The verb 'to run' is irregular.
Conjugation of the verb 'To Run' in 12 English Tenses
Meaning of up with the verbs run, walk, swim Can run
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Conjugate to run - English conjugation - bab.la verb conjugator
Run out, English phrasal verb
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Phrasal Verbs – RUN, Definitions and Example Sentences - English
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Phrasal verbs with run in English - LinguoDan
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Phrasal verb 'Run up against'. English vocabulary words, English
Run Verb 1 2 3, Past and Past Participle Form Tense of Run V1 V2