| 500 Festival Running Events | Indianapolis, Indiana | 18,377 | 575,156 |
| Kentucky Derby Festival Race Weekend | Louisville, Kentucky | 5,778 | 206,065 |
| Beer City Half™ San Diego | San Diego, California | 4,708 | 128,176 |
| Life Time Chicago Half Marathon + 5K | Chicago, Illinois | 4,425 | 203,756 |
| WALT DISNEY WORLD® Marathon Weekend | Orlando, Florida | 3,533 | 307,376 |
| Carlsbad Marathon | Carlsbad, California | 3,340 | 126,888 |
| Rock ‘n’ Roll Philadelphia Half Marathon | Philadelphia, Pennsylvania | 3,300 | 213,691 |
| Long Beach Marathon | Long Beach, California | 2,666 | 180,701 |
| LONG ISLAND MARATHON FESTIVAL | East Meadow, New York | 2,665 | 113,892 |
| Georgetown To Idaho Springs Half Marathon | Georgetown, Colorado | 2,590 | 50,098 |
| NYRR Fred Lebow Manhattan Half-Marathon | New York, New York | 2,553 | 114,190 |
| Rock 'n' Roll Las Vegas | Las Vegas, Nevada | 2,411 | 254,263 |
| Grandma's Marathon | Duluth, Minnesota | 2,359 | 150,606 |
| DRC Half Marathon and 5K | Dallas, Texas | 1,945 | 41,242 |
| Covered Bridges Half Marathon | Pomfret, Vermont | 1,848 | 52,949 |
| The LESS Popular Brooklyn Half Marathon! | Brooklyn, New York | 1,665 | 368,586 |
| Pikes Peak Ascent | Manitou Springs, Colorado | 1,567 | 57,206 |
| NYCRUNS Queens Half-Marathon | College Point, New York | 1,533 | 120,834 |
| Fairfield Road Races | Fairfield, Connecticut | 1,518 | 58,521 |
| The Unforgettable Staten Island Half Marathon! | Staten Island, New York | 1,502 | 156,220 |
| New Bedford Half Marathon | New Bedford, Massachusetts | 1,393 | 52,428 |
| 3M Half Marathon | Austin, Texas | 1,375 | 101,136 |
| OUC Half Marathon | Orlando, Florida | 1,363 | 52,361 |
| Jack & Jill Marathon & Half | North Bend, Washington | 1,338 | 20,411 |
| Thanksgiving Distance Classic | Jacksonville, Florida | 1,259 | 39,259 |
| New Prague Half Marathon | New Prague, Minnesota | 1,187 | 15,292 |
| DEXTER-ANN ARBOR RUN | Ann Arbor, Michigan | 1,143 | 77,219 |
| Lincoln Marathon | Lincoln, Nebraska | 1,133 | 111,395 |
| Baystate Marathon | Lowell, Massachusetts | 1,126 | 32,225 |
| Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K | Hartford, Connecticut | 1,068 | 88,701 |
| Hospital Hill Run | Kansas City, Missouri | 1,034 | 62,743 |
| Rock 'n' Roll New Orleans | New Orleans, Louisiana | 997 | 121,033 |
| Big 5 Duke City Marathon | Albuquerque, New Mexico | 984 | 27,288 |
| Indy Half Marathon at Fort Ben | Lawrence, Indiana | 946 | 39,235 |
| Parkersburg News and Sentinel Half Marathon and Two Mile Race | Parkersburg, West Virginia | 941 | 18,336 |
| Humboldt Redwoods Marathon, Half Marathon, 5K | Weott, California | 925 | 14,310 |
| Community First Fox Cities Marathon | Menasha, Wisconsin | 870 | 42,612 |
| The Runners Den Scottsdale 1/2 Marathon & 5K | Scottsdale, Arizona | 862 | 22,620 |
| Liberty Waterfront Half Marathon and 5K Run | Jersey City, New Jersey | 855 | 42,231 |
| Barron Collier Companies Naples Half Marathon | Naples, Florida | 823 | 55,028 |
| Santa Barbara Half Marathon & 5K | Santa Barbara, California | 762 | 44,200 |
| Mercer Island Rotary Half Marathon | Mercer Island, Washington | 756 | 26,464 |
| Dayton River Corridor Classic | Dayton, Ohio | 676 | 25,027 |
| Coeur d'Alene Marathon | Coeur d'Alene, Idaho | 646 | 20,392 |
| Santa Clarita Marathon | Santa Clarita, California | 621 | 20,252 |
| Horsetooth Half Marathon | Fort Collins, Colorado | 615 | 50,382 |
| Hyannis Marathon | Hyannis, Massachusetts | 554 | 36,046 |
| Mora Half Marathon & 5K | Mora, Minnesota | 551 | 9,045 |
| Jacksonville Bank Marathon, Half Marathon | Jacksonville, Florida | 543 | 19,476 |
| Maine Marathon, Half Marathon and Marathon Relay | Portland, Maine | 537 | 66,256 |
| The Governor's Cup Road Race | Columbia, South Carolina | 532 | 12,863 |
| Lake Tahoe Marathon | South Lake Tahoe, California | 527 | 13,071 |
| South Shore Half Marathon | Milwaukee, Wisconsin | 521 | 14,645 |
| City to the Sea Half Marathon & 5K | San Luis Obispo, California | 520 | 24,766 |
