It’s well-known by now that the Peterson Ridge Rumble is the perfect kick off to spring trail racing. The Sisters run known for it’s singletrack, good distance options, dog-friendly, socks, and burritos is back again on Sunday, April 2nd. See our recap of the 2015 Peterson Ridge Rumble Starting and ending at the Sisters Middle School, the course is mostly trail with a few sections of dirt road and views of the mountains along the way. The…