Codeforces Round #547 (Div. 3) starts in ~5 hours. Please, join by the link https://codeforces.com/contests/1141

Codeforces Round #548 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1139

Educational Codeforces Round 62 (rated for Div.2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1140

Codeforces Round 549 (Div. 1 + Div. 2) starts in ~4.5 hours. Please, join by the link https://codeforces.com/contests/1142,1143

As a reminder: the top 12 participants of the Div. 1 round, who are current ICPC world finalists, will be gifted with branded Codeforces hats.

— MikeMirzayanov

Codeforces Round 550 (Div. 3) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1144

ICPC World Finals 2019 will begin in ~2.5 hours. This event is the main event of the year in the world of sports programming!

Cheer for the teams and discuss the results by the link https://codeforces.com/blog/entry/66365

Codeforces Global Round 2 starts in ~2.5 hours. 50 t-shirts are in prizes! Please, join by the link https://codeforces.com/contests/1119

Codeforces Round 551 (Div. 2) starts in ~1,5 hour. Please, join by the link: https://codeforces.com/contests/1153

Codeforces Round 552 (Div. 3) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1154

Codeforces Round 553 (Div. 2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1151

Forethought Future Cup - Elimination Round will begin in 3.5 hours! It is rated and open for everyone (regardless of a division)!

Forethought presents gifts for participants: 25 shirts will be randomly awarded to contestants in this round with ranks 1 to 250

Please, join by the link - https://codeforces.com/contests/1146

Educational Codeforces Round 63 (rated for Div.2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1155

Codeforces Round 554 (Div. 2) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1152

Codeforces Round 555 (Div. 3) starts in ~3 hours. Please, join by the link
https://codeforces.com/contests/1157

Codeforces Round 556 (Div. 1 + Div. 2) starts in ~3 hours. Please, join by the link https://codeforces.com/contests/1149,1150

VRt Contest 2019 (marathon) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1160

⚡️UPD⚡️
This is not an ordinary round, but a marathon. The contest is unrated and contains a single optimization problem for 2 weeks.

Also VeeRoute presents gifts for participants: top 25 participants will get a VRt T-shirt and the money prizes:
I place — 75 000 RUB (1155 USD)
II place — 50 000 RUB (770 USD)
III place — 25 000 RUB (385 USD)

Educational Codeforces Round 64 (rated for Div.2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1156

Also Harbour. Space is pleased to announce a special online test for high school students to take place on May 5th at 15.00 CET Time. Prize: a full tuition waiver to attend the advanced level of the Advanced Technical Track of Tech Scouts (Barcelona).
For more information: https://codeforces.com/blog/entry/66766

Codeforces Round 557 (Div. 1 + Div. 2) [based on Forethought Future Cup - Final Round] starts in ~3.5 hours.

The round is open and rated for everybody, regardless of a division and/or participation in the Elimination Round. We will be glad to see you among the participants!

Please, join by the link https://codeforces.com/contests/1161,1162

Mathforces: Tech Scouts Online Test 2018 (just fun and practice, unofficial, unrated) starts in ~1.5 hour.

Special online test from Harbour Space for high school students, that was offered to candidates a year ago, in 2018.

You will be offered about 20 math questions. Each of them are expected to be solved using math skills. Please try to solve problems without any programming.

Please, join by the link
https://codeforces.com/contests/1164

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It was fixed ~30 minutes ago.