diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
index d144eeda62e..67223d9e409 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
@@ -93,7 +93,7 @@ jobs:
     - name: Get dependencies
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       run: |
-        
+
         # Get key to latest MySQL repo
         sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A8D3785C
         # Setup MySQL 8.0
@@ -139,7 +139,7 @@ jobs:
         cat <<-EOF>>./config/mycnf/mysql80.cnf
         binlog-transaction-compression=ON
         EOF
-        
+
         # run the tests however you normally do, then produce a JUnit XML file
         eatmydata -- go run test.go -docker=false -follow -shard onlineddl_vrepl | tee -a output.txt | go-junit-report -set-exit-code > report.xml
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml
index f64534d26cc..4c90c98bc64 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_mysql57.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl) mysql57
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
index 25d265a314b..63d85b6553d 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
@@ -93,7 +93,7 @@ jobs:
     - name: Get dependencies
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       run: |
-        
+
         # Get key to latest MySQL repo
         sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A8D3785C
         # Setup MySQL 8.0
@@ -139,7 +139,7 @@ jobs:
         cat <<-EOF>>./config/mycnf/mysql80.cnf
         binlog-transaction-compression=ON
         EOF
-        
+
         # run the tests however you normally do, then produce a JUnit XML file
         eatmydata -- go run test.go -docker=false -follow -shard onlineddl_vrepl_stress | tee -a output.txt | go-junit-report -set-exit-code > report.xml
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml
index a790b117642..5accfd8c658 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_mysql57.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress) mysql57
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite.yml
index db4589fe0f3..970598a33c6 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress_suite)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
@@ -93,7 +93,7 @@ jobs:
     - name: Get dependencies
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       run: |
-        
+
         # Get key to latest MySQL repo
         sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A8D3785C
         # Setup MySQL 8.0
@@ -139,7 +139,7 @@ jobs:
         cat <<-EOF>>./config/mycnf/mysql80.cnf
         binlog-transaction-compression=ON
         EOF
-        
+
         # run the tests however you normally do, then produce a JUnit XML file
         eatmydata -- go run test.go -docker=false -follow -shard onlineddl_vrepl_stress_suite | tee -a output.txt | go-junit-report -set-exit-code > report.xml
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml
index edaf62b9a75..edd5d667586 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_stress_suite_mysql57.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress_suite) mysql57
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite.yml
index 9c11bf06f9a..942d5d39115 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_suite)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
@@ -93,7 +93,7 @@ jobs:
     - name: Get dependencies
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       run: |
-        
+
         # Get key to latest MySQL repo
         sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A8D3785C
         # Setup MySQL 8.0
@@ -139,7 +139,7 @@ jobs:
         cat <<-EOF>>./config/mycnf/mysql80.cnf
         binlog-transaction-compression=ON
         EOF
-        
+
         # run the tests however you normally do, then produce a JUnit XML file
         eatmydata -- go run test.go -docker=false -follow -shard onlineddl_vrepl_suite | tee -a output.txt | go-junit-report -set-exit-code > report.xml
 
diff --git a/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml b/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml
index 3592da0740b..9f958ddd59c 100644
--- a/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml
+++ b/.github/workflows/cluster_endtoend_onlineddl_vrepl_suite_mysql57.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_suite) mysql57
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/cluster_endtoend_vreplication_basic.yml b/.github/workflows/cluster_endtoend_vreplication_basic.yml
index 0b1cca32b0e..c92b2db20e8 100644
--- a/.github/workflows/cluster_endtoend_vreplication_basic.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_basic.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (vreplication_basic)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
@@ -92,7 +92,7 @@ jobs:
     - name: Get dependencies
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       run: |
-        
+
         # Get key to latest MySQL repo
         sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A8D3785C
         # Setup MySQL 8.0
@@ -152,11 +152,11 @@ jobs:
         performance_schema=OFF
         slow-query-log=OFF
         EOF
-        
+
         cat <<-EOF>>./config/mycnf/mysql80.cnf
         binlog-transaction-compression=ON
         EOF
-        
+
         # run the tests however you normally do, then produce a JUnit XML file
         eatmydata -- go run test.go -docker=false -follow -shard vreplication_basic | tee -a output.txt | go-junit-report -set-exit-code > report.xml
 