| Mistletoe Run | Winston Salem, North Carolina | 518 | 23,309 |
| Pinckney Trail Weekend | Pinckney, Michigan | 508 | 13,787 |
| Ridgefield Pamby Half Marathon | Ridgefield, Connecticut | 461 | 10,367 |
| Sioux Falls Marathon | Sioux Falls, South Dakota | 426 | 29,331 |
| Cook Forest Half Marathon & 5K | Cooksburg, Pennsylvania | 419 | 7,345 |
| Ludington Lakestride Half Marathon 10K and 5k | Ludington, Michigan | 416 | 10,476 |
| Davis Stampede | Davis, California | 415 | 17,320 |
| MCRRC Riley's Rumble Half Marathon | Boyds, Maryland | 410 | 11,108 |
| E Murray Todd Half Marathon | Colts Neck, New Jersey | 403 | 13,194 |
| Bar Harbor Bank & Trust Half Marathon and Fall 5K | Bar Harbor, Maine | 399 | 9,513 |
| Strawberry Plains Half Marathon and 10K | Strawberry Plains, Tennessee | 393 | 11,588 |
| Quad Cities Distance Classic | Rock Island, Illinois | 388 | 6,643 |
| Sam Costa Half Marathon and Quarter Marathon | Carmel, Indiana | 384 | 9,125 |
| B&A Trail Marathon and Half Marathon | Severna Park, Maryland | 363 | 12,899 |
| Leaf Peepers Half Marathon | Waterbury, Vermont | 361 | 12,824 |
| 31st Annual Tom King Classic Half Marathon Run and 5K Run/Walk | Nashville, Tennessee | 348 | 16,841 |
| Erie Marathon | Erie, Pennsylvania | 316 | 6,395 |
| Maple Leaf Half Marathon | Manchester, Vermont | 308 | 7,271 |
| White Mountain Milers Half Marathon | North Conway, New Hampshire | 297 | 8,037 |
| Huntsville Half & Quarter Marathon & 5K | Huntsville, Texas | 295 | 3,800 |
| Kenner's Ole Man River Half Marathon | Kenner, Louisiana | 279 | 9,496 |
| Desert Classic Half Marathon & 5K January 24, 2026 | Glendale, Arizona | 277 | 6,274 |
| Greater Buffalo Track Club Grand Island Half Marathon | Grand Island, New York | 274 | 9,228 |
| Vancouver Lake Half Marathon & 4 Mile Run | Vancouver, Washington | 258 | 7,092 |
| Nittany Valley Half Marathon | State College, Pennsylvania | 256 | 10,581 |
| Louisville Marathon, Half Marathon and 10K | Louisville, Kentucky | 254 | 9,436 |
| Holiday Half Marathon / 8K | Point Clear, Alabama | 240 | 3,946 |
| Tom Walker Half Marathon & 5k | Gainesville, Florida | 216 | 5,913 |
| Run Through Redlands | Redlands, California | 212 | 10,080 |
| Nisene Marks Marathon, Half Marathon, and 5K | Aptos, California | 211 | 2,628 |
| Mackinac Island Great Turtle Half Marathon & 5.7 Mile | Mackinac Island, Michigan | 210 | 17,425 |
| 36th Mill Creek Distance Classic Half Marathon & 5-Mile | Youngstown, Ohio | 208 | 7,046 |
| Hook Mountain Half Marathon & Rockland Lake 10K | Valley Cottage, New York | 208 | 6,032 |
| Run for the Schools | Iowa City, Iowa | 205 | 2,994 |
| Keesler Federal Mississippi Gulf Coast Marathon | Biloxi, Mississippi | 201 | 27,229 |
| Plymouth Run To The Rock | Plymouth, Massachusetts | 181 | 6,286 |
| Skagit Flats Marathon, Half & 5k | Burlington, Washington | 168 | 5,841 |
| Journey's Marathon | Eagle River, Wisconsin | 165 | 6,547 |
| Space Coast Marathon & Half Marathon | Cocoa, Florida | 159 | 76,441 |
| Rock Canyon Half Marathon- 40th Anniversary Run! | Pueblo, Colorado | 158 | 11,301 |
| Kona Marathon | Kailua Kona, Hawaii | 140 | 10,063 |
| Tallahassee Marathon and Half Marathon | Tallahassee, Florida | 129 | 19,234 |
| Skunk Cabbage Classic 10K & Half Marathon | Ithaca, New York | 129 | 11,128 |
| Snow Joke Half Marathon | Seeley Lake, Montana | 127 | 10,048 |
| Lincoln Memorial Half Marathon | Springfield, Illinois | 116 | 23,509 |
| Hurricane Half & 5K | Hurricane, Utah | 116 | 2,633 |
| The 33rd Annual Varmint Half Marathon & 5K | Burkes Garden, Virginia | 98 | 4,022 |
| Monson Memorial Classic Half Marathon & 5K | Monson, Massachusetts | 95 | 4,086 |
| Val Nolasco Half Marathon | Honolulu, Hawaii | 87 | 20,074 |
| Big Brothers Big Sisters of Flagstaff Dave McKay Memorial Half Marathon and 5K Run/Walk | Flagstaff, Arizona | 68 | 4,994 |
| Montana Marathon | Billings, Montana | 60 | 7,422 |
| Trent Waldron Glacier Half Marathon | Anchorage, Alaska | 40 | 3,815 |
| Dixville 1/2 Marathon | Colebrook, New Hampshire | 40 | 829 |