Northern California's best kept trail running secret: the Loco Go Big or Go Home Challenge! Fresh mountain air & gorgeous forest to run through. Enjoy some good hill challenges and amazig aid stations. Camping at the start/finish line or paid camping & cabins with amenities within 1 mile. Delicious post race meal included in registration. Dog friendly, family friendly, unique swag & friendly, professional event staff. 6 distances to choose from; 5KBEER5K, 10k, Half Marathon, 50k, 100k, 100 miler.