Event Description Spartan Trail is a no-obstacles foot race through rugged wilderness, overseen by legendary race directors from the world of trail running.Event details and schedule Event Location & Accomodations Trending Events M2M - Marathon 2 Marathon - October 25, 2025 / no refunds or deferments but you can transfer to another person A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA Doggie Dash 5k