The phrase "racing mind" refers to when our thoughts or ideas are moving quickly and chaotically in our head, making it hard to focus or relax. Full definition
One day all your faiths will only be followed by a handful of wierdoes in a small room and the human races minds will be free from enslavment! (religion.blogs.cnn.com)
Racing minds for this sign can lead to racing hearts if they're not careful. (babygaga.com)
It will help to calm your racing mind and allow your skin some time to rest. (laurenburkitt.com)