| Business | Phone |
| Duluth Huskies Baseball Club 207 W Superior St # 206, Duluth 55802 | (218) 786-9909 |
| Duluth Softball Players Assoc 2132 W 3rd St, Duluth 55806 | (218) 722-5569 |
| Grandma's Marathon 351 Canal Park Dr, Duluth 55802 | (218) 727-0947 |
| North Shore Inline Marathon 525 S Lake Ave, Duluth 55802 | (218) 723-1503 |