | 15,210 | 575,156 |
| Life Time Chicago Half Marathon + 5K | Chicago, Illinois | 4,965 | 203,749 |
| Seattle Marathon Summer Events | Seattle, Washington | 4,631 | 111,858 |
| 2027 Walt Disney World® Marathon Weekend | Orlando, Florida | 4,489 | 307,376 |
| Beer City Half™ San Diego | San Diego, California | 4,399 | 128,176 |
| Thanksgiving Day Half Marathon & 5K | Atlanta, Georgia | 3,488 | 133,762 |
| Rock ‘n’ Roll Philadelphia Half Marathon | Philadelphia, Pennsylvania | 3,322 | 213,691 |
| NYRR Fred Lebow Manhattan Half-Marathon | New York, New York | 2,977 | 114,190 |
| LONG ISLAND MARATHON FESTIVAL | East Meadow, New York | 2,908 | 113,892 |
| The Unforgettable Staten Island Half Marathon! | Staten Island, New York | 2,885 | 156,220 |
| Georgetown To Idaho Springs Half Marathon | Georgetown, Colorado | 2,765 | 50,098 |
| Grandma's Marathon | Duluth, Minnesota | 2,489 | 150,606 |
| The LESS Popular Brooklyn Half Marathon! | Brooklyn, New York | 2,398 | 368,147 |
| 3M Half Marathon | Austin, Texas | 1,979 | 98,686 |
| NYCRUNS Queens Half-Marathon | College Point, New York | 1,949 | 120,834 |
| DRC Half Marathon and 5K | Dallas, Texas | 1,863 | 41,242 |
| Covered Bridges Half Marathon | Woodstock, Vermont | 1,834 | 49,181 |
| Pikes Peak Ascent | Manitou Springs, Colorado | 1,593 | 57,206 |
| Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K | Hartford, Connecticut | 1,515 | 88,701 |
| Kiawah Island Marathon | Kiawah Island, South Carolina | 1,387 | 82,889 |
| New Bedford Half Marathon | New Bedford, Massachusetts | 1,385 | 52,428 |
| Rock 'n' Roll New Orleans | New Orleans, Louisiana | 1,335 | 121,033 |
| Fairfield Road Races | Fairfield, Connecticut | 1,295 | 58,485 |
| Lincoln Marathon & Half Marathon | Lincoln, Nebraska | 1,171 | 111,395 |
| Baystate Marathon | Lowell, Massachusetts | 1,144 | 30,903 |
| Boulder REZ Marathon | Boulder, Colorado | 1,130 | 20,024 |
| DEXTER-ANN ARBOR RUN | Dexter, Michigan | 1,055 | 75,115 |
| Thanksgiving Distance Classic | Jacksonville, Florida | 1,049 | 39,259 |
| New Prague Half Marathon | New Prague, Minnesota | 1,047 | 15,292 |
| OUC Half Marathon | Orlando, Florida | 1,035 | 52,361 |
| 47th Colonial Half Marathon and 5K | Williamsburg, Virginia | 1,021 | 28,221 |
| Caesar Rodney Half Marathon | Wilmington, Delaware | 979 | 19,159 |
| Indy Half Marathon at Fort Ben | Lawrence, Indiana | 969 | 39,235 |
| Tucson Marathon | Tucson, Arizona | 956 | 33,701 |
| Barron Collier Companies Naples Half Marathon | Naples, Florida | 948 | 55,028 |
| Mercer Island Rotary Half Marathon | Mercer Island, Washington | 892 | 26,464 |
| Parkersburg News and Sentinel Half Marathon and Two Mile Race | Parkersburg, West Virginia | 883 | 18,336 |
| Maybelline Women's Half | New York, New York | 818 | 103,010 |
| Liberty Waterfront Half Marathon and 5K Run | Jersey City, New Jersey | 798 | 34,413 |
| River Run Half Marathon | Berea, Ohio | 787 | 30,888 |
| Steamboat Springs Marathon/Half Marathon/10K | Steamboat Springs, Colorado | 776 | 17,713 |
| 2025 Val Nolasco Half Marathon | Honolulu, Hawaii | 769 | 20,074 |
| Davis Stampede | Davis, California | 728 | 17,320 |
| Urban Cow Half Marathon | Sacramento, California | 713 | 54,868 |
