![Matthew Grymek Peopleoutdoors Moat Range Har P](https://www.outdoors.org/wp-content/uploads/2021/08/Matthew_Grymek_PeopleOutdoors_Moat_Range_HAR-P.jpg)
![Matthew Grymek Peopleoutdoors Moat Range Har P](https://www.outdoors.org/wp-content/uploads/2021/08/Matthew_Grymek_PeopleOutdoors_Moat_Range_HAR-P.jpg)
Trail running has experienced a boom in recent years. According to the American Trail Running Association, the number of Americans who tried trail running doubled between 2007 and 2017 to 3 million. Participation in ultramarathons—defined…
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