The verb 'to run' is irregular.
Past Tense Of Run, Past Participle Form of Run, Run Ran Run V1 V2
Unlocking the Mystery of Verbs: What You Need to Know - ESLBUZZ
Phrasal Verbs with RUN – English Vocabulary
Run - Ran - Multi-Meaning verb by English Language Listening Lab
inseparable phrasal verb: run into
Let's learn the phrasal verb 'run into'.
American English at State - Do you ever run ideas by your friends
12 Types Of Verb Tenses And How To Use Them
Phrasal Verbs with RUN - Espresso English