Filed Pursuant to Rule 424(b)(3)
Registration No. 333-155800

  equinoxfunds.com     c/o Phoenix American   Financial Services, Inc.     2401 Kerner Boulevard   San Rafael, CA 94901   P 1.877.837.0600 Opt #2   F 415.485.4553

March 2014 Performance Update

Equinox Frontier Funds Supplement Dated March 31, 2014 to Prospectus Dated April 30, 2013.

Equinox Frontier Funds Class 3

EQUINOX FRONTIER FUNDS’ GOAL: To provide you – the investor – with a managed futures product that, over the long term, provides attractive returns, reduces volatility, and improves the overall performance of your investment portfolio.

March performance for the Equinox Frontier Funds is detailed below:*

Equinox Frontier Funds Class 3	March 31, 2014	March 31, 2014	NAV / Unit
	MTD	YTD
Equinox Frontier Diversified Fund-3	-3.02%	-1.53%	$	82.92
Equinox Frontier Long/Short Commodity Fund-3a	-2.98%	-10.68%	$	89.74
Equinox Frontier Masters Fund-3	-1.66%	-4.47%	$	87.80

Additional information, including monthly rates of return, concerning the aforementioned Funds and the Trading Advisor(s) is contained in the Prospectus and the respective Fund’s Appendix to the Prospectus.

* The above table sets forth the actual performance of the Fund and Class as of March 31, 2014. Actual gross trading performance (gross realized and unrealized gain/loss before deduction for trading commissions and fees, management fees, any other expense, and before addition of interest income) is adjusted for the trading expenses, management fees, initial service fees, on-going service fees, and interest income of the applicable Fund.

** The inception date for the Equinox Frontier Diversified Fund, Class 3 was February 25, 2014. Year-to-date (YTD) percentages represent those respective periods since inception.

THIS INSERT MUST BE ACCOMPANIED OR PRECEDED BY THE CURRENT PROSPECTUS OF EQUINOX FRONTIER FUNDS

PAST PERFORMANCE IS NOT INDICATIVE OF FUTURE RESULTS

EQUINOX FRONTIER DIVERSIFIED FUND - Class 3

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2014

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	10,976.97
Unrealized trading gain (loss)		(28,197.18	)
Less: Commissions		(1,189.51	)
Less: Trading Fee paid to Managing Owner		(1,266.03	)
Interest income		602.26
Total Income		(19,073.49	)
EXPENSES
Broker service fees		0.00
Incentive fees		647.48
Management fees		1,015.50
Total Expenses		1,662.98
Net Income (Loss)	$	(20,736.47	)

Statement of Changes in Net Asset Value

	Units		Dollars			$’s per unit
Net asset value, beginning of month		6,418.31308	$	548,798.38		$	85.51
Current month additions		2,404.17293		203,521.81
Current month redemptions		0.00000		0.00
Net income (loss) for current month				(20,736.47	)		(2.59	)
Net asset value, end of current month		8,822.48601	$	731,583.72		$	82.92
		Monthly rate of return					-3.02	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

EQUINOX FRONTIER DIVERSIFIED FUND - Class 3

EQUINOX FRONTIER LONG/SHORT COMMODITY FUND - Class 3a

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2014

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(6,431.60	)
Unrealized trading gain (loss)		(2,982.70	)
Less: Commissions		(884.33	)
Less: Trading Fee paid to Managing Owner		(796.32	)
Interest income		421.54
Total Income		(10,673.41	)
EXPENSES
Broker service fees		0.00
Incentive fees		0.00
Management fees		1,470.10
Total Expenses		1,470.10
Net Income (Loss)	$	(12,143.51	)

Statement of Changes in Net Asset Value

	Units			Dollars			$’s per unit
Net asset value, beginning of month		4,382.30768		$	405,346.64		$	92.50
Current month additions		235.11711			21,820.70
Current month redemptions		(209.82875	)		(19,486.14	)
Net income (loss) for current month					(12,143.51	)		(2.76	)
Net asset value, end of current month		4,407.59604		$	395,537.69		$	89.74
		Monthly rate of return						-2.98	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

EQUINOX FRONTIER LONG/SHORT COMMODITY FUND - Class 3a

EQUINOX FRONTIER MASTERS FUND - Class 3

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2014

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	1,665.96
Unrealized trading gain (loss)		(11,063.86	)
Less: Commissions		(765.96	)
Less: Trading Fee paid to Managing Owner		(1,484.08	)
Interest income		807.35
Total Income		(10,840.59	)
EXPENSES
Broker service fees		0.00
Incentive fees		(1,113.47	)
Management fees		2,277.81
Total Expenses		1,164.34
Net Income (Loss)	$	(12,004.93	)

