- Educational Codeforces Round 1 (http://codeforces.me/contest/598)
- Educational Codeforces Round 2 (http://codeforces.me/contest/600)
- Educational Codeforces Round 3 (http://codeforces.me/contest/609)
- Educational Codeforces Round 4 (http://codeforces.me/contest/612)
- Educational Codeforces Round 5 (http://codeforces.me/contest/616)
- Educational Codeforces Round 6 (http://codeforces.me/contest/620)
- Educational Codeforces Round 7 (http://codeforces.me/contest/622)
- Educational Codeforces Round 8 (http://codeforces.me/contest/628)
- Educational Codeforces Round 9 (http://codeforces.me/contest/632)
- Educational Codeforces Round 10 (http://codeforces.me/contest/652)
- Educational Codeforces Round 11 (http://codeforces.me/contest/660)
- Educational Codeforces Round 12 (http://codeforces.me/contest/665)
- Educational Codeforces Round 13 (https://codeforces.me/contest/678)
- Educational Codeforces Round 14 (https://codeforces.me/contest/691)
- Educational Codeforces Round 15 (https://codeforces.me/contest/702)
- Educational Codeforces Round 16 (https://codeforces.me/contest/710)
- Educational Codeforces Round 17 (https://codeforces.me/contest/762)
Educational Codeforces Round 18 and laters are nicely organized in this blog (https://codeforces.me/harbourspace).
Special thanks to shahidul_brur for his kind update on this event.