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EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

June 23, 2025

To the Participants and Plan Administrator

Marathon Petroleum Thrift Plan

We consent to the incorporation by reference in Registration Statement Nos. 333-212956, 333-175245, and 333-248128 of Marathon Petroleum Corporation on Form S-8 of our report, dated June 23, 2025, appearing in this Annual Report on Form 11-K of the Marathon Petroleum Thrift Plan as of, and for the year ended, December 31, 2024.

/s/ GJC CPA’S & ADVISORS

Cincinnati, Ohio