WHAT THE HELL IS A TRAILFECTA? The Trailfecta Pass is the ultimate annual trail challenge — three epic races of increasing distance in a single year. Complete it, and you'll not only earn the most-coveted medal in the Trail world; you'll be fundamentally transformed inside and out. HOW IT WORKS To complete a Trailfecta, you must finish three races of increasing distance in a single year: Spartan Trail 10K Spartan Trail Half Marathon Spartan Trail 50K All of the US Spartan Trail races can be selected, including our Standalones events like San Jose Trail Classic and Golden Gate Trail Classic. See you at the start line!