diff --git a/test/mock-workflow/G4Stage1.libsonnet b/test/mock-workflow/G4Stage1.libsonnet
index 345593272..6dddee175 100644
--- a/test/mock-workflow/G4Stage1.libsonnet
+++ b/test/mock-workflow/G4Stage1.libsonnet
@@ -3,7 +3,7 @@ local generators = import 'SinglesGen.libsonnet';
 {
   largeant: {
     plugin: 'largeant',
-    duration_usec: 15662051,
+    duration_usec: 156, # Typical: 15662051
     inputs: [f + "/MCTruths" for f in std.objectFields(generators)],
     outputs: ["ParticleAncestryMap", "Assns", "SimEnergyDeposits", "AuxDetHits", "MCParticles"],
   }
diff --git a/test/mock-workflow/G4Stage2.libsonnet b/test/mock-workflow/G4Stage2.libsonnet
index 89482c453..40d7720ff 100644
--- a/test/mock-workflow/G4Stage2.libsonnet
+++ b/test/mock-workflow/G4Stage2.libsonnet
@@ -3,13 +3,13 @@ local g4stage1 = import 'G4Stage1.libsonnet';
 {
   IonAndScint: {
     plugin: 'ion_and_scint',
-    duration_usec: 5457973,
+    duration_usec: 546, # Typical: 5457973
     inputs: [f + "/SimEnergyDeposits" for f in std.objectFields(g4stage1)],
     outputs: ["SimEnergyDeposits", "SimEnergyDeposits_priorSCE"],
   },
   PDFastSim: {
     plugin: 'pd_fast_sim',
-    duration_usec: 69, #69681950,
+    duration_usec: 69, # Typical: 69681950
     inputs: ['SimEnergyDeposits_priorSCE'],
     outputs: ['SimPhotonLites', 'OpDetBacktrackerRecords'],
   }
diff --git a/test/mock-workflow/SinglesGen.libsonnet b/test/mock-workflow/SinglesGen.libsonnet
index e8d109771..b84df7b50 100644
--- a/test/mock-workflow/SinglesGen.libsonnet
+++ b/test/mock-workflow/SinglesGen.libsonnet
@@ -13,7 +13,7 @@
   },
   cosmicgenerator: {
     plugin: "MC_truth_algorithm",
-    duration_usec: 4926215,
+    duration_usec: 492, # Typical: 4926215
     inputs: ["id"],
     outputs: ["MCTruths"]
   },