Are you passionate about self-improvement? Eager to change your habits, have tried to do so many times, but had difficulties changing them? Life always seems to get in the way, there is not enough support and you feel like you’re alone in it? Find yourself thinking “What’s the use of all this self-improvement if I always seem to go back to where I started from?”

Don’t worry! We’ve got you covered. For now, think of one habit, acquiring which will make the most powerful positive impact on your life. Keep reading to learn how you can finally make that change!

Welcome to the #100DaysOfX Challenges, where X is the habit you want to acquire

P.S. Subscribe to the YouTube Channel above to get more news/updates on the #100DaysOfX challenges as well as information and ideas on changing your life! :)

Scroll down to see a grid with challenges!

X can be anything, such as Meditation, Writing, Art, Music, etc. For the growing list of challenges visit the Challenges page.

The inspiration behind the #100DaysOfX is my ever-growing interest in the workings of the mind, habit formation and neuroscience, as well as the success of the #100DaysOfCode challenge which proved that the specific rules designed for it and public accountability really do work. #100DaysOfX makes use of all we’ve learnt about effective strategies of habit change and improvement in the #100DaysOfCode. It has proved these principles time and time again.

The Way it Works

It’s super simple – You choose what habit you want to work on, and commit to working on it in some way for the next 100 days, while holding yourself publicly accountable by tweeting daily updates using the hashtags.

This site is where you can learn the rules, get answers to your questions by reading the FAQ, and find out more about the community that’s growing around the challenges.

Two Main Rules For the Challenges

Most of the challenges fall under the category of 3 main rules:

  1. Work on your habit for minimum an hour every day for the next 100 days*
  2. Tweet your progress every day with the #100DaysOfX hashtag and the hashtag of your chosen challenge
  3. Encourage/help at least 2 people in the challenge every day

*Note that everybody’s situation is different. You can adjust the rules for your challenge to fit your life and responsibilities. The most common adjustment people make is changing the daily minimum of time for the habit. For more information on how to adjust the rules, read the Challenges page.

How to use this site

  1. Read a bit about more the challenges on this page
  2. View a list of challenges here, choose one and announce your commitment to it
  3. Follow the steps to get set up for success
  4. If you have some questions (even if you don’t!), read the FAQ
  5. Help us reach more people and change their lives for the better by spreading the word - anywhere you like: friends, Instagram, etc. :) All help is greatly appreciated!

IMPORTANT: Challenge Rules May Vary

Sometimes, depending on the challenge, rules will be a bit different. For example, if you are doing #100DaysOfInstagram, the rule would change from spending an hour a day to, let’s say, posting a photo or 2-3 daily for the next 100 Days. For Meditation, it’s probably 15 minutes a day, not the whole hour, etc. You will find more challenge specific information on the Challenges page.

The goal is to develop consistency and not to hit a certain number/result set by someone else. When wind blows, the philosophy is to be a tree that bends, not a rigid tree that breaks. Feel free to modify rules as you see fit before you start the challenge. See more on the Steps page.

Learn more about the specific challenge rules


The R in the daily update (e.g. R1D2) stands for Round. What are these rounds?

The habits in the #100DaysOfX are not what is usually recommended: we are not ‘trying’ (explicitly) to acquire habits for our whole life, but instead we we are working on habits in 100 Day Rounds, where we have time to plan ahead of them and time to analyze our results. That way, our brain is not scared of the ‘indefiniteness’ of the change, strain and challenge - it knows when the pressure is going to end. Based on the results people have experienced in finishing the #100DaysOfCode - the habits do stay with them after the challenge round as well. It’s a different way to think about habits and I think you are going to enjoy this approach way more than the regular one. For more info on Rounds, check out the FAQ and search for the word ‘round’.

For a list of a growing list of challenges and recommended rules (which you can modify if needed), read the Challenges page.

Publicly commit to any of the challenges:

If you made the decision to commit to the challenge, Click here to tweet it to the world, making yourself accountable and taking your resolve to the next level!

Change X to the challenge you’re committing to when tweeting out your commitment! Change YOURCHALLENGE in the template to the hashtag of the challenge you’ve decided to take on.

Tweet to commit to the challenge!

A Bit of History:

Some time after the creation and the success of the #100DaysOfCode challenge which has helped many people learn to code and improve their skills and as created a global community around the challenge, I’ve had an idea of creating a framework of challenges that are structured in a similar way, so that more people could benefit from them and change their habits and lives.

Check Out the #100DaysOfCode

Here’s the link to the official website.

Questions? Ideas?

If you have any questions or ideas about 100DaysOfX Challenges (or other ideas), feel free to reach out to me on Twitter: @ka11away

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