Spartan on Instagram: "Make history at the first-ever Spartan 10K Super World Championship in less than 90 days and race against the best athletes in the world at the iconic Mammoth Mountain Ski Area, California. 🏆 2025 Spartan Super World Championship 🇺🇸 Mammoth Lakes, California 📆 October 4-5, 2025 ⛰️ The ultimate high-altitude race (7,900 ft) in the Sierra Nevada Mountains 🔴 🔵 🟢 Compete in the Championship heat, or tackle a Sprint, Super, or Beast during this action-packed Trifecta wee