diff --git a/.github/workflows/cluster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml b/.github/workflows/cluster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml
index 72f5d4fc57d..cf673c6e7ec 100644
--- a/.github/workflows/cluster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml
+++ b/.github/workflows/cluster_endtoend_vreplication_migrate_vdiff2_convert_tz.yml
@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: Run endtoend tests on Cluster (vreplication_migrate_vdiff2_convert_tz)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
@@ -92,7 +92,7 @@ jobs:
     - name: Get dependencies
       if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
       run: |
-        
+
         # Get key to latest MySQL repo
         sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A8D3785C
         # Setup MySQL 8.0
@@ -152,11 +152,11 @@ jobs:
         performance_schema=OFF
         slow-query-log=OFF
         EOF
-        
+
         cat <<-EOF>>./config/mycnf/mysql80.cnf
         binlog-transaction-compression=ON
         EOF
-        
+
         # run the tests however you normally do, then produce a JUnit XML file
         eatmydata -- go run test.go -docker=false -follow -shard vreplication_migrate_vdiff2_convert_tz | tee -a output.txt | go-junit-report -set-exit-code > report.xml
 
diff --git a/.github/workflows/docker_build_base.yml b/.github/workflows/docker_build_base.yml
index e40a029125a..adf4a4b5678 100644
--- a/.github/workflows/docker_build_base.yml
+++ b/.github/workflows/docker_build_base.yml
@@ -15,7 +15,7 @@ permissions: read-all
 jobs:
   build_and_push_base:
     name: Build and push vitess/base Docker images
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
@@ -77,7 +77,7 @@ jobs:
   build_and_push_k8s:
     needs: build_and_push_base
     name: Build and push vitess/k8s image
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
@@ -170,7 +170,7 @@ jobs:
   build_and_push_components:
     needs: build_and_push_k8s
     name: Build and push vitess components Docker images
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
diff --git a/.github/workflows/docker_build_lite.yml b/.github/workflows/docker_build_lite.yml
index 80cc888239b..4eedce1c966 100644
--- a/.github/workflows/docker_build_lite.yml
+++ b/.github/workflows/docker_build_lite.yml
@@ -15,7 +15,7 @@ permissions: read-all
 jobs:
   build_and_push:
     name: Build and push vitess/lite Docker images
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
@@ -70,4 +70,4 @@ jobs:
           context: .
           file: ${{ env.DOCKERFILE }}
           push: true
-          tags: ${{ env.DOCKER_TAG }}
\ No newline at end of file
+          tags: ${{ env.DOCKER_TAG }}
diff --git a/.github/workflows/docker_build_vttestserver.yml b/.github/workflows/docker_build_vttestserver.yml
index 927e55be3e0..08089eb6073 100644
--- a/.github/workflows/docker_build_vttestserver.yml
+++ b/.github/workflows/docker_build_vttestserver.yml
@@ -15,7 +15,7 @@ permissions: read-all
 jobs:
   build_and_push:
     name: Build and push vitess/vttestserver Docker images
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     if: github.repository == 'vitessio/vitess'
 
     strategy:
@@ -62,4 +62,4 @@ jobs:
           context: .
           file: ${{ env.DOCKERFILE }}
           push: true
-          tags: ${{ env.DOCKER_TAG }}
\ No newline at end of file
+          tags: ${{ env.DOCKER_TAG }}
diff --git a/.github/workflows/local_example.yml b/.github/workflows/local_example.yml
index d7ae2071b58..ccdb06eed62 100644
--- a/.github/workflows/local_example.yml
+++ b/.github/workflows/local_example.yml
@@ -5,7 +5,7 @@ jobs:
 
   build:
     name: Local example using ${{ matrix.topo }} on ubuntu-22.04
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     strategy:
       matrix:
         topo: [consul,etcd,zk2]
@@ -81,7 +81,7 @@ jobs:
           echo mysql-apt-config mysql-apt-config/select-server select mysql-8.0 | sudo debconf-set-selections
           sudo DEBIAN_FRONTEND="noninteractive" dpkg -i mysql-apt-config*
           sudo apt-get update
-        
+
           # Install everything else we need, and configure
           sudo apt-get install -y mysql-server mysql-client make unzip g++ etcd curl git wget eatmydata
           sudo service mysql stop
diff --git a/.github/workflows/region_example.yml b/.github/workflows/region_example.yml
index 2b425e3e672..579f6d1bfe8 100644
--- a/.github/workflows/region_example.yml
+++ b/.github/workflows/region_example.yml
@@ -5,7 +5,7 @@ jobs:
 
   build:
     name: Region Sharding example using ${{ matrix.topo }} on ubuntu-22.04
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     strategy:
       matrix:
         topo: [etcd]
diff --git a/.github/workflows/unit_race.yml b/.github/workflows/unit_race.yml
index dd47df3277e..8ccc70d345b 100644
--- a/.github/workflows/unit_race.yml
+++ b/.github/workflows/unit_race.yml
@@ -10,7 +10,7 @@ jobs:
 
