Ultra Running Events by State
| State | Active Events | Inactive Events |
|---|---|---|
| Alabama | 43 | 21 |
| Alaska | 27 | 12 |
| Arizona | 61 | 35 |
| Arkansas | 30 | 11 |
| California | 223 | 348 |
| Colorado | 106 | 68 |
| Connecticut | 29 | 11 |
| Delaware | 7 | 4 |
| District of Columbia | 1 | 3 |
| Florida | 117 | 70 |
| Georgia | 92 | 81 |
| Hawaii | 13 | 17 |
| Idaho | 33 | 28 |
| Illinois | 68 | 37 |
| Indiana | 32 | 22 |
| Iowa | 30 | 10 |
| Kansas | 47 | 22 |
| Kentucky | 33 | 24 |
| Louisiana | 16 | 20 |
| Maine | 20 | 11 |
| Maryland | 34 | 17 |
| Massachusetts | 36 | 35 |
| Michigan | 48 | 29 |
| Minnesota | 37 | 12 |
| Mississippi | 14 | 8 |
| Missouri | 52 | 29 |
| Montana | 32 | 15 |
| Nebraska | 15 | 8 |
| Nevada | 25 | 32 |
| New Hampshire | 16 | 11 |
| New Jersey | 49 | 39 |
| New Mexico | 28 | 25 |
| New York | 93 | 86 |
| North Carolina | 104 | 86 |
| North Dakota | 4 | 4 |
| Ohio | 90 | 54 |
| Oklahoma | 30 | 16 |
| Oregon | 62 | 46 |
| Pennsylvania | 96 | 51 |
| Rhode Island | 7 | 5 |
| South Carolina | 53 | 50 |
| South Dakota | 8 | 6 |
| Tennessee | 72 | 40 |
| Texas | 167 | 100 |
| Utah | 76 | 27 |
| Vermont | 19 | 16 |
| Virginia | 97 | 54 |
| Washington | 123 | 95 |
| West Virginia | 27 | 12 |
| Wisconsin | 59 | 28 |
| Wyoming | 18 | 10 |
Ultra Running Events in Canada
| State | Active Events | Inactive Events |
|---|---|---|
| Alberta | 24 | 18 |
| British Columbia | 37 | 35 |
| Manitoba | 9 | 6 |
| New Brunswick | 6 | 2 |
| Newfoundland | 7 | 4 |
| Nova Scotia | 7 | 1 |
| Ontario | 42 | 36 |
| Prince Edward Island | 1 | 1 |
| Quebec | 22 | 17 |
| Saskatchewan | 3 | 1 |
| Yukon | 4 | 1 |