| Dayton River Corridor Classic | Dayton, Ohio | 670 | 25,027 |
| MCRRC Riley's Rumble Half Marathon | Boyds, Maryland | 668 | 11,108 |
| Whistlestop Marathon & Half Marathon | Ashland, Wisconsin | 666 | 25,212 |
| Maine Marathon, Half Marathon and Marathon Relay | Portland, Maine | 654 | 66,256 |
| The Runners Den Scottsdale 1/2 Marathon & 5K | Scottsdale, Arizona | 654 | 22,620 |
| Hyannis Marathon, Half Marathon, 10K | Hyannis, Massachusetts | 630 | 36,046 |
| Jacksonville Bank Marathon, Half Marathon | Jacksonville, Florida | 605 | 19,476 |
| Columbus Half Marathon | Dublin, Ohio | 605 | 6,554 |
| City to the Sea Half Marathon | San Luis Obispo, California | 598 | 24,766 |
| Ridgefield Pamby Half Marathon | Ridgefield, Connecticut | 566 | 10,367 |
| Drake Relays | Des Moines, Iowa | 549 | 11,388 |
| Leaf Peepers Half-Marathon and 5K | Waterbury, Vermont | 531 | 12,824 |
| South Shore Half Marathon | Milwaukee, Wisconsin | 530 | 14,644 |
| The Governor's Cup Road Race | Columbia, South Carolina | 524 | 12,239 |
| Cedars of Lebanon Frostbite Half-Marathon | Lebanon, Tennessee | 513 | 9,244 |
| E Murray Todd Half Marathon | Colts Neck, New Jersey | 509 | 13,193 |
| 2026 Humboldt Redwoods Marathon, Half Marathon, 5K | Weott, California | 495 | 14,310 |
| Borgess Run For The Health Of It! | Kalamazoo, Michigan | 493 | 23,536 |
| Jersey Shore Half Marathon and 2 Mile Run | Highlands, New Jersey | 484 | 36,086 |
| Pinckney Trail Weekend | Pinckney, Michigan | 478 | 13,787 |
| Mora Half Marathon & 5K | Mora, Minnesota | 461 | 9,045 |
| 2026 Bar Harbor Bank & Trust Half Marathon and Fall 5K | Bar Harbor, Maine | 458 | 9,513 |
| Cook Forest Half Marathon & 5K | Cooksburg, Pennsylvania | 449 | 7,345 |
| Mistletoe Run | Winston Salem, North Carolina | 446 | 23,309 |
| Ludington Lakestride Half Marathon 10K and 5k | Ludington, Michigan | 446 | 10,476 |
| B&A Trail Marathon and Half Marathon | Severna Park, Maryland | 428 | 12,899 |
| 2026 Desert Classic Half Marathon & 5K January 24, 2026 | Glendale, Arizona | 408 | 6,274 |
| Newport Marathon and Half Marathon | Newport, Rhode Island | 405 | 36,852 |
| Battleship North Carolina Half 5K | Wilmington, North Carolina | 392 | 17,889 |
| Kona Marathon | Kailua Kona, Hawaii | 390 | 10,063 |
| Jack & Jill Marathon & Half | North Bend, Washington | 384 | 20,411 |
| Lake Placid Classic Half Marathon, 10K & 5K | Lake Placid, New York | 376 | 11,564 |
| Sun Capital Partners Boca PAL Half Marathon | Boca Raton, Florida | 373 | 5,702 |
| 2026 Marine Corps Half Marathon presented by FirstLight Home Care & USAA | Camp Lejeune, North Carolina | 368 | 12,506 |
| Quad Cities Distance Classic | Rock Island, Illinois | 352 | 6,643 |
| Sam Costa Half Marathon and Quarter Marathon - presented by Indy Runners and Walkers | Carmel, Indiana | 348 | 9,125 |
| ARC Races | Liverpool, New York | 339 | 5,177 |
| 36th Mill Creek Distance Classic Half Marathon & 5-Mile | Youngstown, Ohio | 325 | 7,046 |
| Huntsville Half & Quarter Marathon & 5K | Huntsville, Texas | 317 | 3,800 |
| Kenner's Ole Man River Half Marathon | Kenner, Louisiana | 303 | 9,496 |
| Vancouver Lake Half Marathon & 4 Mile Run | Vancouver, Washington | 292 | 7,092 |
| The Spokane Marathon | Spokane, Washington | 284 | 10,481 |
