diff --git a/.github/workflows/devRun.yml b/.github/workflows/devRun.yml
index 2b6e8f83df..1221e4049c 100644
--- a/.github/workflows/devRun.yml
+++ b/.github/workflows/devRun.yml
@@ -1,6 +1,3 @@
-# This workflow will install Python dependencies, run tests and lint with a single version of Python
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
-
 name: Pre merge test
 
 on:
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index a79dfc21db..89bdc03230 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -1,6 +1,3 @@
-# This workflow will install Python dependencies, run tests and lint with a single version of Python
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
-
 name: Nightly regression tests
 
 on:
@@ -12,10 +9,31 @@ on:
         description: 'Custom pytest command'
         required: true
         default: '-m "not devRun"'
+        type: string
+      parallelism:
+        description: 'Number of machines to split tests'
+        required: false
+        default: 2
+        type: number
 
 jobs:
-  nightly:
+  setup-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - id: set-matrix
+        run: |
+          count=${{ github.event.inputs.parallelism || 2 }}
+          matrix=$(seq -s ',' 1 $count)
+          echo "matrix=$(jq -cn --argjson groups "[$matrix]" '{group: $groups}')" >> $GITHUB_OUTPUT
+
+  nightly-test:
+    needs: setup-matrix
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.setup-matrix.outputs.matrix) }}
     env:
       EMAIL: ${{ secrets.EMAIL }}
       PASSWORD: ${{ secrets.PASSWORD }}
@@ -39,16 +57,26 @@ jobs:
           key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
       - name: Install Dependencies
         run: poetry install --no-interaction --no-root
-      - name: Run custom pytest command
-        if: github.event_name == 'workflow_dispatch'
+      - name: Run Tests
         run: |
           source .venv/bin/activate
-          xvfb-run pytest ${{ github.event.inputs.pytest_command }} --base-url ${{ vars.BASE_URL }}
-      - name: Run default pytest command
-        if: github.event_name != 'workflow_dispatch'
+          xvfb-run pytest ${{ github.event.inputs.pytest_command || '-m "not devRun"' }} \
+            --base-url ${{ vars.BASE_URL }} \
+            --splits ${{ github.event.inputs.parallelism || 2 }} \
+            --group ${{ matrix.group }}
+
+  merge-reports:
+    needs: nightly-test
+    if: always()
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Merge Allure Results
         run: |
-          source .venv/bin/activate
-          xvfb-run pytest -m "not devRun" --base-url ${{ vars.BASE_URL }}
+          mkdir -p allure-results
+          for dir in artifacts/test-results-*/allure-results; do
+            cp -r $dir/* allure-results/
+          done
       - name: Link Git Information And Browser Version To Allure Report
         working-directory: allure-results
         if: always()