diff --git a/horreum-backend/src/main/java/io/hyperfoil/tools/horreum/svc/RunServiceImpl.java b/horreum-backend/src/main/java/io/hyperfoil/tools/horreum/svc/RunServiceImpl.java
index 4e8a80644..69b7b2177 100644
--- a/horreum-backend/src/main/java/io/hyperfoil/tools/horreum/svc/RunServiceImpl.java
+++ b/horreum-backend/src/main/java/io/hyperfoil/tools/horreum/svc/RunServiceImpl.java
@@ -752,7 +752,8 @@ public RunsSummary listAllRuns(String query, boolean matchAll, String roles, boo
          RunsSummary summary = new RunsSummary();
          // TODO: total does not consider the query but evaluating all the expressions would be expensive
          summary.total = trashed ? RunDAO.count() : RunDAO.count("trashed = false");
-         summary.runs = runs.stream().map(this::createSummary).collect(Collectors.toList());
+         summary.runs = new ArrayList<>(runs.size());
+         runs.forEach(r -> summary.runs.add(createSummary(r)));
          return summary;
       } catch (PersistenceException pe) {
          // In case of an error PostgreSQL won't let us execute another query in the same transaction
diff --git a/horreum-backend/src/main/java/io/hyperfoil/tools/horreum/svc/Util.java b/horreum-backend/src/main/java/io/hyperfoil/tools/horreum/svc/Util.java
index 1641816b9..2af55e206 100644
--- a/horreum-backend/src/main/java/io/hyperfoil/tools/horreum/svc/Util.java
+++ b/horreum-backend/src/main/java/io/hyperfoil/tools/horreum/svc/Util.java
@@ -144,7 +144,7 @@ static void addPaging(StringBuilder sql, Integer limit, Integer page, String sor
 
    static void addOrderBy(StringBuilder sql, String sort, SortDirection direction) {
       sort = sort == null || sort.trim().isEmpty() ? "start" : sort;
-      direction = direction == null ? SortDirection.Ascending : direction;
+      direction = direction == null ? SortDirection.Descending : direction;
       sql.append(" ORDER BY ").append(sort);
       addDirection(sql, direction);
    }
diff --git a/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/BaseServiceTest.java b/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/BaseServiceTest.java
index e893b3c70..7ee54a1fb 100644
--- a/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/BaseServiceTest.java
+++ b/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/BaseServiceTest.java
@@ -31,6 +31,7 @@
 import io.hyperfoil.tools.horreum.api.internal.services.AlertingService;
 import io.hyperfoil.tools.horreum.api.report.ReportComponent;
 import io.hyperfoil.tools.horreum.api.report.TableReportConfig;
+import io.hyperfoil.tools.horreum.api.services.DatasetService;
 import io.hyperfoil.tools.horreum.api.services.ExperimentService;
 import io.hyperfoil.tools.horreum.api.services.RunService;
 import io.hyperfoil.tools.horreum.bus.MessageBusChannels;
@@ -1019,4 +1020,17 @@ protected ArrayNode arrayOf(String... labels) {
       }
       return array;
    }
+
+   protected DatasetService.DatasetList listTestDatasets(long id, SortDirection direction){
+      StringBuilder url = new StringBuilder("/api/dataset/list/" + id);
+      if (direction != null) {
+         url.append("?direction=" + direction);
+      }
+      return jsonRequest()
+          .get(url.toString())
+          .then()
+          .statusCode(200)
+          .extract()
+          .as(DatasetService.DatasetList.class);
+   }
 }
diff --git a/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/DatasetServiceTest.java b/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/DatasetServiceTest.java
index 50c63acfb..4919024ab 100644
--- a/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/DatasetServiceTest.java
+++ b/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/DatasetServiceTest.java
@@ -16,6 +16,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.StreamSupport;
 
+import io.hyperfoil.tools.horreum.api.SortDirection;
 import io.hyperfoil.tools.horreum.api.internal.services.SqlService;
 import io.hyperfoil.tools.horreum.bus.MessageBusChannels;
 import jakarta.inject.Inject;
@@ -430,4 +431,30 @@ public void testEverythingPrivate() throws InterruptedException {
       }
    }
 