| White Mountain Milers Half Marathon | North Conway, New Hampshire | 281 | 8,037 |
| Strawberry Plains Half Marathon and 10K, Presented by Eddie's Health Shoppe | Strawberry Plains, Tennessee | 280 | 11,588 |
| Ocean Running Club's Seaside Half Marathon and 5K | Seaside Park, New Jersey | 270 | 9,926 |
| Star City Half Marathon & 10K | Roanoke, Virginia | 269 | 11,769 |
| Nittany Valley Half Marathon | State College, Pennsylvania | 259 | 10,581 |
| Tom Walker Half Marathon & 5k | Gainesville, Florida | 258 | 5,913 |
| Palm Desert 1/2 Marathon & 5K | Palm Desert, California | 253 | 15,013 |
| Hook Mountain Half Marathon & Rockland Lake 10K | Valley Cottage, New York | 235 | 6,032 |
| Louisville Marathon, Half Marathon and 10K | Louisville, Kentucky | 234 | 9,012 |
| Run Through Redlands | Redlands, California | 229 | 10,076 |
| Maple Leaf Half Marathon 5K | Manchester, Vermont | 225 | 7,271 |
| Mackinac Island Great Turtle Half Marathon & 5.7 Mile | Mackinac Island, Michigan | 198 | 17,425 |
| Cascade Half Marathon & 10K | Turner, Oregon | 187 | 8,496 |
| YMCA Maple Leaf Road Races | La Crosse, Wisconsin | 185 | 9,546 |
| Revenge of the Red Baron Half Marathon and 5K | Corning, New York | 184 | 3,525 |
| Keesler Federal Mississippi Gulf Coast Marathon | Biloxi, Mississippi | 178 | 27,229 |
| Skunk Cabbage Classic 10K & Half Marathon | Ithaca, New York | 176 | 11,128 |
| Yough River Trail Council Races | Connellsville, Pennsylvania | 175 | 1,125 |
| Run for the Schools | Iowa City, Iowa | 168 | 2,994 |
| Ocala Marathon | Ocala, Florida | 165 | 4,699 |
| Plymouth Run To The Rock | Plymouth, Massachusetts | 162 | 6,286 |
| Space Coast Marathon & Half Marathon | Cocoa, Florida | 160 | 76,441 |
| Hangover Half Marathon | Albany, New York | 146 | 4,434 |
| Rock Canyon Half Marathon- 40th Anniversary Run! | Pueblo, Colorado | 136 | 11,301 |
| Lincoln Memorial Half Marathon | Springfield, Illinois | 129 | 21,945 |
| Snow Joke Half Marathon | Seeley Lake, Montana | 129 | 10,048 |
| Colbert Autumn Classic Half Marathon & 4-Mile Loop | Colbert, Washington | 125 | 6,882 |
| Big Brothers Big Sisters of Flagstaff Dave McKay Memorial Half Marathon and 5K Run/Walk | Flagstaff, Arizona | 117 | 4,994 |
| Hancock Canal Run | Houghton, Michigan | 117 | 1,555 |
| Autumn Run | Buena Vista, Colorado | 117 | 3,225 |
| Rollin Irish Half Marathon | Essex, Vermont | 116 | 3,319 |
| Colchester Half Marathon | Colchester, Connecticut | 91 | 9,272 |
| 25th Annual Pocatello Marathon | Pocatello, Idaho | 90 | 5,487 |
| Community First Fox Cities Marathon presented by Miron Construction | Menasha, Wisconsin | 84 | 42,612 |
| Oak Ridge to Kingston Express Marathon & Half Marathon | Oak Ridge, Tennessee | 84 | 1,087 |
| The 33rd Annual Varmint Half Marathon & 5K | Burkes Garden, Virginia | 83 | 4,022 |
| Reuel Little Classic | Madill, Oklahoma | 82 | 929 |
| Mid-South Races for Hope (Mid-South Marathon, Half-Marathon and 5K) | Wynne, Arkansas | 79 | 4,043 |
| Mulberry Island Half Marathon | Fort Eustis, Virginia | 56 | 3,533 |
| Museum of Aviation Marathon, Half Marathon & 5K and Hand Cycle Race | Warner Robins, Georgia | 48 | 8,845 |
| Texas Sun Showdown Half Marathon, Relay & 5k | San Antonio, Texas | 40 | 2,560 |