CANCELLED: 4MPH Challenge Backyard Ultra | Up to 12.5 miles, Up to 37.5 miles, Up to 100 miles, Unlimited
Get Out, Get Moving.
Adventure awaits! Get off the road and take to the trails. Immerse yourself into the wilderness and never look back.
Join the STR Racing Team. Expand your skills and take your love for the trails to new heights.
Volunteering is what makes it all possible. Connect with the trail community, embrace trail racing and give back!
WHY WE RUN
“I did my first official 50k! This course was crazy tough but fun. Pushed my mental and physical capabilities. I got to see all 4 waterfalls in one day. There was so much beauty to behold.”
– Abby Clester
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Noteworthy stories, Running Tips, & the Latest From Shasta Trails
Few ultras are held in urban environments; the vast majority of routes run through natural settings where the scenery helps inspire you across the distance. Although many runners have a deep affection for wilderness, they are not necessarily versed in what it’s like...
If you’re anything like me, you’ve been waiting for the summer trail-running season pretty much since the first snow fell last November. All winter, you’ve been planning out your season, choosing goal races, entering lotteries. But how many races is too many? And how...