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    • Home
    • Spaulding Woods 50K
    • RMM Training Series
    • Hydration
    • Runner Reviews
    • Photo Gallery
    • About
  • Home
  • Spaulding Woods 50K
  • RMM Training Series
  • Hydration
  • Runner Reviews
  • Photo Gallery
  • About

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For Best Results with the Calculator

  • Weigh yourself nude before and after the run. Clothing holds sweat and throws off accuracy.
  • Towel off sweat before your post-run weigh-in.
  • Avoid consuming food or calories — only water, electrolytes, or sports drink.
  • Minimum run time: 45 minutes. Ideal duration: 1.5 to 2.5 hours.
  • Note pee breaks during the run (you’ll enter this for accuracy).
  • Run in a typical race-like effort or training condition.
  • Try this multiple times in different weather to spot patterns and refine your plan.

Fuel Like a Pro

Formula369 Powers the Spaulding Woods 50K

 Proud to partner with Formula369, our official hydration sponsor of the Spaulding Woods 50K! Their clean, high‑carbohydrate sports mixes help racers push further with reliable energy and electrolytes. Fuel you can trust, mile after mile. 

Why We Love Formula369

 Formula 369 keeps it simple and effective. With 30 grams of carbs per scoop, you can mix as much or as little as needed in your bottles. Want a high-powered combo? Try two scoops of Formula369 with one scoop of Formula369 w/ Caffeine and Electrolyte Booster for the ultimate mix. You can check out their products at www.formula369.com

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