Trek Dirt Series Mountain Bike Camps are returning to the Methow for 2016. The program includes skill development sessions in the mornings, small group instructional rides in the afternoon. Be sure to sign up soon! The Winthrop camp is May 14-15 this year so you will have a chance to apply all those new skills throughout the summer riding season. Also new this year, the camp is Co-ed so the guys can learn some new skills as well.oons, and bike maintenance clinics, food, and drinks in the evening. Skills covered range from basic front wheel lifts and switchback turns to technical climbs, descents, and drops.