diff --git a/.github/actions/run-bash-perf-test/action.yml b/.github/actions/run-bash-perf-test/action.yml
index 5d86cc3..25ef6ed 100644
--- a/.github/actions/run-bash-perf-test/action.yml
+++ b/.github/actions/run-bash-perf-test/action.yml
@@ -18,6 +18,14 @@ inputs:
     description: "Ignore baseline tests (pipe-separated substrings)"
     required: false
     default: ""
+  transport-select:
+    description: "Select transports to test (pipe-separated patterns, e.g. quic-v1)"
+    required: false
+    default: ""
+  transport-ignore:
+    description: "Ignore specific transports (pipe-separated patterns)"
+    required: false
+    default: ""
   iterations:
     description: "Number of iterations per test"
     required: false
@@ -109,6 +117,16 @@ runs:
           ITERATIONS_FLAG="--iterations ${{ inputs.iterations }}"
         fi
 
+        TRANSPORT_SELECT_FLAG=""
+        if [ -n "${{ inputs.transport-select }}" ]; then
+          TRANSPORT_SELECT_FLAG="--transport-select ${{ inputs.transport-select }}"
+        fi
+
+        TRANSPORT_IGNORE_FLAG=""
+        if [ -n "${{ inputs.transport-ignore }}" ]; then
+          TRANSPORT_IGNORE_FLAG="--transport-ignore ${{ inputs.transport-ignore }}"
+        fi
+
         UPLOAD_BYTES_FLAG=""
         if [ -n "${{ inputs.upload-bytes }}" ]; then
           UPLOAD_BYTES_FLAG="--upload-bytes ${{ inputs.upload-bytes }}"
@@ -140,6 +158,8 @@ runs:
           $DOWNLOAD_BYTES_FLAG \
           $DURATION_FLAG \
           $LATENCY_ITERATIONS_FLAG \
+          $TRANSPORT_SELECT_FLAG \
+          $TRANSPORT_IGNORE_FLAG \
           $SNAPSHOT_FLAG \
           $EXPORT_DOCKER_FLAG \
           $FORCE_MATRIX_FLAG \
diff --git a/.github/workflows/perf-pr.yml b/.github/workflows/perf-pr.yml
index c27b9b7..c729030 100644
--- a/.github/workflows/perf-pr.yml
+++ b/.github/workflows/perf-pr.yml
@@ -59,6 +59,16 @@ on:
         required: false
         default: false
         type: boolean
+      transport-select:
+        description: 'Run only tests matching these transports (pipe-separated, e.g. "quic-v1"). Leave empty for all transports.'
+        required: false
+        default: 'quic-v1'
+        type: string
+      transport-ignore:
+        description: 'Ignore tests matching these transports (pipe-separated)'
+        required: false
+        default: ''
+        type: string
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -78,6 +88,8 @@ jobs:
       debug: ${{ steps.resolve.outputs.debug }}
       snapshot: ${{ steps.resolve.outputs.snapshot }}
       export-docker-images: ${{ steps.resolve.outputs.export-docker-images }}
+      transport-select: ${{ steps.resolve.outputs.transport-select }}
+      transport-ignore: ${{ steps.resolve.outputs.transport-ignore }}
       should-run-tests: ${{ steps.resolve.outputs.should-run-tests }}
     steps:
       - name: Checkout code
@@ -108,6 +120,8 @@ jobs:
             echo "debug=${{ github.event.inputs.debug }}" >> $GITHUB_OUTPUT
             echo "snapshot=${{ github.event.inputs.snapshot }}" >> $GITHUB_OUTPUT
             echo "export-docker-images=${{ github.event.inputs.export-docker-images }}" >> $GITHUB_OUTPUT
+            echo "transport-select=${{ github.event.inputs.transport-select }}" >> $GITHUB_OUTPUT
+            echo "transport-ignore=${{ github.event.inputs.transport-ignore }}" >> $GITHUB_OUTPUT
             echo "should-run-tests=true" >> $GITHUB_OUTPUT
             echo "→ Manual trigger: using workflow inputs"
           else
@@ -136,6 +150,11 @@ jobs:
             echo "debug=false" >> $GITHUB_OUTPUT
             echo "snapshot=true" >> $GITHUB_OUTPUT
             echo "export-docker-images=false" >> $GITHUB_OUTPUT
+            # Only run quic-v1 transport tests on automatic PRs to keep CI fast.
+            # The full transport matrix (tcp, ws, quic-v1) takes ~1.5 hrs;
+            # scoping to quic-v1 only reduces this to ~15 min.
+            echo "transport-select=quic-v1" >> $GITHUB_OUTPUT
+            echo "transport-ignore=" >> $GITHUB_OUTPUT
             echo "should-run-tests=${{ steps.detect.outputs.has-changes }}" >> $GITHUB_OUTPUT
             echo "→ Automatic trigger: using change detection outputs"
           fi
@@ -162,3 +181,5 @@ jobs:
           force-matrix-rebuild: ${{ needs.resolve-parameters.outputs.force-matrix-rebuild }}
           force-image-rebuild: ${{ needs.resolve-parameters.outputs.force-image-rebuild }}
           debug: ${{ needs.resolve-parameters.outputs.debug }}
+          transport-select: '${{ needs.resolve-parameters.outputs.transport-select }}'
+          transport-ignore: '${{ needs.resolve-parameters.outputs.transport-ignore }}'
diff --git a/perf/images.yaml b/perf/images.yaml
index 0612b65..d06d7c8 100644
--- a/perf/images.yaml
+++ b/perf/images.yaml
@@ -9,7 +9,9 @@ test-aliases:
   - alias: "none"
     value: "!~all"
   - alias: "images"
-    value: "dotnet-v1.0|go-v0.45|js-v3.x|rust-v0.56"
+    value: "dotnet-v1.0|go-v0.45|js-v3.x|python-v0.x|rust-v0.56"
+  - alias: "python"
+    value: "python-v0.x"
   - alias: "baselines"
     value: "https|quic-go|iperf"
   - alias: "go"
@@ -96,3 +98,22 @@ implementations:
     secureChannels: [noise, tls]
     muxers: [yamux]
 
+  # Python implementation (github snapshot; Dockerfile uses repo-root context like interop/transport)
+  - id: python-v0.x
+    source:
+      type: github
+      repo: sumanjeet0012/py-libp2p
+      commit: 88a3df81fcce0f1444d89867d04f13b2b5c3fdd0
+      dockerfile: interop/perf/Dockerfile
+    transports: [quic-v1, tcp, ws]
+    secureChannels: [noise, tls]
+    muxers: [yamux, mplex]
+  # Local python config (same Dockerfile; context = repo root = images/python/v0.x/py-libp2p)
+  # - id: python-v0.x
+  #   source:
+  #     type: local
+  #     path: images/python/v0.x/py-libp2p
+  #     dockerfile: interop/perf/Dockerfile
+  #   transports: [quic-v1, tcp, ws]
+  #   secureChannels: [noise, tls]
+  #   muxers: [yamux, mplex]
diff --git a/perf/lib/run-single-test.sh b/perf/lib/run-single-test.sh
index 5c98af9..b185db8 100755
--- a/perf/lib/run-single-test.sh
+++ b/perf/lib/run-single-test.sh
@@ -195,8 +195,8 @@ fi
 log_debug "  Starting containers..."
 log_message "Running: ${TEST_NAME}"
 
-# Set timeout (300 seconds / 5 minutes)
-TEST_TIMEOUT=300
+# Set timeout (7200 seconds / 120 minutes)
+TEST_TIMEOUT=7200
 
 # Track test duration
 TEST_START=$(date +%s)