+   @org.junit.jupiter.api.Test
+   public void testDatasetListOrdering(){
+      String testname = "road-runner";
+      Test test = createTest(createExampleTest(testname));
+      BlockingQueue<Dataset.LabelsUpdatedEvent> updateQueue = eventConsumerQueue(Dataset.LabelsUpdatedEvent.class, MessageBusChannels.DATASET_UPDATED_LABELS, e -> checkTestId(e.datasetId, test.id));
+      long timestamp = System.currentTimeMillis();
+      int initialRunID = uploadRun(timestamp, timestamp,
+          JsonNodeFactory.instance.objectNode(),
+          test.name);
+      waitForDatasets(initialRunID);
+      timestamp = System.currentTimeMillis();
+      int latterRunID = uploadRun(timestamp, timestamp,
+          JsonNodeFactory.instance.objectNode(),
+          test.name);
+      waitForDatasets(latterRunID);
+      DatasetService.DatasetList datasetsList = listTestDatasets(test.id, null);
+      assertEquals(2, datasetsList.datasets.size());
+      assertEquals(0, datasetsList.datasets.get(0).ordinal);
+      assertEquals(initialRunID, datasetsList.datasets.get(1).runId);
+      assertEquals(latterRunID, datasetsList.datasets.get(0).runId);
+      datasetsList = null;
+      datasetsList = listTestDatasets(test.id, SortDirection.Ascending);
+      assertEquals(2, datasetsList.datasets.size());
+      assertEquals(initialRunID, datasetsList.datasets.get(0).runId);
+      assertEquals(latterRunID, datasetsList.datasets.get(1).runId);
+   }
 }
diff --git a/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/RunServiceTest.java b/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/RunServiceTest.java
index d7b827ad4..1ac24b092 100644
--- a/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/RunServiceTest.java
+++ b/horreum-backend/src/test/java/io/hyperfoil/tools/horreum/svc/RunServiceTest.java
@@ -4,6 +4,7 @@
 
 import java.io.IOException;
 
+import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -949,6 +950,46 @@ public void runExperiment() throws InterruptedException {
       }
    }
 
+   @org.junit.jupiter.api.Test
+   public void testAllRunsOrdering() throws IOException {
+      String name = "with_meta";
+      Test test = createTest(createExampleTest(name));
+      createSchema("Foo", "urn:foo");
+      createSchema("Bar", "urn:bar");
+      createSchema("Q", "urn:q");
+      Schema gooSchema = createSchema("Goo", "urn:goo");
+      Schema postSchema = createSchema("Post", "uri:Goo-post-function");
+
+      long now = System.currentTimeMillis();
+      ObjectNode data = simpleObject("urn:foo", "foo", "xxx");
+      ArrayNode metadata = JsonNodeFactory.instance.arrayNode();
+      metadata.add(simpleObject("urn:bar", "bar", "yyy"));
+
+      uploadRun(now, data, metadata, test.name);
+      now = System.currentTimeMillis();
+      uploadRun(now, data, metadata, test.name);
+
+      RunService.RunsSummary runs = jsonRequest()
+          .get("/api/run/list?limit=10&page=1&query=$.*")
+             .then()
+             .statusCode(200)
+             .extract()
+             .as(RunService.RunsSummary.class);
+
+      assertEquals(2, runs.runs.size());
+      assertEquals(name, runs.runs.get(0).testname);
+      assertTrue(runs.runs.get(0).start.isAfter(runs.runs.get(1).start) );
+
+      runs = jsonRequest()
+          .get("/api/run/list?limit=10&page=1&query=$.*&direction=Ascending" )
+          .then()
+          .statusCode(200)
+          .extract()
+          .as(RunService.RunsSummary.class);
+      assertEquals( 2, runs.runs.size());
+      assertTrue(runs.runs.get(0).start.isBefore(runs.runs.get(1).start) );
+   }
+
    private JsonNode getBySchema(JsonNode data, String schema) {
       JsonNode foo = StreamSupport.stream(data.spliterator(), false)
             .filter(item -> schema.equals(item.path("$schema").asText())).findFirst().orElse(null);