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    <filerInfo>

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          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
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        <classId>C000220952</classId>
        <classId>C000220951</classId>
        <classId>C000220950</classId>
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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 2050 Fund</seriesName>
      <seriesId>S000069129</seriesId>
      <seriesLei>549300EBDPTDY49FRC03</seriesLei>
      <repPdEnd>2023-10-31</repPdEnd>
      <repPdDate>2023-07-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
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      <totLiabs>158353.80</totLiabs>
      <netAssets>4927394.49</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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      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
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      <isNonCashCollateral>N</isNonCashCollateral>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares MSCI Emerging Markets Small-Cap ETF</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES</name>
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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares Inc iShares ESG Aware MSCI EM ETF</name>
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        <title>iShares Inc iShares ESG Aware MSCI EM ETF</title>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>BlackRock Funds III</name>
        <lei>5493008LW2651I1QB503</lei>
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      <invstOrSec>
        <name>iShares TIPS Bond ETF</name>
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        <fairValLevel>1</fairValLevel>
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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>
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        <identifiers>
          <isin value="US0919361875"/>
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        <balance>23566.98000000</balance>
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        <curCd>USD</curCd>
        <valUSD>217287.54000000</valUSD>
        <pctVal>4.409785748654</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <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>2023-08-30</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds III</ncom:nameOfApplicant>
      <ncom:signature>Chuck Pulsfort</ncom:signature>
      <ncom:signerName>Chuck Pulsfort</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
