About ContestRadar

The Codeforces contest tracker with real-time API data, notifications, and analytics.

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Our Mission

At ContestRadar, we believe every competitive programmer deserves to stay informed about Codeforces contests in real-time without checking multiple sites. We use the official Codeforces API to provide accurate, up-to-date contest information with intelligent notifications and reminders.

What We Offer

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Real-time Notifications

Get notified exactly when new contests are announced or schedules change

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Codeforces Analytics

View statistics about upcoming contests, active contests, and trends

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Smart Reminders

Set custom reminders 1 hour, 30 minutes, or 15 minutes before contests

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Mobile Friendly

Access your contest schedule on any device, anywhere, anytime

Data Source

Codeforces API

Real-time data from official API - Div. 1, Div. 2, Div. 3, Div. 4, Educational Rounds, and more

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About the Team

ContestRadar is built by competitive programmers, for competitive programmers. We're a passionate team who understands the challenges of staying updated with the rapidly growing competitive programming ecosystem.

Our goal is to make this platform free and accessible to everyone in the competitive programming community. Whether you're a beginner just starting your journey or a seasoned competitor, we're here to help you never miss a contest.

Frequently Asked Questions

Is ContestRadar completely free?▼

Yes! ContestRadar is 100% free to use. We may introduce premium features in the future, but core functionality will always remain free.

How accurate are the contest details?▼

We use the official Codeforces API, which updates in real-time. Usually updates appear within minutes of official announcements.

Does ContestRadar support other platforms besides Codeforces?▼

We focus exclusively on Codeforces. Other platforms like AtCoder and LeetCode don't have reliable public APIs for contest tracking.

What does "remind me" feature do?▼

When you click "Remind Me" on a contest, you'll be prompted to subscribe. You can configure alerts at specific times before contests start (1h, 30min, etc.).

Get in Touch

Have Questions?

We'd love to hear from you. Whether you have suggestions, bug reports, or just want to say hello!

✉️ Email 📝 Contact Form

🚀Launching new features regularly

💬Active community support

❤️Built by programmers, for programmers

Last updated: December 2025

Made with ❤️ and lots of ☕