diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 0d5388e64..75cee7444 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -207,6 +207,116 @@ jobs:
                       build/htmlcov/
                   retention-days: 30
 
+    benchmark-regression:
+        if: forgejo.event_name == 'pull_request'
+        runs-on: docker
+        container: 
+            image: python:3.13-slim
+        needs: [lint, typecheck]
+        steps:
+            - name: Install system dependencies (nodejs for checkout, git for merge tests)
+              run: |
+                  apt-get update && apt-get install -y -qq nodejs git && rm -rf /var/lib/apt/lists/*
+
+            - name: Checkout full history
+              uses: actions/checkout@v4
+              with:
+                  fetch-depth: 0
+                    
+            - name: Compute base commit
+              id: hash
+              run: |
+                  git fetch origin "${{ forgejo.base_ref }}" --depth=200
+                  BASE_SHA=$(git merge-base HEAD "origin/${{ forgejo.base_ref }}")
+                  echo "ASV_BASE_SHA=${BASE_SHA}" >> $FORGEJO_OUTPUT
+
+            - name: Install dependencies
+              run: |
+                  python -m pip install -U pip
+                  python -m pip install asv virtualenv uv==${{ env.UV_VERSION }} nox
+
+            - name: Restore prior ASV benchmarks
+              env:
+                  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+                  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+                  AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }}
+                  ASV_S3_BUCKET: ${{ secrets.ASV_S3_BUCKET }}
+              run: |
+                  python -m pip install awscli
+                  mkdir -p build/asv/results
+                  aws s3 sync "s3://${ASV_S3_BUCKET}/asv/results" build/asv/results --delete || true
+                
+            - name: Run asv continuous via nox
+              env:
+                  ASV_BASE_SHA:  ${{ steps.hash.outputs.ASV_BASE_SHA }}
+              run: |
+                  nox -s benchmark_regression
+
+            - name: Upload benchmark artifacts
+              if: always()
+              uses: actions/upload-artifact@v3
+              with:
+                  name: asv-results-pr
+                  path: |
+                      build/asv/results
+                      build/asv/html
+                  rentention-days: 30
+
+    benchmark-publish:
+        if: forgejo.event_name == 'push' && ( forgejo.ref == 'refs/heads/master' || forgejo.ref == 'refs/heads/develop' )
+        runs-on: docker
+        container: python:3.13-slim
+        steps:
+            - name: Install system dependencies (nodejs for checkout, git for merge tests)
+              run: |
+                  apt-get update && apt-get install -y -qq nodejs git && rm -rf /var/lib/apt/lists/*
+
+            - name: Checkout full history
+              uses: actions/checkout@v4
+              with:
+                  fetch-depth: 0
+
+            - name: Install dependencies
+              run: |
+                  python -m pip install -U pip
+                  python -m pip install asv virtualenv uv==${{ env.UV_VERSION }} nox
+
+            - name: Restore prior ASV benchmarks
+              env:
+                  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+                  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+                  AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }}
+                  ASV_S3_BUCKET: ${{ secrets.ASV_S3_BUCKET }}
+              run: |
+                  python -m pip install awscli
+                  mkdir -p build/asv/results
+                  aws s3 sync "s3://${ASV_S3_BUCKET}/asv/results" build/asv/results --delete || true
+
+            - name: Run asv via nox
+              run: |
+                  nox -s benchmark
+
+            - name: Upload updated benchmarks and website to S3
+              env:
+                  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+                  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+                  AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }}
+                  ASV_S3_BUCKET: ${{ secrets.ASV_S3_BUCKET }}
+              run: |
+                  python -m pip install awscli
+                  aws s3 sync build/asv/results "s3://${ASV_S3_BUCKET}/asv/results" --delete
+                  aws s3 sync build/asv/html "s3://${ASV_S3_BUCKET}/asv/html" --delete
+
+            - name: Upload benchmark artifacts 
+              if: always()
+              uses: actions/upload-artifact@v3
+              with:
+                  name: asv-results
+                  path: |
+                      build/asv/results
+                      build/asv/html
+                  rentention-days: 0
+
     build:
         runs-on: docker
         container:
diff --git a/noxfile.py b/noxfile.py
index 3e25b468c..b2b158cb0 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -688,10 +688,39 @@ def benchmark(session: nox.Session):
     session.install("-e", ".[tests]")
     config_path = "asv.conf.json"
     session.run("asv", "machine", "--yes", f"--config={config_path}")
-    session.run("asv", "run", "--show-stderr", "--verbose", f"--config={config_path}")
+    session.run(
+        "asv",
+        "run",
+        "--append-samples",
+        "--show-stderr",
+        "--verbose",
+        f"--config={config_path}",
+        success_codes=[0, 2],
+    )
     session.run("asv", "publish", f"--config={config_path}")
 
 
+@nox.session(python=DEFAULT_PYTHON, reuse_venv=True, venv_backend="uv")
+def benchmark_regression(session: nox.Session):
+    """Run Airspeed Velocity benchmarks regression test."""
+    session.install("-e", ".[tests]")
+    config_path = "asv.conf.json"
+    asv_base_sha = os.environ.get("ASV_BASE_SHA")
+    session.run("asv", "machine", "--yes", f"--config={config_path}")
+    session.run(
+        "asv",
+        "continuous",
+        "--append-samples",
+        "--show-stderr",
+        "--verbose",
+        f"--factor=1.10",
+        f"--config={config_path}",
+        asv_base_sha,
+        "HEAD",
+        success_codes=[0, 2],
+    )
+
+
 # Sessions to run by default when running `nox` without arguments
 nox.options.sessions = [
     "lint",  # ~5-10 seconds