diff --git a/src/controllers/StatsController.ts b/src/controllers/StatsController.ts
index 9d147c0..5df9126 100644
--- a/src/controllers/StatsController.ts
+++ b/src/controllers/StatsController.ts
@@ -30,6 +30,7 @@ export class StatsController {
             "total_scans": scans.filter(scan => { scan.valid === true }).length,
             "total_distance": runners.reduce((sum, current) => sum + current.distance, 0),
             "total_donation_amount": donations.reduce((sum, current) => sum + current.amount, 0),
+            "average_distance": runners.reduce((sum, current) => sum + current.distance, 0) / runners.length,
         };
     }
 
@@ -37,8 +38,7 @@ export class StatsController {
     @UseBefore(StatsAuth)
     @OpenAPI({ description: "Returns the top ten runners by distance.", security: [{ "StatsApiToken": [] }] })
     async getTopRunnersByDistance() {
-        let connection = getConnection();
-        let runners = await connection.getRepository(Runner).find({ relations: ["scans"] });
+        let runners = await getConnection().getRepository(Runner).find({ relations: ["scans"] });
         return runners.sort((runner1, runner2) => runner1.distance - runner2.distance).slice(0, 9);
     }
 
@@ -46,21 +46,24 @@ export class StatsController {
     @UseBefore(StatsAuth)
     @OpenAPI({ description: "Returns the top ten runners by donations.", security: [{ "StatsApiToken": [] }] })
     async getTopRunnersByDonations() {
-        throw new Error("Not implemented yet.")
+        let runners = await getConnection().getRepository(Runner).find({ relations: ["scans", "distanceDonations"] });
+        return runners.sort((runner1, runner2) => runner1.distanceDonationAmount - runner2.distanceDonationAmount).slice(0, 9);
     }
 
     @Get("/teams/distance")
     @UseBefore(StatsAuth)
     @OpenAPI({ description: "Returns the top ten teams by distance.", security: [{ "StatsApiToken": [] }] })
     async getTopTeamsByDistance() {
-        throw new Error("Not implemented yet.")
+        let teams = await getConnection().getRepository(RunnerTeam).find({ relations: ["runners", "runners.scans"] });
+        return teams.sort((team1, team2) => team1.distance - team2.distance).slice(0, 9);
     }
 
     @Get("/teams/donations")
     @UseBefore(StatsAuth)
     @OpenAPI({ description: "Returns the top ten teams by donations.", security: [{ "StatsApiToken": [] }] })
     async getTopTeamsByDonations() {
-        throw new Error("Not implemented yet.")
+        let teams = await getConnection().getRepository(RunnerTeam).find({ relations: ["runners", "runners.scans", "runners.distanceDonations"] });
+        return teams.sort((team1, team2) => team1.distanceDonationAmount - team2.distanceDonationAmount).slice(0, 9);
     }
 
     @Get("/organisations/distance")
diff --git a/src/models/entities/Runner.ts b/src/models/entities/Runner.ts
index def167d..1c509d6 100644
--- a/src/models/entities/Runner.ts
+++ b/src/models/entities/Runner.ts
@@ -58,4 +58,12 @@ export class Runner extends Participant {
   public get distance(): number {
     return this.validScans.reduce((sum, current) => sum + current.distance, 0);
   }
+
+  /**
+   * Returns the total donations a runner has collected based on his linked donations and distance ran.
+  */
+  @IsInt()
+  public get distanceDonationAmount(): number {
+    return this.distanceDonations.reduce((sum, current) => sum + current.amountPerDistance, 0) * this.distance;
+  }
 }
\ No newline at end of file
diff --git a/src/models/entities/RunnerGroup.ts b/src/models/entities/RunnerGroup.ts
index 4256f6e..b5bcfcd 100644
--- a/src/models/entities/RunnerGroup.ts
+++ b/src/models/entities/RunnerGroup.ts
@@ -44,4 +44,20 @@ export abstract class RunnerGroup {
    */
   @OneToMany(() => Runner, runner => runner.group, { nullable: true })
   runners: Runner[];
+
+  /**
+   * Returns the total distance ran by this group's runners based on all their valid scans.
+  */
+  @IsInt()
+  public get distance(): number {
+    return this.runners.reduce((sum, current) => sum + current.distance, 0);
+  }
+
+  /**
+   * Returns the total donations a runner has collected based on his linked donations and distance ran.
+  */
+  @IsInt()
+  public get distanceDonationAmount(): number {
+    return this.runners.reduce((sum, current) => sum + current.distanceDonationAmount, 0);
+  }
 }
\ No newline at end of file