Choose from four separate distances and join SAR at the TMC A-Mountain Half-Marathon, Tucson's biggest fall running party. After the race, enjoy a post-race party with a concert at the MSA Annex featuring Tucson's own Barnaby and the Butcher, plus a vendor expo, including discounted drinks at Westbound, food trucks, kids activities, snacks from Natural Grocers and TMC, post-race hydration from Skratch Labs, and more.