Big Bear, CA, September 13, 2012- Rim Nordic Mountain Biking is offering all Big Bear Valley residents and visitors a free beginner cross-country race this Sunday, September 16th .  This is the last race of this season so register now for free at  This easy 2 mile trail is designed for ages 8 to 80 so don’t miss out on the fun this Sunday, races begin promptly at 8:30am.  All races are held directly across from Snow Valley Mountain Resort on Highway 18.  Register today on-line to for this Sunday’s free beginner’s cross-country race.