diff --git a/eng/pipelines/performance/templates/perf-wasm-build-jobs.yml b/eng/pipelines/performance/templates/perf-wasm-build-jobs.yml
index f38b57ca04c583..aaf2a2375cfa77 100644
--- a/eng/pipelines/performance/templates/perf-wasm-build-jobs.yml
+++ b/eng/pipelines/performance/templates/perf-wasm-build-jobs.yml
@@ -11,10 +11,16 @@ jobs:
       buildArgs: -s mono+libs+host+packs -c $(_BuildConfig) /p:AotHostArchitecture=x64 /p:AotHostOS=$(_hostedOS)
       nameSuffix: wasm
       isOfficialBuild: false
+      # The wasm-tools workload manifest now includes the CoreCLR browser-wasm runtime pack, so the
+      # workload install below needs that pack staged into the local feed. It's produced by the
+      # wasm_coreclr build job, so depend on it and download its published runtime pack.
+      dependsOn:
+      - build_browser_wasm_linux_Release_wasm_coreclr
       postBuildSteps:
         - template: /eng/pipelines/performance/templates/perf-wasm-prepare-artifacts-steps.yml
           parameters:
             configForBuild: Release
+            downloadCoreClrRuntimePack: true
 
 # Build CoreCLR runtime for browser-wasm (used by --wasm-coreclr benchmarks)
 - template: /eng/pipelines/common/platform-matrix.yml
@@ -34,4 +40,5 @@ jobs:
             configForBuild: Release
             artifactName: BrowserWasmCoreCLR
             sdkDirName: dotnet-none
-            includeRefPack: false
\ No newline at end of file
+            includeRefPack: false
+            publishCoreClrRuntimePack: true
diff --git a/eng/pipelines/performance/templates/perf-wasm-prepare-artifacts-steps.yml b/eng/pipelines/performance/templates/perf-wasm-prepare-artifacts-steps.yml
index a0a76570a1cb11..a6452608f1b349 100644
--- a/eng/pipelines/performance/templates/perf-wasm-prepare-artifacts-steps.yml
+++ b/eng/pipelines/performance/templates/perf-wasm-prepare-artifacts-steps.yml
@@ -4,8 +4,29 @@ parameters:
   runtimeFlavor: 'mono'
   sdkDirName: 'dotnet-latest'
   includeRefPack: true
+  # The Mono (default) build installs the wasm-tools workload, whose manifest now includes the
+  # CoreCLR browser-wasm runtime pack (Microsoft.NETCore.App.Runtime.browser-wasm). A Mono-only
+  # build doesn't produce that pack, so download it from the CoreCLR build job and stage it into
+  # the local package feed before installing the workload.
+  downloadCoreClrRuntimePack: false
+  # The CoreCLR build publishes its runtime pack so the Mono build (above) can consume it.
+  publishCoreClrRuntimePack: false
 
 steps:
+  # Stage the CoreCLR browser-wasm runtime pack (built by the wasm_coreclr job) into the local
+  # package feed so the wasm-tools workload install below can resolve it.
+  - ${{ if eq(parameters.downloadCoreClrRuntimePack, true) }}:
+    - task: DownloadPipelineArtifact@2
+      displayName: "Download CoreCLR runtime pack for workload install"
+      inputs:
+        buildType: current
+        artifactName: BrowserWasmCoreCLRRuntimePack_$(_hostedOs)
+        targetPath: $(Build.SourcesDirectory)/artifacts/coreclr-runtimepack
+    - script: >-
+        mkdir -p $(Build.SourcesDirectory)/artifacts/packages/${{ parameters.configForBuild }}/Shipping &&
+        cp $(Build.SourcesDirectory)/artifacts/coreclr-runtimepack/*.nupkg $(Build.SourcesDirectory)/artifacts/packages/${{ parameters.configForBuild }}/Shipping/
+      displayName: "Stage CoreCLR runtime pack into local feed"
+
   - script: >-
       ./dotnet.sh build -p:TargetOS=browser -p:TargetArchitecture=wasm /nr:false /p:TreatWarningsAsErrors=true
       /p:Configuration=${{ parameters.configForBuild }}
@@ -30,6 +51,21 @@ steps:
     - script: cp -r $(Build.SourcesDirectory)/artifacts/bin/microsoft.netcore.app.ref $(Build.SourcesDirectory)/artifacts/staging
       displayName: "Stage ref pack directory"
 
+  # Publish the CoreCLR browser-wasm runtime pack nuget on its own so the Mono build job can stage
+  # it into its local feed for the wasm-tools workload install.
+  - ${{ if eq(parameters.publishCoreClrRuntimePack, true) }}:
+    - script: >-
+        mkdir -p $(Build.SourcesDirectory)/artifacts/staging-coreclr-runtimepack &&
+        find $(Build.SourcesDirectory)/artifacts/packages/${{ parameters.configForBuild }}/Shipping -maxdepth 1 -name 'Microsoft.NETCore.App.Runtime.browser-wasm.*.nupkg' -not -name '*.symbols.nupkg' -exec cp {} $(Build.SourcesDirectory)/artifacts/staging-coreclr-runtimepack \;
+      displayName: "Stage CoreCLR runtime pack for workload"
+    - template: /eng/pipelines/common/templates/publish-pipeline-artifacts.yml
+      parameters:
+        isOfficialBuild: false
+        displayName: Publish CoreCLR runtime pack for workload
+        inputs:
+          targetPath: $(Build.SourcesDirectory)/artifacts/staging-coreclr-runtimepack
+          artifactName: BrowserWasmCoreCLRRuntimePack_$(_hostedOs)
+
   - template: /eng/pipelines/common/upload-artifact-step.yml
     parameters:
       rootFolder: '$(Build.SourcesDirectory)/artifacts/staging'