⏱️ Medium · 21 days
18-Hour Fast 21: 21-Day 18hr Fasting Accountability Challenge
Solo fasting apps track hours. This challenge adds a group that sees whether you held your window today.
Rules
- Fast at least 18 hours between meals
- Check in yes before breaking your fast
- Water, black coffee, and plain tea allowed during the fast
How it works
- Join 18-Hour Fast 21 and get matched to a fasting accountability group.
- Fast at least 18 hours between meals — water and plain tea or coffee are fine.
- Check in yes before you eat. Miss more than 2 days and you fail the challenge.
21 days of 18:6 intermittent fasting — finish your eating window, fast 18 hours, check in daily.
Your streak starts with today's check-in.
Bring someone with you
A pod of strangers works. A pod with someone who knows you works better.
Part of our 18hr Fasting accountability groups