If you're looking for expert winter running tips, you can't do better than Boston Marathon winner Amby Burfoot. His tips are summarized in an excellent infographic.
Winter Running Tips: How to Run in Cold Weather
How to Run in Winter – 13 Tips for Running in the Cold
How To Run Your First Ultra Marathon
Boston Marathon Route Mile by Mile, Course Map
Marathon Winner's Winter Running Tips
Tips to Keep Your Lungs Healthy While Exercising in the Cold
Tigist Assefa and her £400 single-use Adidas super shoe rocks
How to Run in Winter – 13 Tips for Running in the Cold
Bracing racing: Runners brave cold, snow in Twin Cities
Winter Hal Higdon
Irving Frost Half Marathon Irving Marathon Running Series, Marathon, Half Marathon, 10K & 5K in Irving, TX @ Toyota Music Factory
Top 11 Winter Running Tips for Every Runner, by Adam Dipinto, Runner's Life
Winter Running Motivation: 10 Tips from a Coach