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    <isConfidential>false</isConfidential>
    <filerInfo>

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          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


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        <classId>C000220930</classId>
        <classId>C000220931</classId>
        <classId>C000220929</classId>
      </seriesClassInfo>


    </filerInfo>
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      <regFileNumber>811-07332</regFileNumber>
      <regCik>0000893818</regCik>
      <regLei>5493008LW2651I1QB503</regLei>
      <regStreet1>100 Bellevue Parkway</regStreet1>
      <regCity>Wilmington</regCity>
      <regStateConditional regCountry="US" regState="US-DE"/>
      <regZipOrPostalCode>19809</regZipOrPostalCode>
      <regPhone>800-441-7762</regPhone>
      <seriesName>BlackRock LifePath ESG Index Retirement Fund</seriesName>
      <seriesId>S000069122</seriesId>
      <seriesLei>549300G0W62JRB3ZIF91</seriesLei>
      <repPdEnd>2022-10-31</repPdEnd>
      <repPdDate>2022-04-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>2892775.54</totAssets>
      <totLiabs>822523.02</totLiabs>
      <netAssets>2070252.52</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
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      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
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      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>0.00000000</cshNotRptdInCorD>
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      <isNonCashCollateral>N</isNonCashCollateral>
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        <monthlyTotReturns>
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        <othMon2 netRealizedGain="-261.86000000" netUnrealizedAppr="-18702.68000000"/>
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      <mon1Flow redemption="0.00000000" reinvestment="0.00000000" sales="72419.35000000"/>
      <mon2Flow redemption="0.00000000" reinvestment="0.00000000" sales="21030.00000000"/>
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        <title>iShares Trust iShares ESG Aware MSCI EAFE ETF</title>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>iShares ESG Aware US Aggregate Bond ETF</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares ESG Aware MSCI USA ETF</name>
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        <title>iShares ESG Aware MSCI USA ETF</title>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI Emerging Markets Small-Cap ETF</name>
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        <title>iShares MSCI Emerging Markets Small-Cap ETF</title>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares MSCI EAFE Small-Cap ETF</name>
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        <title>iShares MSCI EAFE Small-Cap ETF</title>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares Inc iShares ESG Aware MSCI EM ETF</name>
        <lei>549300JES9K0OUJ8F389</lei>
        <title>iShares Inc iShares ESG Aware MSCI EM ETF</title>
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        <fairValLevel>1</fairValLevel>
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          <loanByFundCondition isLoanByFund="Y" loanVal="12976.74000000"/>
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      </invstOrSec>
      <invstOrSec>
        <name>BlackRock Funds III</name>
        <lei>5493008LW2651I1QB503</lei>
        <title>BlackRock Cash Funds: Institutional, SL Agency Shares</title>
        <cusip>066922519</cusip>
        <identifiers>
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        <curCd>USD</curCd>
        <valUSD>405840.27000000</valUSD>
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        <assetCat>STIV</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <cashCollateralCondition cashCollateralVal="405840.27000000" isCashCollateral="Y"/>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares ESG Aware MSCI USA Small-Cap ETF</name>
        <lei>549300V3IZTYAHR0WL12</lei>
        <title>iShares ESG Aware MSCI USA Small-Cap ETF</title>
        <cusip>46435U663</cusip>
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          <isin value="US46435U6635"/>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares TIPS Bond ETF</name>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES</name>
        <lei>5493008LW2651I1QB503</lei>
        <title>BlackRock Cash Funds: Treasury, SL Agency Shares</title>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares MSCI Canada ETF</name>
        <lei>549300DXCD53F4JK3H45</lei>
        <title>iShares MSCI Canada ETF</title>
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        <balance>490.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>18154.50000000</valUSD>
        <pctVal>0.876922009494</pctVal>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares Developed Real Estate Index Fund</name>
        <lei>549300CCO72SBIYZNP24</lei>
        <title>iShares Developed Real Estate Index Fund</title>
        <cusip>091936187</cusip>
        <identifiers>
          <isin value="US0919361875"/>
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        <balance>4460.38300000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>48172.14000000</valUSD>
        <pctVal>2.326872665755</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>


      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2022-05-31</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds III</ncom:nameOfApplicant>
      <ncom:signature>Ann Frechette</ncom:signature>
      <ncom:signerName>Ann Frechette</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
