Ultrarunner.net
The UltraRunning link for U.S.
| Michigan | |
| Ann Arbor Track Club | Ann Arbor |
| BBC Striders | Belleville |
| Battle Creek Road Runners | Battle Creek |
| Bay Area Runners Club | Bay City |
| Crim Festival Races, Inc. | Flint |
| Downriver Runners | Allen Park |
| Durand Road Runners Club | Byron |
| Grand Rapids FrontRunners | Grand Rapids |
| Island Road Runners | Southgate |
| Kalamazoo Track Club | Kalamazoo |
| Michigan Running Club | Ann Arbor |
| Michigan Running Foundation | Livonia |
| Motor City Striders | Huntington Wds |
| Mt Pleasant Striders | Mt Pleasant |
| Petoskey Running Club | Petoskey |
| Petoskey Running club | Petoskey |
| Riverbend Striders | Flushing |
| Stoney Creek Running Club | Clinton Twp |
| Traverse City Track Club | Traverse City |
| Griff's Track Club | Ypsilanti |