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Director, producer and Greensboro native Rebecca Byerly is in the process of making a documentary, “Women of the Mountain,” that follows three women as they complete ultra-marathons.

Byerly is in the film and visited FOX8 recently.

She is preparing for a grueling 200-mile run in California in September and talked to FOX8’s Danny Harnden recently about what it takes to go the distance.

In this edition of FOX8 Fit, see just how hard she trains for these amazing ultra-marathons.