diff --git a/src/models/Runner.ts b/src/models/Runner.ts
index 3db90fc..dc2cbe2 100644
--- a/src/models/Runner.ts
+++ b/src/models/Runner.ts
@@ -4,6 +4,7 @@ import { Participant } from "./Participant";
 import { RunnerGroup } from "./RunnerGroup";
 import { DistanceDonation } from "./DistanceDonation";
 import { RunnerCard } from "./RunnerCard";
+import { Scan } from "./Scan";
 
 /**
  * Defines a runner.
@@ -29,4 +30,10 @@ export class Runner extends Participant {
    */
   @OneToMany(() => RunnerCard, card => card.runner)
   cards: RunnerCard[];
+
+  /**
+   * Used to link runners to a scans
+   */
+  @OneToMany(() => Scan, scan => scan.runner)
+  scans: Scan[];
 }
diff --git a/src/models/Scan.ts b/src/models/Scan.ts
index 3991b7a..51d71c3 100644
--- a/src/models/Scan.ts
+++ b/src/models/Scan.ts
@@ -1,4 +1,4 @@
-import { PrimaryGeneratedColumn, Column } from "typeorm";
+import { PrimaryGeneratedColumn, Column, ManyToOne } from "typeorm";
 import {
   IsInt,
   IsNotEmpty,
@@ -24,7 +24,7 @@ export abstract class Scan {
    */
   @Column()
   @IsNotEmpty()
-  //TODO: Relationship
+  @ManyToOne(() => Runner, runner => runner.scans)
   runner: Runner;
 
   /**