Source : Webster's Revised Unabridged Dictionary (1913)

Sprint \Sprint\, v. i. [imp. & p. p. {Sprinted}; p. pr. & vb. n.
   {Sprinting}.] [Cf. {Sprunt}.]
   To run very rapidly; to run at full speed.

         A runner [in a quarter-mile race] should be able to
         sprint the whole way.                    --Encyc. Brit.