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


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        <classId>C000220941</classId>
        <classId>C000220942</classId>
        <classId>C000220943</classId>
      </seriesClassInfo>


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      <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 2035 Fund</seriesName>
      <seriesId>S000069126</seriesId>
      <seriesLei>549300MH5Q0BWPGS5R66</seriesLei>
      <repPdEnd>2026-10-31</repPdEnd>
      <repPdDate>2026-07-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
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      <totLiabs>9182835.97</totLiabs>
      <netAssets>17951476.94</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
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        <name>iShares MSCI Emerging Markets Small-Cap ETF</name>
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        <name>iShares MSCI Canada ETF</name>
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        <fairValLevel>1</fairValLevel>
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        <name>iShares TIPS Bond ETF</name>
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        <fairValLevel>1</fairValLevel>
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        <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>
        <name>iShares ESG Aware MSCI EM ETF</name>
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        <fairValLevel>1</fairValLevel>
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        <name>iShares ESG Aware MSCI USA ETF</name>
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        <fairValLevel>1</fairValLevel>
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        <name>iShares ESG Aware MSCI EAFE ETF</name>
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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>BlackRock Funds III</name>
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        <invCountry>US</invCountry>
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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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        <balance>46356.58000000</balance>
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        <curCd>USD</curCd>
        <valUSD>46356.58000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </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>2026-08-31</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>
