TCO20 Eligible: Competing in Marathons can help you qualify for TCO20 Marathon Tournament Finals. Learn More.
How to compete? In order to compete in a Topcoder Marathon Match, you will need to click the Register button next to the appropriate Marathon Match within the Active Contests list and agree to the rules of the event.
Want to Practice? To understand what kind of problems do Marathon Matches have and to get the feel of a Topcoder Marathon Match you can visit the practice rooms and participate in the Marathon Matches previously hosted on Topcoder.
Best of luck!