diff --git a/src/core/components/live-response.jsx b/src/core/components/live-response.jsx
index 550208fa..7c6f1384 100644
--- a/src/core/components/live-response.jsx
+++ b/src/core/components/live-response.jsx
@@ -8,11 +8,23 @@ const Headers = ( { headers } )=>{
       <pre>{headers}</pre>
     </div>)
 }
-
 Headers.propTypes = {
   headers: PropTypes.array.isRequired
 }
 
+const Duration = ( { duration } ) => {
+  return (
+    <div>
+      <h5>Request duration</h5>
+      <pre>{duration} ms</pre>
+    </div>
+  )
+}
+Duration.propTypes = {
+  duration: PropTypes.number.isRequired
+}
+
+
 export default class LiveResponse extends React.Component {
   static propTypes = {
     response: PropTypes.object.isRequired,
@@ -27,6 +39,7 @@ export default class LiveResponse extends React.Component {
     const headers = response.get("headers").toJS()
     const notDocumented = response.get("notDocumented")
     const isError = response.get("error")
+    const duration = response.get("duration")
 
     const body = isError ? response.get("response").get("text") : response.get("text")
 
@@ -80,6 +93,9 @@ export default class LiveResponse extends React.Component {
                 {
                   hasHeaders ? <Headers headers={ returnObject }/> : null
                 }
+                {
+                  duration ? <Duration duration={ duration } /> : null
+                }
               </td>
             </tr>
           </tbody>
diff --git a/src/core/plugins/spec/actions.js b/src/core/plugins/spec/actions.js
index d531630a..9424891e 100644
--- a/src/core/plugins/spec/actions.js
+++ b/src/core/plugins/spec/actions.js
@@ -207,8 +207,14 @@ export const executeRequest = (req) => ({fn, specActions, specSelectors}) => {
 
   specActions.setRequest(req.pathName, req.method, parsedRequest)
 
+  // track duration of request
+  const startTime = Date.now()
+
   return fn.execute(req)
-  .then( res => specActions.setResponse(req.pathName, req.method, res))
+  .then( res => {
+    res.duration = Date.now() - startTime
+    specActions.setResponse(req.pathName, req.method, res)
+  } )
   .catch( err => specActions.setResponse(req.pathName, req.method, { error: true, err: serializeError(err) } ) )
 }