Statement of Changes in Net Asset Value

	Units			Dollars			$’s per unit
Net asset value, beginning of month		7,439.56506		$	664,188.38		$	89.28
Current month additions		2,897.74376			254,348.55
Current month redemptions		(935.32401	)		(81,042.54	)
Net income (loss) for current month					(12,004.93	)		(1.48	)
Net asset value, end of current month		9,401.98481		$	825,489.46		$	87.80
		Monthly rate of return						-1.66	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

EQUINOX FRONTIER MASTERS FUND - Class 3

EQUINOX FRONTIER DIVERSIFIED FUND

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2014

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	1,334,795.11
Unrealized trading gain (loss)		(2,780,800.91	)
Less: Commissions		(105,514.23	)
Less: Trading Fee paid to Managing Owner		(113,494.35	)
Interest income		53,898.15
Total Income		(1,611,116.23	)
EXPENSES
Trading fees		0.00
Broker service fees		48,239.32
Incentive fees		19,572.23
Management fees		90,562.83
Total Expenses		158,374.38
Net Income (Loss)	$	(1,769,490.61	)

Statement of Changes in Net Asset Value

	Units			Dollars			Aggregate Net Asset Value per unit*
Net asset value, beginning of month		660,116.75604		$	59,012,844.35		$	89.40
Current month additions		4,952.08026			427,592.61
Current month redemptions		(41,752.22632	)		(3,616,328.17	)
Net income (loss) for current month					(1,769,490.61	)		(2.68	)
Net asset value, end of current month		623,316.60998		$	54,054,618.18		$	86.72
		Monthly rate of return						-2.99	%

* Please see your specific Class Statement of Income (Loss) for your specific unit value.

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - EQUINOX FRONTIER DIVERSIFIED FUND

EQUINOX FRONTIER LONG/SHORT COMMODITY FUND

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2014

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	(313,494.53	)
Unrealized trading gain (loss)		(100,034.44	)
Less: Commissions		(41,678.62	)
Less: Trading Fee paid to Managing Owner		(24,731.54	)
Interest income		19,860.14
Total Income		(460,078.99	)
EXPENSES
Trading fees		0.00
Broker service fees		11,790.74
Incentive fees		0.00
Management fees		96,600.10
Total Expenses		108,390.84
Net Income (Loss)	$	(568,469.83	)

Statement of Changes in Net Asset Value

	Units			Dollars			Aggregate Net Asset Value per unit*
Net asset value, beginning of month		197,655.97904		$	19,593,562.09		$	99.13
Current month additions		650.05053			57,224.93
Current month redemptions		(14,363.85462	)		(1,400,530.27	)
Net income (loss) for current month					(568,469.83	)		(3.00	)
Net asset value, end of current month		183,942.17495		$	17,681,786.93		$	96.13
		Monthly rate of return						-3.03	%

* Please see your specific Class Statement of Income (Loss) for your specific unit value.

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - EQUINOX FRONTIER LONG/SHORT COMMODITY FUND

EQUINOX FRONTIER MASTERS FUND

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2014

(Unaudited)

	Current Period
INCOME
Realized trading gain (loss)	$	227,767.46
Unrealized trading gain (loss)		(614,815.85	)
Less: Commissions		(29,925.63	)
Less: Trading Fee paid to Managing Owner		(56,196.77	)
Interest income		30,420.87
Total Income		(442,749.92	)
EXPENSES
Trading fees		0.00
Broker service fees		32,236.22
Incentive fees		(40,864.43	)
Management fees		85,922.62
Total Expenses		77,294.41
Net Income (Loss)	$	(520,044.33	)

Statement of Changes in Net Asset Value

	Units			Dollars			Aggregate Net Asset Value per unit*
Net asset value, beginning of month		326,345.04730		$	29,783,748.97		$	91.26
Current month additions		3,375.65252			299,193.42
Current month redemptions		(29,708.70586	)		(2,615,496.50	)
Net income (loss) for current month					(520,044.33	)		(1.44	)
Net asset value, end of current month		300,011.99396		$	26,947,401.56		$	89.82
		Monthly rate of return						-1.58	%

* Please see your specific Class Statement of Income (Loss) for your specific unit value.

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/ Vance Sanders

Vance Sanders, Chief Financial Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - EQUINOX FRONTIER MASTERS FUND