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 10th. 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 40 miler will have 5 full aid stations and…