Ultra Running Events by State
| State | Active Events | Inactive Events |
|---|---|---|
| Alabama | 43 | 21 |
| Alaska | 25 | 12 |
| Arizona | 61 | 35 |
| Arkansas | 29 | 11 |
| California | 221 | 347 |
| Colorado | 105 | 67 |
| Connecticut | 29 | 11 |
| Delaware | 7 | 4 |
| District of Columbia | 1 | 3 |
| Florida | 113 | 70 |
| Georgia | 90 | 81 |
| Hawaii | 13 | 17 |
| Idaho | 31 | 28 |
| Illinois | 64 | 37 |
| Indiana | 31 | 22 |
| Iowa | 30 | 10 |
| Kansas | 47 | 22 |
| Kentucky | 32 | 24 |
| Louisiana | 16 | 20 |
| Maine | 19 | 11 |
| Maryland | 33 | 17 |
| Massachusetts | 36 | 35 |
| Michigan | 48 | 29 |
| Minnesota | 35 | 12 |
| Mississippi | 14 | 8 |
| Missouri | 49 | 29 |
| Montana | 31 | 15 |
| Nebraska | 15 | 8 |
| Nevada | 24 | 32 |
| New Hampshire | 16 | 11 |
| New Jersey | 47 | 39 |
| New Mexico | 28 | 25 |
| New York | 90 | 86 |
| North Carolina | 102 | 87 |
| North Dakota | 4 | 4 |
| Ohio | 89 | 55 |
| Oklahoma | 29 | 16 |
| Oregon | 62 | 45 |
| Pennsylvania | 95 | 51 |
| Rhode Island | 6 | 5 |
| South Carolina | 54 | 49 |
| South Dakota | 8 | 6 |
| Tennessee | 70 | 40 |
| Texas | 161 | 99 |
| Utah | 76 | 27 |
| Vermont | 19 | 16 |
| Virginia | 94 | 54 |
| Washington | 118 | 94 |
| West Virginia | 27 | 12 |
| Wisconsin | 58 | 28 |
| Wyoming | 17 | 10 |
Ultra Running Events in Canada
| State | Active Events | Inactive Events |
|---|---|---|
| Alberta | 24 | 18 |
| British Columbia | 39 | 34 |
| Manitoba | 9 | 6 |
| New Brunswick | 5 | 2 |
| Newfoundland | 7 | 4 |
| Nova Scotia | 6 | 1 |
| Ontario | 40 | 36 |
| Prince Edward Island | 1 | 1 |
| Quebec | 22 | 17 |
| Saskatchewan | 3 | 1 |
| Yukon | 4 | 1 |