Topcoder Open

The Topcoder Open (TCO) is an annual online and onsite tournament to celebrate and reward the TCO community. The TCO Finals held in the United States! The Tournament is designed to showcase the most prestigious members in the Topcoder community. The Tournament consists of several competition tracks: Algorithm, Data Science (DS), Development, Marathon, Quality Assurance (QA), Design (each a “Competition”) and TCO23 Games.

See the reference side-by-side comparison Programming contests, coding competitions in the world