100 Exercises in 100 Minutes
Welcome to the coding exercise marathon. Pick a language and test your muscle memory.
Choose Your Exercise Marathon
HTML Exercise Marathon100 HTML challengesCSS Exercise Marathon100 CSS challengesJS Exercise Marathon100 JS challengesReact Exercise Marathon100 React challengesPython Exercise Marathon100 Python challengesNumPy Exercise Marathon100 NumPy challengesPandas Exercise Marathon100 Pandas challengesSciPy Exercise Marathon100 SciPy challengesGit Exercise Marathon100 Git challengesTS Exercise Marathon100 TS challengesAngular Exercise Marathon100 Angular challengesSQL Exercise Marathon100 SQL challengesNode Exercise Marathon100 Node challengesVue Exercise Marathon100 Vue challenges
Frequently Asked Questions
How does the Interactive Journey work?
Our engine provides real-time, interactive coding challenges. You read the instructions on the right, write your code in the editor on the left, and click 'Run Code'. The system automatically validates your solution and awards XP upon success.
Are the 100-in-100 marathons free?
Yes! All our 100-in-100 programming marathons (like HTML, CSS, and JavaScript) are completely free. They are specifically designed to boost your muscle memory through rapid, repetitive practice.
Can I track my progress?
Absolutely. Once you create a free account, you can save your XP, track your completed exercises, and unlock achievements across all our courses and tutorials.