The Great Race by Kevin O'Malley*

Nate Tortoise is sick and tired of hearing people rave about Lever Lapin, the hare who has won many races.  When Nate is kicked out of his favorite table at his favorite restaurant, it is the last straw.  He challenges the arrogant lapin to a race.
-Borrowed from the library.
*Highly recommend.
Warning: insults, name calling