UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

July 25, 2013

Date of report (Date of earliest event reported)

ROADRUNNER TRANSPORTATION SYSTEMS, INC.

(Exact Name of Registrant as Specified in Charter)

DELAWARE	001-34734	20-2454942
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)
4900 S. PENNSYLVANIA AVE. CUDAHY, WISCONSIN		53110
(Address of Principal Executive Offices)		(Zip Code)

(414) 615-1500

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01.

Other Events.

On July 25, 2013, we announced our acquisition of all of the outstanding membership interests of Marisol International LLC, a leading non-asset based, supply chain-critical, provider of international logistics solutions for a total purchase price of $66 million, plus an earn-out capped at $2.5 million. The acquisition was financed with borrowings under our third amended and restated credit agreement described in Item 2.03 of our Current Report on Form 8-K filed with the Securities and Exchange Commission on August 8, 2012. A copy of the press release announcing this event is attached as Exhibit 99.1 and is hereby incorporated by reference into this Item 8.01.

Item 9.01.		Financial Statements and Exhibits.
	(a)	Financial Statements of Business Acquired.
		Not applicable.
	(b)	Pro Forma Financial Information.
		Not applicable.
	(c)	Shell Company Transactions.
		Not applicable.
	(d)	Exhibits.
Exhibit
Number
99.1		Press Release, dated July 25, 2013 entitled “Roadrunner Transportation Systems Announces Acquisition of Marisol International"

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ROADRUNNER TRANSPORTATION SYSTEMS, INC.
Date: July 25, 2013	By:	/s/ Peter R. Armbruster
		Peter R. Armbruster
		Chief Financial Officer

EXHIBIT INDEX

Exhibit
Number	Description
99.1	Press Release, dated July 25, 2013 entitled “Roadrunner Transportation Systems Announces Acquisition of Marisol International"