Passage 6.15.4
παγκρατίου μὲν οὖν μιᾷ πρὸς ταῖς τεσσαράκοντα καὶ ἑκατὸν Ὀλυμπιάσιν ἔφθανεν ἀνῃρημένος νίκην· ἡ δὲ Ὀλυμπιὰς ἡ ἐφεξῆς εἶχε μὲν τὸν Κλειτόμαχον τοῦτον παγκρατίου καὶ πυγμῆς ἀγωνιστήν, εἶχε δὲ καὶ Ἠλεῖον Κάπρον ἐπὶ ἡμέρας τῆς αὐτῆς παλαῖσαί τε ὁμοῦ καὶ παγκρατιάσαι προθυμούμενον.
At the hundred and forty-first Olympiad he had already obtained a victory in the pankration. At the next Olympiad after this, Kleitomachos competed both in pankration and in boxing, and an Elean named Kapros was eager to compete in wrestling and pankration alike, both on the very same day.