Indian River Chamber of Commerce
Run Michigan
Michigan Runner
Runner's World
Gault Race Management
Running in the USA
http://www.runningintheusa.com/
Everall Race Management
Top of Michigan Trails Council
The Outfitter
http://www.outfitterharborsprings.com/
Upper Peninsula Road Runners Club
Gary Cohen Running Site
http://www.garycohenrunning.com/
Marathon Guide
Keweenaw Trails
http://www.keweenawtrails.com/
Road Runners Club of America
Traverse City Track Club