Ultra Running Events by State
| State | Active Events | Inactive Events |
|---|---|---|
| Alabama | 38 | 18 |
| Alaska | 21 | 12 |
| Arizona | 56 | 33 |
| Arkansas | 24 | 10 |
| California | 220 | 328 |
| Colorado | 94 | 65 |
| Connecticut | 27 | 12 |
| Delaware | 7 | 4 |
| District of Columbia | 1 | 2 |
| Florida | 99 | 69 |
| Georgia | 83 | 77 |
| Hawaii | 13 | 15 |
| Idaho | 29 | 28 |
| Illinois | 58 | 33 |
| Indiana | 29 | 22 |
| Iowa | 27 | 10 |
| Kansas | 45 | 21 |
| Kentucky | 31 | 21 |
| Louisiana | 14 | 20 |
| Maine | 18 | 10 |
| Maryland | 29 | 17 |
| Massachusetts | 35 | 33 |
| Michigan | 43 | 29 |
| Minnesota | 32 | 11 |
| Mississippi | 13 | 7 |
| Missouri | 40 | 28 |
| Montana | 28 | 15 |
| Nebraska | 10 | 8 |
| Nevada | 21 | 32 |
| New Hampshire | 14 | 11 |
| New Jersey | 45 | 36 |
| New Mexico | 29 | 23 |
| New York | 80 | 85 |
| North Carolina | 99 | 76 |
| North Dakota | 3 | 5 |
| Ohio | 81 | 55 |
| Oklahoma | 24 | 15 |
| Oregon | 55 | 46 |
| Pennsylvania | 73 | 47 |
| Rhode Island | 6 | 4 |
| South Carolina | 52 | 45 |
| South Dakota | 6 | 6 |
| Tennessee | 64 | 36 |
| Texas | 132 | 97 |
| Utah | 64 | 27 |
| Vermont | 17 | 17 |
| Virginia | 88 | 52 |
| Washington | 105 | 88 |
| West Virginia | 26 | 12 |
| Wisconsin | 51 | 28 |
| Wyoming | 15 | 10 |
Ultra Running Events in Canada
| State | Active Events | Inactive Events |
|---|---|---|
| Alberta | 25 | 16 |
| British Columbia | 39 | 31 |
| Manitoba | 8 | 6 |
| New Brunswick | 4 | 1 |
| Newfoundland | 6 | 4 |
| Nova Scotia | 2 | 1 |
| Ontario | 33 | 37 |
| Prince Edward Island | 1 | 1 |
| Quebec | 19 | 16 |
| Saskatchewan | 3 | 1 |
| Yukon | 4 | 1 |
