Altra and Spartan have announced a new partnership that makes Altra the “Presenting Partner of Spartan Trail” and “Official Shoe of Spartan Trail.” The deal, which will run through the 2019 Spartan Trail season, includes on-site branding and activations at events across the U.S. As part of the collaboration, Altra will also present a series of “Run and Talk” events with a roster of trail running celebrities at local running specialty stores.