1. A play-through of a video game with the goal of completing it as quickly as possible
   "The player set a new world record with his speedrun of the classic platformer"
    
2. [informal] Any activity performed with the goal of completing it as quickly as possible
   "Their trip to Europe was more of a speedrun than a relaxed vacation"

1. To play through a video game with the intention of completing it in the shortest possible time
   "He decided to speedrun the game after mastering all its mechanics"

Derived forms: speedruns, speedrunning

Encyclopedia: Speedrun