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          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
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        <classId>C000220930</classId>
        <classId>C000220931</classId>
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      <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>
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      <repPdEnd>2025-10-31</repPdEnd>
      <repPdDate>2025-04-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>3578225.26</totLiabs>
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      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
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        <name>iShares ESG Aware U.S. Aggregate Bond 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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      <invstOrSec>
        <name>iShares MSCI Emerging Markets Small-Cap ETF</name>
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      <invstOrSec>
        <name>iShares MSCI EAFE Small-Cap ETF</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares ESG Aware MSCI EM ETF</name>
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        <title>iShares ESG Aware MSCI EM ETF</title>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>BlackRock Funds III</name>
        <lei>5493008LW2651I1QB503</lei>
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        <identifiers>
          <isin value="US0669225197"/>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
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        <name>iShares ESG Aware MSCI USA Small-Cap ETF</name>
        <lei>549300V3IZTYAHR0WL12</lei>
        <title>iShares ESG Aware MSCI USA Small-Cap ETF</title>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares MSCI Canada ETF</name>
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        <title>iShares MSCI Canada ETF</title>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
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        <name>BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES</name>
        <lei>5493008LW2651I1QB503</lei>
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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>
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        <identifiers>
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        <balance>19623.94000000</balance>
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        <curCd>USD</curCd>
        <valUSD>158365.21000000</valUSD>
        <pctVal>2.213154497177</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>2025-05-30</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>
</edgarSubmission>
