Spartan on Instagram: "Spartan Doubles just completed its first on-course test at the Central Florida Trifecta Weekend. What would you like to see from Spartan Doubles in 2026? Spartan Doubles is the new way to race with a friend. Start and finish side by side, share the challenge, and split the obstacles. Here’s everything you need to know about rules, regulations, and registration guidelines. https://sprtn.im/4o9zL98"