-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MxLGXa8jEFCWerMawnAn9IHjeOmt1NOpJKRcKwx7Q/sN9OC64Fy+gE0m8Nk+29tq
 01WiS1hIufxQwZRIdQtiwA==

<SEC-DOCUMENT>0000925751-03-000405.txt : 20031022
<SEC-HEADER>0000925751-03-000405.hdr.sgml : 20031022
<ACCEPTANCE-DATETIME>20031022121943
ACCESSION NUMBER:		0000925751-03-000405
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031015
FILED AS OF DATE:		20031022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MASON RAYMOND K JR
		CENTRAL INDEX KEY:			0001168829

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-02384
		FILM NUMBER:		03951331

	BUSINESS ADDRESS:	
		STREET 1:		1325 HENDRICKS AVENUE
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32207

	MAIL ADDRESS:	
		STREET 1:		1325 HENDRICKS AVENUE
		CITY:			JACKSONVILLE
		STATE:			FL
		ZIP:			32207

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERNATIONAL SPEEDWAY CORP
		CENTRAL INDEX KEY:			0000051548
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-RACING, INCLUDING TRACK OPERATION [7948]
		IRS NUMBER:				590709342
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1130

	BUSINESS ADDRESS:	
		STREET 1:		1801 W INTERNATIONAL SPEEDWAY BLVD
		CITY:			DAYTONA BEACH
		STATE:			FL
		ZIP:			32114-1243
		BUSINESS PHONE:		3862542700

	MAIL ADDRESS:	
		STREET 1:		1801 WEST INTERNATIONAL SPEEDWAY CORP
		CITY:			DAYTONA BEACH
		STATE:			FL
		ZIP:			32114-1243

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DAYTONA INTERNATIONAL SPEEDWAY CORP
		DATE OF NAME CHANGE:	19691130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FRANCE BILL RACING INC
		DATE OF NAME CHANGE:	19670227
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>mas676.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType>
	<periodOfReport>2003-10-15</periodOfReport>
	<dateOfOriginalSubmission>2003-10-16</dateOfOriginalSubmission>
	<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000051548</issuerCik>
        <issuerName>INTERNATIONAL SPEEDWAY CORP</issuerName>
        <issuerTradingSymbol>ISCA, ISCB</issuerTradingSymbol>
	</issuer>
	<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001168829</rptOwnerCik>
            <rptOwnerName>MASON RAYMOND K JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1801 WEST INTERNATIONAL SPEEDWAY BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DAYTONA BEACH</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
			<isDirector>1</isDirector>
			<isOfficer>0</isOfficer>
			<isTenPercentOwner>0</isTenPercentOwner>
			<isOther>0</isOther>
		</reportingOwnerRelationship>
	</reportingOwner>
	<nonDerivativeTable>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Class A Common Stock</value>
			</securityTitle>
			<transactionDate>
				<value>2003-10-15</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
				<transactionFormType>4</transactionFormType>
				<transactionCode>C</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>5000</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>0</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>A</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>6042.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Class A Common Stock</value>
			</securityTitle>
			<transactionDate>
				<value>2003-10-15</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
				<transactionFormType>4</transactionFormType>
				<transactionCode>S</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>5000</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>44.195</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>D</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1042.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Class B Common Stock</value>
			</securityTitle>
			<transactionDate>
				<value>2003-10-15</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
				<transactionFormType>4</transactionFormType>
				<transactionCode>C</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>5000</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>0</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>D</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>145000.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeHolding>
			<securityTitle>
				<value>Class B Common Stock</value>
			</securityTitle>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>16665.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>I</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value>By IRA</value>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeHolding>
		<nonDerivativeHolding>
			<securityTitle>
				<value>Class B Common Stock</value>
			</securityTitle>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>75.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>I</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value>By Trust</value>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeHolding>
	</nonDerivativeTable>
	<derivativeTable>
		<derivativeHolding>
			<securityTitle>
				<value>4/10/2001 Options to Acquire ISCA</value>
			</securityTitle>
			<conversionOrExercisePrice>
				<value>44.250</value>
			</conversionOrExercisePrice>
			<exerciseDate>
				<value>2002-04-10</value>
			</exerciseDate>
			<expirationDate>
				<value>2011-04-10</value>
			</expirationDate>
			<underlyingSecurity>
				<underlyingSecurityTitle>
					<value>Class A Common Stock</value>
				</underlyingSecurityTitle>
				<underlyingSecurityShares>
					<value>1155.000</value>
				</underlyingSecurityShares>
			</underlyingSecurity>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1155.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</derivativeHolding>
		<derivativeHolding>
			<securityTitle>
				<value>4/5/2000 Options to Acquire ISCA</value>
			</securityTitle>
			<conversionOrExercisePrice>
				<value>44.500</value>
			</conversionOrExercisePrice>
			<exerciseDate>
				<value>2001-04-05</value>
			</exerciseDate>
			<expirationDate>
				<value>2010-04-05</value>
			</expirationDate>
			<underlyingSecurity>
				<underlyingSecurityTitle>
					<value>Class A Common Stock</value>
				</underlyingSecurityTitle>
				<underlyingSecurityShares>
					<value>1103.000</value>
				</underlyingSecurityShares>
			</underlyingSecurity>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1103.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</derivativeHolding>
		<derivativeHolding>
			<securityTitle>
				<value>4/9/2002 Options to Acquire ISCA</value>
			</securityTitle>
			<conversionOrExercisePrice>
				<value>44.730</value>
			</conversionOrExercisePrice>
			<exerciseDate>
				<value>2003-04-09</value>
			</exerciseDate>
			<expirationDate>
				<value>2012-04-09</value>
			</expirationDate>
			<underlyingSecurity>
				<underlyingSecurityTitle>
					<value>Class A Common Stock</value>
				</underlyingSecurityTitle>
				<underlyingSecurityShares>
					<value>1146.000</value>
				</underlyingSecurityShares>
			</underlyingSecurity>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1146.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</derivativeHolding>
		<derivativeHolding>
			<securityTitle>
				<value>4/9/2003 Options to Acquire ISCA</value>
			</securityTitle>
			<conversionOrExercisePrice>
				<value>39.790</value>
			</conversionOrExercisePrice>
			<exerciseDate>
				<value>2004-04-09</value>
			</exerciseDate>
			<expirationDate>
				<value>2013-04-09</value>
			</expirationDate>
			<underlyingSecurity>
				<underlyingSecurityTitle>
					<value>Class A Common Stock</value>
				</underlyingSecurityTitle>
				<underlyingSecurityShares>
					<value>1014.000</value>
				</underlyingSecurityShares>
			</underlyingSecurity>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1014.000</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</derivativeHolding>
	</derivativeTable>
	<footnotes>
	</footnotes>
	<remarks>Amended to correct total holdings after completion of transactions reported.
	</remarks>
	<ownerSignature>
		<signatureName>By: Glenn R. Padgett as Attorney in fact for</signatureName>
		<signatureDate>2003-10-22</signatureDate>
	</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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