diff --git a/src/Umbraco.Tests/Integration/ContentEventsTests.cs b/src/Umbraco.Tests/Integration/ContentEventsTests.cs
index 73f95c44a7..c0b66de2a0 100644
--- a/src/Umbraco.Tests/Integration/ContentEventsTests.cs
+++ b/src/Umbraco.Tests/Integration/ContentEventsTests.cs
@@ -22,6 +22,7 @@ using static Umbraco.Tests.Cache.DistributedCache.DistributedCacheTests;
 namespace Umbraco.Tests.Integration
 {
     [TestFixture]
+    [Category("Slow")]
     [UmbracoTest(Database = UmbracoTestOptions.Database.NewSchemaPerTest)]
     public class ContentEventsTests : TestWithSomeContentBase
     {
diff --git a/src/Umbraco.Tests/Scheduling/BackgroundTaskRunnerTests.cs b/src/Umbraco.Tests/Scheduling/BackgroundTaskRunnerTests.cs
index 38990405c4..66f6e2f3ef 100644
--- a/src/Umbraco.Tests/Scheduling/BackgroundTaskRunnerTests.cs
+++ b/src/Umbraco.Tests/Scheduling/BackgroundTaskRunnerTests.cs
@@ -13,6 +13,7 @@ namespace Umbraco.Tests.Scheduling
 {
     [TestFixture]
     [Timeout(30000)]
+    [Category("Slow")]
     public class BackgroundTaskRunnerTests
     {
         private ILogger _logger;
diff --git a/src/Umbraco.Tests/Services/ContentServiceTests.cs b/src/Umbraco.Tests/Services/ContentServiceTests.cs
index 0326ce0a15..f1a4db949c 100644
--- a/src/Umbraco.Tests/Services/ContentServiceTests.cs
+++ b/src/Umbraco.Tests/Services/ContentServiceTests.cs
@@ -34,6 +34,7 @@ namespace Umbraco.Tests.Services
     /// as well as configuration.
     /// </summary>
     [TestFixture]
+    [Category("Slow")]
     [UmbracoTest(Database = UmbracoTestOptions.Database.NewSchemaPerTest, PublishedRepositoryEvents = true, WithApplication = true)]
     public class ContentServiceTests : TestWithSomeContentBase
     {
diff --git a/src/Umbraco.Tests/Services/ContentTypeServiceTests.cs b/src/Umbraco.Tests/Services/ContentTypeServiceTests.cs
index c9f8ba52ad..8d316b7721 100644
--- a/src/Umbraco.Tests/Services/ContentTypeServiceTests.cs
+++ b/src/Umbraco.Tests/Services/ContentTypeServiceTests.cs
@@ -19,6 +19,7 @@ using Umbraco.Tests.Testing;
 namespace Umbraco.Tests.Services
 {
     [TestFixture]
+    [Category("Slow")]
     [Apartment(ApartmentState.STA)]
     [UmbracoTest(Database = UmbracoTestOptions.Database.NewSchemaPerTest, PublishedRepositoryEvents = true)]
     public class ContentTypeServiceTests : TestWithSomeContentBase
diff --git a/src/Umbraco.Tests/Services/Importing/PackageImportTests.cs b/src/Umbraco.Tests/Services/Importing/PackageImportTests.cs
index a810d4c644..5e6bb18159 100644
--- a/src/Umbraco.Tests/Services/Importing/PackageImportTests.cs
+++ b/src/Umbraco.Tests/Services/Importing/PackageImportTests.cs
@@ -16,6 +16,7 @@ using LightInject;
 namespace Umbraco.Tests.Services.Importing
 {
     [TestFixture]
+    [Category("Slow")]
     [Apartment(ApartmentState.STA)]
     [UmbracoTest(Database = UmbracoTestOptions.Database.NewSchemaPerTest)]
     public class PackageImportTests : TestWithSomeContentBase
diff --git a/src/Umbraco.Tests/Services/MemberServiceTests.cs b/src/Umbraco.Tests/Services/MemberServiceTests.cs
index 968b27a4f9..ea6dd8248e 100644
--- a/src/Umbraco.Tests/Services/MemberServiceTests.cs
+++ b/src/Umbraco.Tests/Services/MemberServiceTests.cs
@@ -24,6 +24,7 @@ using Umbraco.Web.Security.Providers;
 namespace Umbraco.Tests.Services
 {
     [TestFixture]
+    [Category("Slow")]
     [Apartment(ApartmentState.STA)]
     [UmbracoTest(Database = UmbracoTestOptions.Database.NewSchemaPerTest, PublishedRepositoryEvents = true, WithApplication = true)]
     public class MemberServiceTests : TestWithSomeContentBase