diff --git a/pkg/cmd/clustertask/describe.go b/pkg/cmd/clustertask/describe.go
index e29fb317a..433be6ab4 100644
--- a/pkg/cmd/clustertask/describe.go
+++ b/pkg/cmd/clustertask/describe.go
@@ -28,6 +28,7 @@ import (
 	"github.com/tektoncd/cli/pkg/clustertask"
 	"github.com/tektoncd/cli/pkg/formatted"
 	"github.com/tektoncd/cli/pkg/taskrun/list"
+	trsort "github.com/tektoncd/cli/pkg/taskrun/sort"
 	"github.com/tektoncd/pipeline/pkg/apis/pipeline/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
@@ -182,6 +183,7 @@ func printClusterTaskDescription(s *cli.Stream, p cli.Params, tname string) erro
 		fmt.Fprintf(s.Err, "failed to get taskruns for clustertask %s \n", tname)
 		return err
 	}
+	trsort.SortByStartTime(taskRuns.Items)
 
 	var data = struct {
 		ClusterTask *v1beta1.ClusterTask
diff --git a/pkg/cmd/clustertask/describe_test.go b/pkg/cmd/clustertask/describe_test.go
index 26f4c54b3..b98846ea0 100644
--- a/pkg/cmd/clustertask/describe_test.go
+++ b/pkg/cmd/clustertask/describe_test.go
@@ -125,7 +125,7 @@ func Test_ClusterTaskDescribe(t *testing.T) {
 				tb.TaskRunResources(tb.TaskRunResourcesOutput("my-image", tb.TaskResourceBindingRef("image"))),
 			),
 			tb.TaskRunStatus(
-				tb.TaskRunStartTime(clock.Now().Add(-10*time.Minute)),
+				tb.TaskRunStartTime(clock.Now().Add(-12*time.Minute)),
 				tb.StatusCondition(apis.Condition{
 					Status: corev1.ConditionUnknown,
 					Reason: resources.ReasonRunning,
diff --git a/pkg/cmd/clustertask/testdata/Test_ClusterTaskDescribe-Describe_full_clustertask_multiple_taskruns.golden b/pkg/cmd/clustertask/testdata/Test_ClusterTaskDescribe-Describe_full_clustertask_multiple_taskruns.golden
index 20a9e43e5..8b36ad4aa 100644
--- a/pkg/cmd/clustertask/testdata/Test_ClusterTaskDescribe-Describe_full_clustertask_multiple_taskruns.golden
+++ b/pkg/cmd/clustertask/testdata/Test_ClusterTaskDescribe-Describe_full_clustertask_multiple_taskruns.golden
@@ -26,5 +26,5 @@ Taskruns
 
 NAME        STARTED          DURATION     STATUS
 taskrun-1   10 minutes ago   27 minutes   Succeeded
-taskrun-3   10 minutes ago   ---          Running
+taskrun-3   12 minutes ago   ---          Running