diff --git a/dist/schemas/config_v3.schema.json b/dist/schemas/config_v3.schema.json
index 89d69d1..8176ac6 100644
--- a/dist/schemas/config_v3.schema.json
+++ b/dist/schemas/config_v3.schema.json
@@ -5744,6 +5744,18 @@
       },
       "title": "Telemetry options"
     },
+    "concurrentRunners": {
+      "type": [
+        "integer",
+        "boolean"
+      ],
+      "default": 1,
+      "minimum": 1,
+      "description": "Number of concurrent test runners. Set to true to use CPU core count (capped at 4).",
+      "not": {
+        "const": false
+      }
+    },
     "environment": {
       "type": "object",
       "description": "Environment information for the system running Doc Detective.",
@@ -10588,6 +10600,15 @@
         "platform": "windows",
         "arch": "x64"
       }
+    },
+    {
+      "concurrentRunners": 1
+    },
+    {
+      "concurrentRunners": true
+    },
+    {
+      "concurrentRunners": 4
     }
   ]
 }
\ No newline at end of file
diff --git a/dist/schemas/resolvedTests_v3.schema.json b/dist/schemas/resolvedTests_v3.schema.json
index 41adc54..6988460 100644
--- a/dist/schemas/resolvedTests_v3.schema.json
+++ b/dist/schemas/resolvedTests_v3.schema.json
@@ -5757,6 +5757,18 @@
           },
           "title": "Telemetry options"
         },
+        "concurrentRunners": {
+          "type": [
+            "integer",
+            "boolean"
+          ],
+          "default": 1,
+          "minimum": 1,
+          "description": "Number of concurrent test runners. Set to true to use CPU core count (capped at 4).",
+          "not": {
+            "const": false
+          }
+        },
         "environment": {
           "type": "object",
           "description": "Environment information for the system running Doc Detective.",
@@ -10601,6 +10613,15 @@
             "platform": "windows",
             "arch": "x64"
           }
+        },
+        {
+          "concurrentRunners": 1
+        },
+        {
+          "concurrentRunners": true
+        },
+        {
+          "concurrentRunners": 4
         }
       ]
     },
diff --git a/src/schemas/output_schemas/config_v3.schema.json b/src/schemas/output_schemas/config_v3.schema.json
index 89d69d1..8176ac6 100644
--- a/src/schemas/output_schemas/config_v3.schema.json
+++ b/src/schemas/output_schemas/config_v3.schema.json
@@ -5744,6 +5744,18 @@
       },
       "title": "Telemetry options"
     },
+    "concurrentRunners": {
+      "type": [
+        "integer",
+        "boolean"
+      ],
+      "default": 1,
+      "minimum": 1,
+      "description": "Number of concurrent test runners. Set to true to use CPU core count (capped at 4).",
+      "not": {
+        "const": false
+      }
+    },
     "environment": {
       "type": "object",
       "description": "Environment information for the system running Doc Detective.",
@@ -10588,6 +10600,15 @@
         "platform": "windows",
         "arch": "x64"
       }
+    },
+    {
+      "concurrentRunners": 1
+    },
+    {
+      "concurrentRunners": true
+    },
+    {
+      "concurrentRunners": 4
     }
   ]
 }
\ No newline at end of file
diff --git a/src/schemas/output_schemas/resolvedTests_v3.schema.json b/src/schemas/output_schemas/resolvedTests_v3.schema.json
index 41adc54..6988460 100644
--- a/src/schemas/output_schemas/resolvedTests_v3.schema.json
+++ b/src/schemas/output_schemas/resolvedTests_v3.schema.json
@@ -5757,6 +5757,18 @@
           },
           "title": "Telemetry options"
         },
+        "concurrentRunners": {
+          "type": [
+            "integer",
+            "boolean"
+          ],
+          "default": 1,
+          "minimum": 1,
+          "description": "Number of concurrent test runners. Set to true to use CPU core count (capped at 4).",
+          "not": {
+            "const": false
+          }
+        },
         "environment": {
           "type": "object",
           "description": "Environment information for the system running Doc Detective.",
@@ -10601,6 +10613,15 @@
             "platform": "windows",
             "arch": "x64"
           }
+        },
+        {
+          "concurrentRunners": 1
+        },
+        {
+          "concurrentRunners": true
+        },
+        {
+          "concurrentRunners": 4
         }
       ]
     },
diff --git a/src/schemas/schemas.json b/src/schemas/schemas.json
index 50ca663..e1c19dd 100644
--- a/src/schemas/schemas.json
+++ b/src/schemas/schemas.json
@@ -6006,6 +6006,18 @@
         },
         "title": "Telemetry options"
       },
+      "concurrentRunners": {
+        "type": [
+          "integer",
+          "boolean"
+        ],
+        "default": 1,
+        "minimum": 1,
+        "description": "Number of concurrent test runners. Set to true to use CPU core count (capped at 4).",
+        "not": {
+          "const": false
+        }
+      },
       "environment": {
         "type": "object",
         "description": "Environment information for the system running Doc Detective.",
@@ -10850,6 +10862,15 @@
           "platform": "windows",
           "arch": "x64"
         }
+      },
+      {
+        "concurrentRunners": 1
+      },
+      {
+        "concurrentRunners": true
+      },
+      {
+        "concurrentRunners": 4
       }
     ]
   },
@@ -19011,6 +19032,18 @@
             },
             "title": "Telemetry options"
           },
+          "concurrentRunners": {
+            "type": [
+              "integer",
+              "boolean"
+            ],
+            "default": 1,
+            "minimum": 1,
+            "description": "Number of concurrent test runners. Set to true to use CPU core count (capped at 4).",
+            "not": {
+              "const": false
+            }
+          },
           "environment": {
             "type": "object",
             "description": "Environment information for the system running Doc Detective.",
@@ -23855,6 +23888,15 @@
               "platform": "windows",
               "arch": "x64"
             }
+          },
+          {
+            "concurrentRunners": 1
+          },
+          {
+            "concurrentRunners": true
+          },
+          {
+            "concurrentRunners": 4
           }
         ]
       },
diff --git a/src/schemas/src_schemas/config_v3.schema.json b/src/schemas/src_schemas/config_v3.schema.json
index 30531db..ca6fc43 100644
--- a/src/schemas/src_schemas/config_v3.schema.json
+++ b/src/schemas/src_schemas/config_v3.schema.json
@@ -225,6 +225,15 @@
       },
       "title": "Telemetry options"
     },
+    "concurrentRunners": {
+      "type": ["integer", "boolean"],
+      "default": 1,
+      "minimum": 1,
+      "description": "Number of concurrent test runners. Set to true to use CPU core count (capped at 4).",
+      "not": {
+        "const": false
+      }
+    },
     "environment": {
       "$ref": "#/components/schemas/environment"
     }
@@ -449,6 +458,15 @@
         "platform": "windows",
         "arch": "x64"
       }
+    },
+    {
+      "concurrentRunners": 1
+    },
+    {
+      "concurrentRunners": true
+    },
+    {
+      "concurrentRunners": 4
     }
   ]
 }