Run-up, Run up or runup, may be:

• Run-up (cricket), type of movement made by a bowler
• Run-up (aviation), aircraft verification procedure performed just prior to take-off
• Wave run-up, height to which sea waves run up the slope of a revetment, bank or dike
• The maximum height on land reached by a tsunami as it encounters the shore
• The area before the main track in tumbling
• "Run Up", a 2017 song by Major Lazer
• Run Up (Rina Aiuchi song)
• "Run Up", a 2016 song by Future from Purple Reign