diff --git a/src/main/java/telraam/App.java b/src/main/java/telraam/App.java
index 4e6eb03..27be8c2 100644
--- a/src/main/java/telraam/App.java
+++ b/src/main/java/telraam/App.java
@@ -103,7 +103,7 @@ public void run(AppConfiguration configuration, Environment environment) throws
         jersey.register(new LapSourceSwitchoverResource(database.onDemand(LapSourceSwitchoverDAO.class)));
         jersey.register(new AcceptedLapsResource());
         jersey.register(new TimeResource());
-        jersey.register(new LapCountResource(database.onDemand(TeamDAO.class)));
+        jersey.register(new LapCountResource(database.onDemand(TeamDAO.class), database.onDemand(LapDAO.class)));
         jersey.register(new MonitoringResource(database));
         environment.healthChecks().register("template", new TemplateHealthCheck(configuration.getTemplate()));
 
diff --git a/src/main/java/telraam/api/LapCountResource.java b/src/main/java/telraam/api/LapCountResource.java
index b8ca04d..697bfa6 100644
--- a/src/main/java/telraam/api/LapCountResource.java
+++ b/src/main/java/telraam/api/LapCountResource.java
@@ -1,5 +1,6 @@
 package telraam.api;
 
+import telraam.database.daos.LapDAO;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.ws.rs.*;
@@ -9,7 +10,10 @@
 import telraam.database.models.Team;
 import telraam.util.AcceptedLapsUtil;
 
+import java.sql.Timestamp;
+import java.time.LocalDateTime;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 
@@ -18,9 +22,11 @@
 @Produces(MediaType.APPLICATION_JSON)
 public class LapCountResource {
     TeamDAO teamDAO;
+    LapDAO lapDAO;
 
-    public LapCountResource(TeamDAO teamDAO) {
+    public LapCountResource(TeamDAO teamDAO, LapDAO lapDAO) {
         this.teamDAO = teamDAO;
+        this.lapDAO = lapDAO;
     }
 
     @GET
@@ -53,4 +59,16 @@ public Map<String, Integer> getLapCounts() {
 
         return perName;
     }
+
+    // EndTimestamp should be a ISO formatted date timestamp
+    @GET
+    @Path("/{lapSourceId}/{teamId}")
+    public Integer getLapCountForLapSource(@PathParam("lapSourceId") Integer id, @PathParam("teamId") Integer teamId, @QueryParam("end") Optional<String> endTimestamp) {
+        LocalDateTime dateTime = LocalDateTime.now();
+        if (endTimestamp.isPresent()) {
+            dateTime = LocalDateTime.parse(endTimestamp.get());
+        }
+        List<Lap> laps = lapDAO.getAllForTeamBeforeTime(id, teamId, Timestamp.valueOf(dateTime));
+        return laps.size();
+    }
 }
diff --git a/src/main/java/telraam/database/daos/LapDAO.java b/src/main/java/telraam/database/daos/LapDAO.java
index f484f6f..078f35c 100644
--- a/src/main/java/telraam/database/daos/LapDAO.java
+++ b/src/main/java/telraam/database/daos/LapDAO.java
@@ -29,6 +29,10 @@ public interface LapDAO extends DAO<Lap> {
     @RegisterBeanMapper(Lap.class)
     List<Lap> getAllBySourceSorted(@Bind("lapSourceId") Integer lapSourceId);
 
+    @SqlQuery("SELECT * FROM lap WHERE lap_source_id = :lapSourceId AND timestamp <= :timestamp AND team_id = :teamId")
+    @RegisterBeanMapper(Lap.class)
+    List<Lap> getAllForTeamBeforeTime(@Bind("lapSourceId") Integer lapSourceId, @Bind("teamId") Integer teamId, @Bind("timestamp") Timestamp timestamp);
+
     @SqlUpdate("INSERT INTO lap (team_id, lap_source_id, timestamp) " +
             "VALUES (:teamId, :lapSourceId, :timestamp)")
     @GetGeneratedKeys({"id"})