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

March 2011 Performance Update

The Frontier Fund Supplement Dated March 31, 2011 to Prospectus Dated April 30, 2010 and the Supplement to the Prospectus

Dated January 28, 2011.

The Frontier Fund Class 2 Original

T H E     F RO N T I E R     F U N D ’ S     G O A L : 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 various Series of The Frontier Fund is detailed below:*

The Frontier Fund Class 2 Original	March 31, 2011	March 31, 2011	NAV / Unit
	MTD	YTD
Balanced Series-2	-0.70%	4.12%	$166.02
Balanced Series-2a	-0.75%	3.88%	$138.84
Berkeley/Graham/Tiverton Series-2	-4.54%	-0.93%	$130.50
Currency Series-2	-0.98%	-3.72%	$91.88
Long/Short Commodity Series-2	1.22%	12.58%	$172.54
Winton/Graham Series-2	-2.39%	-0.23%	$143.70
Winton Series-2	-0.24%	1.76%	$156.70
Long Only Commodity Series-2	2.45%	6.35%	$110.29
Managed Futures Index Series-2	-4.44%	-4.16%	$124.29

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

* The above table sets forth the actual performance for the Class and Series as of March 31, 2011. 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 Series.

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

PAST PERFORMANCE IS NOT INDICATIVE OF FUTURE RESULTS

THE FRONTIER FUND BALANCED SERIES - 2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

							Current Period
INCOME
Realized trading gain/(loss)							$	(5,736,424.49	)
Unrealized trading gain/(loss)								5,236,862.65
Less: commissions								(93,895.34	)
Less: FCM fees								(28,932.54	)
Foreign currency gain/(loss)								222,762.16
Interest income								274.27
Total Income								(399,353.29	)
EXPENSES
Management fees								44,982.24
Incentive fees								108,474.45
Total Expenses								153,456.69
Net Income (Loss)							$	(552,809.98	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units			Dollars			$’s per unit
Net Asset Value, end of prior month		470,625.71181		$	78,686,730.72			167.20
Current month additions		—			—
Current month redemptions		(12,962.92070	)		(2,152,652.44	)
Net Income (loss) for current month					(552,809.98	)
Net Asset Value, end of current month		457,662.79111		$	75,981,268.30			166.02
		Monthly rate of return						-0.70	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Balanced Series 2

THE FRONTIER FUND BALANCED SERIES - 2a

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

							Current Period
INCOME
Realized trading gain/(loss)							$	(278,754.28	)
Unrealized trading gain/(loss)								254,868.11
Less: commissions								(4,504.38	)
Less: FCM fees								(1,388.18	)
Foreign currency gain/(loss)								10,719.63
Interest income								4,674.99
Total Income								(14,384.11	)
EXPENSES
Trading Fee								6,437.83
Management fees								2,158.24
Incentive fees								5,299.46
Total Expenses								13,895.53
Net Income (Loss)							$	(28,279.64	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units			Dollars			$’s per unit
Net Asset Value, end of prior month		26,653.39027		$	3,728,631.45			139.89
Current month additions		—			—
Current month redemptions		(218.04439	)		(30,000.00	)
Net Income (loss) for current month					(28,279.64	)
Net Asset Value, end of current month		26,435.34588		$	3,670,351.81			138.84
		Monthly rate of return						-0.75	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Balanced Series 2a

THE FRONTIER FUND BERKELEY/GRAHAM/TIVERTON SERIES - 2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

							Current Period
INCOME
Realized trading gain/(loss)							$	(90,430.33	)
Unrealized trading gain/(loss)								(273,707.51	)
Less: commissions								(8,842.45	)
Less: FCM fees								(3,426.65	)
Foreign currency gain/(loss)								3,299.76
Interest income								263.99
Total Income								(372,843.19	)
EXPENSES
Management fees								24,575.61
Incentive fees								(14,180.83	)
Total Expenses								10,394.78
Net Income (Loss)							$	(383,237.97	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units			Dollars			$’s per unit
Net Asset Value, end of prior month		61,666.71434		$	8,430,978.82			136.72
Current month additions		—			—
Current month redemptions		(64.95468	)		(8,419.89	)
Net Income (loss) for current month					(383,237.97	)
Net Asset Value, end of current month		61,601.75966		$	8,039,320.96			130.50
		Monthly rate of return						-4.54	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Berkeley/Graham/Tiverton Series 2

THE FRONTIER FUND CURRENCY SERIES - 2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

						Current Period
INCOME
Realized trading gain/(loss)						$	(49,141.55	)
Unrealized trading gain/(loss)							(71,459.68	)
Net change in inter-series payables							121,512.16
Less: FCM fees							(5,484.08	)
Interest income							6,842.10
Total Income							2,268.95
EXPENSES
Management fees							9,353.07
Incentive fees							—
Total Expenses							9,353.07
Net Income (Loss)						$	(7,084.12	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units		Dollars			$’s per unit
Net Asset Value, end of prior month		7,829.86035	$	726,507.97			92.79
Current month additions		—		—
Current month redemptions		—		—
Net Income (loss) for current month				(7,084.12	)
Net Asset Value, end of current month		7,829.86035	$	719,423.85			91.88
		Monthly rate of return					-0.98	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Currency Series 2

