Articles
How to run a 75-day challenge and finish it. The rules, the prep, the misses, and what the research on habits and streaks actually says.
Accountability: Witnesses, Partners, and Squads
Willpower is private. Accountability is watched. How witnesses, partners and squads change what you do — and the fake statistic to ignore.
- Why an Accountability Partner Doubles Your Odds 7 min
- Telling People Your Goals: When It Works and When It Backfires 7 min
75-Day Challenges Compared: Hard, Soft, and Your Own
75 Hard, 75 Soft, the informal middle versions, and custom pacts compared on workload, the failure rule, and who writes the rules you have to keep.
- 75 Hard vs 75 Soft: Which Challenge Fits You? 7 min
- 75 Hard vs Unbroken: Rules, Flexibility, and Witnesses 6 min
Getting Started: How to Begin a 75-Day Challenge
How to choose a 75-day challenge, prepare for it, and get through day one. Rules, prep work, mode selection, and what the first week costs you.
- How to Start 75 Hard: The Complete Prep Checklist 8 min
- Your First Week of a 75-Day Challenge: What to Expect 7 min
The Science of Habits, Streaks, and Discipline
What research says about habit formation, streaks and tracking: 66 days not 21, repetition in one context, and why records others can see work harder.
- How Long It Really Takes to Build a Habit (Not 21 Days) 7 min
- The Science of Streaks: Why "Don't Break the Chain" Works 7 min
Staying on Track: Misses, Restarts, Travel and Slumps
Most 75-day runs do not end in defeat. They end in a late Tuesday. How to survive misses, sickness, travel and the week-four slump.
- Missed a Day of 75 Hard? What the Restart Rule Really Means 7 min
- Sick During Your 75-Day Challenge: Push, Pause, or Restart? 6 min
The Rules: Every Task in a 75-Day Challenge
Every task in a 75-day challenge, what counts, and what does not. Workouts, water, diet, reading, photos, the midnight boundary, and the restart rule.
- The 75 Hard Rules, Explained Task by Task 7 min
- Drinking a Gallon of Water a Day: How to Actually Do It 8 min