compete
1 [intransitive, transitive] to compete against somebody/something to see who can go faster or the fastest, do something first, etc; to take part in a race or racesrace (against somebody/something) Who will he be racing against in the next round?They raced to a thrilling victory in the relay.She'll be racing for the senior team next year.race somebody/something We raced each other back to the car.race to do something Television companies are racing to be the first to screen his life story.2 [transitive] race something to make an animal or a vehicle compete in a raceto race dogs/horses/pigeonsto race motorbikes move fast
3 [intransitive, transitive] to move very fast; to move somebody/something very fast+ adverb/preposition He raced up the stairs.The days seemed to race past.She raced through the work in no time at all.race somebody/something + adverb/preposition The injured man was raced to the hospital.She raced her car through the narrow streets of the town.
of heart/mind/thoughts
4 [intransitive] to function very quickly because you are afraid, excited, etcMy mind raced as I tried to work out what was happening.She took a deep breath to calm her racing pulse.
of engine
5 [intransitive] to run too fastThe truck came to rest against a tree, its engine racing.
reɪs 
reɪs 