Strong's #4370: prostrecho (pronounced pros-trekh'-o)
 from 4314 and 5143 (including its alternate); to run towards, i.e. hasten to meet or join:--run (thither to, to).
Thayer's Greek Lexicon:
 ́ 
 
  prostrechō 
 
 1) to run to
 
  Part of Speech: verb
Relation: from G4314 and G5143 (including its alternate)
 
Usage:
This word is used 3 times:
Mark 9:15: "him, were greatly amazed, and  running to him saluted him."
Mark 10:17: "into the way, there came one  running, and kneeled to him, and asked"
Acts 8:30: "And Philip  ran thither to him, and heard him read the prophet"