THE FRONTIER FUND LONG/SHORT COMMODITY SERIES - 2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

							Current Period
INCOME
Realized trading gain/(loss)							$	(1,146,001.38	)
Unrealized trading gain/(loss)								1,416,980.43
Less: commissions								(7,956.53	)
Less: FCM fees								(7,140.50	)
Foreign currency gain/(loss)								(568.71	)
Interest income								22,647.85
Total Income								277,961.16
EXPENSES
Management fees								71,486.84
Incentive fees								(624.71	)
Total Expenses								70,862.13
Net Income (Loss)							$	207,099.03
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units			Dollars			$’s per unit
Net Asset Value, end of prior month		100,464.63961		$	17,125,198.47			170.46
Current month additions		—			—
Current month redemptions		(1,872.91573	)		(321,437.74	)
Net Income (loss) for current month					207,099.03
Net Asset Value, end of current month		98,591.72388		$	17,010,859.76			172.54
		Monthly rate of return						1.22	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Long/Short Commodity Series 2

THE FRONTIER FUND WINTON/GRAHAM SERIES - 2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

							Current Period
INCOME
Realized trading gain/(loss)							$	26,057.73
Unrealized trading gain/(loss)								(297,687.94	)
Less: commissions								(5,790.37	)
Less: FCM fees								(4,498.77	)
Foreign currency gain/(loss)								3,480.49
Interest income								3,470.05
Total Income								(274,968.81	)
EXPENSES
Management fees								29,398.19
Incentive fees								(37,128.51	)
Total Expenses								(7,730.32	)
Net Income (Loss)							$	(267,238.49	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units			Dollars			$’s per unit
Net Asset Value, end of prior month		74,973.93628		$	11,037,410.54			147.22
Current month additions		—			—
Current month redemptions		(1,432.32221	)		(201,939.40	)
Net Income (loss) for current month					(267,238.49	)
Net Asset Value, end of current month		73,541.61407		$	10,568,232.65			143.70
		Monthly rate of return						-2.39	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Winton/Graham Series 2

THE FRONTIER FUND WINTON SERIES - 2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

							Current Period
INCOME
Realized trading gain/(loss)							$	177,333.29
Unrealized trading gain/(loss)								(172,119.02	)
Less: commissions								(816.86	)
Less: FCM fees								(4,798.89	)
Foreign currency gain/(loss)								1,213.91
Interest income								6,812.99
Total Income								7,625.42
EXPENSES
Management fees								21,704.83
Incentive fees								15,598.08
Total Expenses								37,302.91
Net Income (Loss)							$	(29,677.49	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units			Dollars			$’s per unit
Net Asset Value, end of prior month		73,826.92782		$	11,595,676.22			157.07
Current month additions		—			—
Current month redemptions		(1,036.92514	)		(160,082.62	)
Net Income (loss) for current month					(29,677.49	)
Net Asset Value, end of current month		72,790.00268		$	11,405,916.11			156.70
		Monthly rate of return						-0.24	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Winton Series 2

THE FRONTIER FUND LONG ONLY COMMODITY SERIES - 2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

							Current Period
INCOME
Realized trading gain/(loss)							$	20,427.95
Unrealized trading gain/(loss)								(373.94	)
Less: commissions								—
Less: FCM fees								(349.98	)
Foreign currency gain/(loss)								—
Interest income								1,515.53
Total Income								21,219.56
EXPENSES
Management fees								885.13
Incentive fees								—
Total Expenses								885.13
Net Income (Loss)							$	20,334.43
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units			Dollars			$’s per unit
Net Asset Value, end of prior month		7,711.22856		$	830,150.22			107.65
Current month additions		—			—
Current month redemptions		(7.28857	)		(787.07	)
Net Income (loss) for current month					20,334.43
Net Asset Value, end of current month		7,703.93999		$	849,697.58			110.29
		Monthly rate of return						2.45	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Long Only Commodity Series 2

THE FRONTIER FUND MANAGED FUTURES INDEX SERIES - 2

STATEMENT OF INCOME (LOSS)

FOR THE MONTH ENDED

March 31, 2011

(Unaudited)

							Current Period
INCOME
Realized trading gain/(loss)							$	(32,881.98	)
Unrealized trading gain/(loss)								(129,813.62	)
Less: commissions								(881.90	)
Less: FCM fees								(1,546.55	)
Foreign currency gain/(loss)								590.82
Interest income								5,943.01
Total Income								(158,590.22	)
EXPENSES
Management fees								6,549.11
Incentive fees								—
Total Expenses								6,549.11
Net Income (Loss)							$	(165,139.33	)
STATEMENT OF CHANGES IN NET ASSET VALUE
	Units			Dollars			$’s per unit
Net Asset Value, end of prior month		28,481.64664		$	3,704,794.11			130.08
Current month additions		—			—
Current month redemptions		(1,906.70082	)		(236,526.13	)
Net Income (loss) for current month					(165,139.33	)
Net Asset Value, end of current month		26,574.94582		$	3,303,128.65			124.29
		Monthly rate of return						-4.44	%

To the best of my knowledge and belief, the information

contained in this statement is accurate and complete

/s/    S. Brent Bales

S. Brent Bales, Chief Accounting Officer of the Managing Owner

Equinox Fund Management LLC

1775 Sherman Street, Suite 2500

Denver, Colorado 80203

On Behalf of the Frontier Fund - Managed Futures Index Series 2