FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Rucker Kim K.W.   2. Issuer Name and Ticker or Trading Symbol Marathon Petroleum Corp [MPC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O MARATHON PETROLEUM CORPORATION, 539 S. MAIN STREET 3. Date of Earliest Transaction (Month/Day/Year) 10/01/2018 (Street) FINDLAY, OH 45840 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/01/2018   A   109,090 A (1) (2) (3) (4) 109,090 D   Common Stock 10/01/2018   A   409.438 A $ 0 109,499.438 D   Common Stock 10/01/2018   F   4,072 D $ 82.43 105,427.438 (4) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Rucker Kim K.W. C/O MARATHON PETROLEUM CORPORATION 539 S. MAIN STREET FINDLAY, OH 45840	X

Signatures

/s/ Molly R. Benson, Attorney-in-Fact for Kim K.W. Rucker		10/03/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Received in connection with the merger of Mahi Inc., a wholly owned subsidiary of the Issuer, with and into Andeavor on October 1, 2018, with Andeavor as the surviving entity (the "Merger"). On the effective date of the Merger, the closing price of Issuer common stock was $82.43 per share.
(2)	Includes 61,446 Issuer restricted stock units received upon conversion of 18,902 Andeavor market stock unit awards. The Andeavor awards were converted in the Merger based on the number of shares of Andeavor common stock that would have been issued pursuant to such market stock unit awards based on actual performance through the Merger multiplied by 1.87 and rounded down to the nearest whole number.
(3)	Includes 47,644 Issuer restricted stock units received upon conversion of 17,779 Andeavor performance share awards. The Andeavor awards were converted in the Merger based on the number of shares of Andeavor common stock that would have been issued pursuant to such performance share awards based on actual performance through the Merger multiplied by 1.87 and rounded down to the nearest whole number.
(4)	All reported amounts are estimated as of October 3, 2018 based on preliminary information with respect to the Merger. Final amounts will be reported in a subsequent filing.

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