Coderunner: Speedrun Coding Challenges – Can You Beat the Leaderboard?
Coderunner is live! 🚀 We're doing for coding challenges what speedrunning did for video games - timed attempts, public leaderboards, and the chase for the fastest correct solution.
How it works
- Visit https://coderunner-production-8e30.up.railway.app - no signup required to start
- Pick a timed coding challenge
- Solve it as fast as you can
- Watch the live leaderboard update in real-time
Why it's different
- No account barrier: Start coding immediately, no signup wall
- Speedrun format: Focus on fastest time, not just correctness
- Live competition: Leaderboard updates in real-time, watch others compete
- Free forever: All challenges free, no pro tier needed yet
The challenges
Our initial set covers:
- Algorithm manipulation tasks
- Data structure challenges
- Full-stack quick builds
- Logic puzzles with time limits
Each challenge is designed to be completed in 5-15 minutes, making it perfect for a quick coding session during a break or commute.
Join the race
Head to https://coderunner-production-8e30.up.railway.app and see where you rank. First 50 solvers get special recognition on the all-time leaderboard.
Coderunner is open source and built with Next.js 16, Postgres, and Auth.js. CI green on GitHub: siumsamuel2-bot/coderunner.
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