   build:
     name: Unit Test (Race)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
     steps:
     - name: Skip CI
       run: |
diff --git a/.github/workflows/upgrade_downgrade_test_backups_e2e.yml b/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
index 4b9e4519a9e..2651d0f6360 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
@@ -13,7 +13,7 @@ jobs:
   upgrade_downgrade_test_e2e:
     timeout-minutes: 60
     name: Run Upgrade Downgrade Test - Backups - E2E
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_backups_e2e_next_release.yml b/.github/workflows/upgrade_downgrade_test_backups_e2e_next_release.yml
index f186b7a1476..8342baf9622 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_e2e_next_release.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_e2e_next_release.yml
@@ -14,7 +14,7 @@ jobs:
   upgrade_downgrade_test_e2e:
     timeout-minutes: 60
     name: Run Upgrade Downgrade Test - Backups - E2E - Next Release
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_backups_manual.yml b/.github/workflows/upgrade_downgrade_test_backups_manual.yml
index 2058aacdcab..3cd21f5ca73 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_manual.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_manual.yml
@@ -15,7 +15,7 @@ jobs:
   upgrade_downgrade_test_manual:
     timeout-minutes: 40
     name: Run Upgrade Downgrade Test - Backups - Manual
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_backups_manual_next_release.yml b/.github/workflows/upgrade_downgrade_test_backups_manual_next_release.yml
index 1df8cd75a04..b78bf42927f 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_manual_next_release.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_manual_next_release.yml
@@ -15,7 +15,7 @@ jobs:
   upgrade_downgrade_test_manual:
     timeout-minutes: 40
     name: Run Upgrade Downgrade Test - Backups - Manual - Next Release
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml b/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml
index 90963a57dc0..03436980024 100644
--- a/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml
+++ b/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Query Serving (Queries)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_query_serving_queries_next_release.yml b/.github/workflows/upgrade_downgrade_test_query_serving_queries_next_release.yml
index 719a33ed6fb..05685f47306 100644
--- a/.github/workflows/upgrade_downgrade_test_query_serving_queries_next_release.yml
+++ b/.github/workflows/upgrade_downgrade_test_query_serving_queries_next_release.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Query Serving (Queries) Next Release
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_query_serving_schema.yml b/.github/workflows/upgrade_downgrade_test_query_serving_schema.yml
index aa7c5ae0e08..b28bb06ed8d 100644
--- a/.github/workflows/upgrade_downgrade_test_query_serving_schema.yml
+++ b/.github/workflows/upgrade_downgrade_test_query_serving_schema.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Query Serving (Schema)
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_query_serving_schema_next_release.yml b/.github/workflows/upgrade_downgrade_test_query_serving_schema_next_release.yml
index 67fe892d7c2..267e1552054 100644
--- a/.github/workflows/upgrade_downgrade_test_query_serving_schema_next_release.yml
+++ b/.github/workflows/upgrade_downgrade_test_query_serving_schema_next_release.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Query Serving (Schema) Next Release
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_reparent_new_vtctl.yml b/.github/workflows/upgrade_downgrade_test_reparent_new_vtctl.yml
index 20dad7e25f4..9bd76120b66 100644
--- a/.github/workflows/upgrade_downgrade_test_reparent_new_vtctl.yml
+++ b/.github/workflows/upgrade_downgrade_test_reparent_new_vtctl.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Reparent New Vtctl
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_reparent_new_vttablet.yml b/.github/workflows/upgrade_downgrade_test_reparent_new_vttablet.yml
index a19ad261ab6..85e9414b707 100644
--- a/.github/workflows/upgrade_downgrade_test_reparent_new_vttablet.yml
+++ b/.github/workflows/upgrade_downgrade_test_reparent_new_vttablet.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Reparent New VTTablet
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_reparent_old_vtctl.yml b/.github/workflows/upgrade_downgrade_test_reparent_old_vtctl.yml
index 48e7e22f45e..f810c40f001 100644
--- a/.github/workflows/upgrade_downgrade_test_reparent_old_vtctl.yml
+++ b/.github/workflows/upgrade_downgrade_test_reparent_old_vtctl.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Reparent Old Vtctl
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI
diff --git a/.github/workflows/upgrade_downgrade_test_reparent_old_vttablet.yml b/.github/workflows/upgrade_downgrade_test_reparent_old_vttablet.yml
index cf164d5d21e..0e80df141f0 100644
--- a/.github/workflows/upgrade_downgrade_test_reparent_old_vttablet.yml
+++ b/.github/workflows/upgrade_downgrade_test_reparent_old_vttablet.yml
@@ -16,7 +16,7 @@ jobs:
 
   upgrade_downgrade_test:
     name: Run Upgrade Downgrade Test - Reparent Old VTTablet
-    runs-on: gh-hosted-runners-16cores-1
+    runs-on: ${{ github.repository_owner == 'vitessio' && 'gh-hosted-runners-16cores-1' || 'ubuntu-latest' }}
 
     steps:
     - name: Skip CI