Spartan Race Ultra Beast 2 - Practical Advice Spartan Race Ultra Beast 2 - Practical Advice 2017. Mack and Damer of OCR Kings have decided to take on the Ultra Beast. Check out Mack's practical advice, tips on nutrition, foot care, and training for any race or OCR, not just the Spartan Ultra Beast. www.youtube.com/ocrkings Foot care: Trail Toes, Leukotape P Nutrition: Clif Bar, Gu Peanut Butter Gels (non caffeinated), Stinger Honey Waffles (Chocolate and Caramel), Tailwind Nutrition Endurance Fuel Gear: DolfinPack Sports Hydration Pack