Summer trail series with #adidasRunnersLA ☀️ 📍: Backbone Trail, Santa Monica Mountains California @shelbzzf Starting at Will Rogers Park and ending at Ray Miller Trailhead, the Backbone Trail has many entry points to customize your experience - 68 miles (109 km) of trails to be exact! Think you can beat Shelby’s time on the Backbone Trail? #adidasRunners 🎥: @ventiviews