Galatians 2:2

Epistle of Polycarp to the Philippians

I exhort you all, therefore, to yield obedience to the word of righteousness, and to exercise all patience, such as ye have seen [set] before your eyes, not only in the case of the blessed Ignatius, and Zosimus, and Rufus, but also in others among yourselves, and in Paul himself, and the rest of the apostles. [This do] in the assurance that all these have not run[54]

Tertullian Against Marcion Book IV

Paul found in existence, to which he yielded his belief, and with which he so earnestly wished his own to agree, that he actually on that account went up to Jerusalem to know and consult the apostles, "lest he should run, or had been running in vain; "[63]

Tertullian Against Marcion Book V

when even the apostle himself had some suspicion that he might have run, and be still running, in vain.[96]