diff --git a/Tasks/Lab10/RankingService/RankingService.sln b/Tasks/Lab10/RankingService/RankingService.sln
new file mode 100644
index 0000000..25a4851
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.10.34928.147
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RankingService", "RankingService\RankingService.csproj", "{BC31F4B3-2FAF-4E74-BDFB-B642F8F74D35}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BC31F4B3-2FAF-4E74-BDFB-B642F8F74D35}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BC31F4B3-2FAF-4E74-BDFB-B642F8F74D35}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BC31F4B3-2FAF-4E74-BDFB-B642F8F74D35}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BC31F4B3-2FAF-4E74-BDFB-B642F8F74D35}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {93368568-85F1-41B9-983B-B459F5C738D4}
+	EndGlobalSection
+EndGlobal
diff --git a/Tasks/Lab10/RankingService/RankingService/Competitor.cs b/Tasks/Lab10/RankingService/RankingService/Competitor.cs
new file mode 100644
index 0000000..c6489ad
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService/Competitor.cs
@@ -0,0 +1,8 @@
+namespace RankingService
+{
+    public class Competitor
+    {
+        public string? Name { get; set; }
+        public string? Time { get; set; }
+    }
+}
diff --git a/Tasks/Lab10/RankingService/RankingService/Program.cs b/Tasks/Lab10/RankingService/RankingService/Program.cs
new file mode 100644
index 0000000..2b7ea26
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService/Program.cs
@@ -0,0 +1,33 @@
+using Microsoft.OpenApi.Models;
+using System.Net;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(
+    (options) =>
+    {
+        options.SwaggerDoc(
+            "v1",
+            new OpenApiInfo
+            {
+                Version = "v1",
+                Title = "Ranking API",
+                Description = "List rankings"
+            });
+    });
+
+// Add services to the container.
+
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseAuthorization();
+app.MapControllers();
+app.Run();
diff --git a/Tasks/Lab10/RankingService/RankingService/Properties/launchSettings.json b/Tasks/Lab10/RankingService/RankingService/Properties/launchSettings.json
new file mode 100644
index 0000000..eeda355
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService/Properties/launchSettings.json
@@ -0,0 +1,31 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:31447",
+      "sslPort": 0
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "Rankings",
+      "applicationUrl": "http://localhost:5072",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "Rankings",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}
diff --git a/Tasks/Lab10/RankingService/RankingService/RankingService.csproj b/Tasks/Lab10/RankingService/RankingService/RankingService.csproj
new file mode 100644
index 0000000..e0838c6
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService/RankingService.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="6.6.2" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="6.6.2" />
+  </ItemGroup>
+
+</Project>
diff --git a/Tasks/Lab10/RankingService/RankingService/RankingService.http b/Tasks/Lab10/RankingService/RankingService/RankingService.http
new file mode 100644
index 0000000..6b9d939
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService/RankingService.http
@@ -0,0 +1,6 @@
+@RankingService_HostAddress = http://localhost:5072
+
+GET {{RankingService_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###
diff --git a/Tasks/Lab10/RankingService/RankingService/RankingsController.cs b/Tasks/Lab10/RankingService/RankingService/RankingsController.cs
new file mode 100644
index 0000000..715d536
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService/RankingsController.cs
@@ -0,0 +1,54 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace RankingService
+{
+    [Route("[controller]")]
+    [ApiController]
+    public class RankingsController : ControllerBase
+    {
+        private string[] ranks = {
+            "Mueller Stefan,02:31:14",
+            "Marti Adrian,2:30:09",
+            "Kiptum Daniel,2:11:31",
+            "Ancay Tarcis,2:20:02",
+            "Kreibuhl Christian,2:21:47",
+            "Ott Michael,2:33:48",
+            "Menzi Christoph,2:27:26",
+            "Oliver Ruben,2:32:12",
+            "Elmer Beat,2:33:53",
+            "Kuehni Martin,2:33:36"
+        };
+
+        private Lazy<List<Competitor>> competitors;
+
+        public RankingsController()
+        {
+            competitors = new Lazy<List<Competitor>>(
+                () =>
+                {
+                    List<Competitor> result = new();
+
+                    foreach (string rank in ranks)
+                    {
+                        string[] items = rank.Split(',');
+
+                        result.Add(
+                            new Competitor
+                            {
+                                Name = items[0],
+                                Time = items[1]
+                            });
+                    }
+
+                    return result;
+                });
+        }
+
+        [HttpGet]
+        public ActionResult<IEnumerable<Competitor>> Get()
+        {
+            return competitors.Value;
+        }
+    }
+}
diff --git a/Tasks/Lab10/RankingService/RankingService/appsettings.Development.json b/Tasks/Lab10/RankingService/RankingService/appsettings.Development.json
new file mode 100644
index 0000000..0c208ae
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}
diff --git a/Tasks/Lab10/RankingService/RankingService/appsettings.json b/Tasks/Lab10/RankingService/RankingService/appsettings.json
new file mode 100644
index 0000000..10f68b8
--- /dev/null
+++ b/Tasks/Lab10/RankingService/RankingService/appsettings.json
@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}