The 25 Best Half Marathons in the United States

Ali Nolan is the author of Master the Marathon: The Ultimate Training Guide for Women. She is the former features editor for Runner’s World and has written for Women’s Running, Self, Sport Literate, and Livestrong. Ali has been featured as a running expert on Good Morning America with Amy Robach, as well as the podcasts 8020 Endurance, I'll Have Another with Lindsey Hein, and Greenletes.

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