Ultra Running Events by State
| State | Active Events | Inactive Events |
|---|---|---|
| Alabama | 37 | 17 |
| Alaska | 22 | 11 |
| Arizona | 55 | 31 |
| Arkansas | 23 | 9 |
| California | 213 | 316 |
| Colorado | 96 | 59 |
| Connecticut | 27 | 11 |
| Delaware | 4 | 4 |
| District of Columbia | 2 | 2 |
| Florida | 97 | 61 |
| Georgia | 82 | 73 |
| Hawaii | 11 | 15 |
| Idaho | 29 | 26 |
| Illinois | 54 | 29 |
| Indiana | 28 | 20 |
| Iowa | 25 | 10 |
| Kansas | 44 | 21 |
| Kentucky | 27 | 19 |
| Louisiana | 13 | 19 |
| Maine | 17 | 10 |
| Maryland | 33 | 13 |
| Massachusetts | 30 | 33 |
| Michigan | 45 | 25 |
| Minnesota | 30 | 10 |
| Mississippi | 12 | 7 |
| Missouri | 41 | 24 |
| Montana | 27 | 13 |
| Nebraska | 9 | 8 |
| Nevada | 19 | 31 |
| New Hampshire | 16 | 9 |
| New Jersey | 44 | 35 |
| New Mexico | 29 | 22 |
| New York | 82 | 75 |
| North Carolina | 95 | 73 |
| North Dakota | 3 | 5 |
| Ohio | 89 | 46 |
| Oklahoma | 21 | 15 |
| Oregon | 57 | 41 |
| Pennsylvania | 73 | 43 |
| Rhode Island | 6 | 4 |
| South Carolina | 51 | 43 |
| South Dakota | 7 | 5 |
| Tennessee | 67 | 31 |
| Texas | 126 | 88 |
| Utah | 68 | 23 |
| Vermont | 18 | 15 |
| Virginia | 89 | 43 |
| Washington | 112 | 79 |
| West Virginia | 26 | 12 |
| Wisconsin | 51 | 25 |
| Wyoming | 12 | 9 |
Ultra Running Events in Canada
| State | Active Events | Inactive Events |
|---|---|---|
| Alberta | 23 | 15 |
| British Columbia | 37 | 30 |
| Manitoba | 8 | 6 |
| New Brunswick | 0 | 1 |
| Newfoundland | 5 | 4 |
| Nova Scotia | 2 | 1 |
| Ontario | 27 | 37 |
| Prince Edward Island | 1 | 1 |
| Quebec | 14 | 16 |
| Saskatchewan | 2 | 1 |
| Yukon | 4 | 1 |
