Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Heats in Track Events - Relay Events. If a team qualifies for the next round of a relay event, they are not allowed to change their team members for any other race unless one of them is injured or ill.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
