A short race at top speed.
"The runners lined up to sprint down the final stretch of the track."
In plain English: A sprint is a very short, fast run done with all your energy for just a few seconds.
"The final sprint to the finish line was exhausting but exhilarating."
run very fast, usually for a short distance
"The athlete sprinted down the final stretch of the track to win the race by a single second."
To run, cycle, etc. at top speed for a short period.
"The athletes sprinted down the final stretch of the track to win the race by a single second."
In plain English: To sprint means to run as fast as you possibly can for a short distance.
"She had to sprint across the street just in time before the light turned red."
Alteration of earlier sprent ("to leap; bound; dart"), from Northern Middle English sprenten, from Old Norse sprenta (for later spretta), from Proto-Germanic sprantijaną, causative of Proto-Germanic sprintaną ("to jump up; bounce"), from Proto-Indo-European sprend-, sprendʰ- ("to flinch; jump"), from Proto-Indo-European sper- ("to twitch; fidget; flinch; jump; be quick").