Home Exercise & Fitness News What Is the 75 Hard Challenge? All About the Strict Fitness Program... Exercise & Fitness News What Is the 75 Hard Challenge? All About the Strict Fitness Program (and the Dangers That May Come with It) – People.com By Exercise Tips - July 11, 2025 70 0 Facebook Twitter Pinterest WhatsApp What Is the 75 Hard Challenge? All About the Strict Fitness Program (and the Dangers That May Come with It) People.com Brought to you by Google News. Read the rest of the article here. Facebook Twitter Pinterest