ranned
Ranned is not a standard English word. It is typically encountered as a misspelling or typographical error for the past tense of the verb run. The correct past tense is ran, and the past participle is run. Because English has several irregular verbs, some writers inadvertently apply the regular -ed ending to irregular verbs, producing forms such as ranned, but ranned has no recognized status in major dictionaries.
Ranned is most often seen in informal writing, chat messages, or drafts where spelling mistakes go uncorrected.
In fiction or branding, individuals might use ranned as a proper noun or invented term, but such