diff --git a/AtlasTest/CITest/Athena.cmake b/AtlasTest/CITest/Athena.cmake
index 8a6db63c7fd6fef7092f7012b79bfb38f297ae23..219c9fdbfb81ca636afc4298e518d1e9ab2213c8 100644
--- a/AtlasTest/CITest/Athena.cmake
+++ b/AtlasTest/CITest/Athena.cmake
@@ -239,6 +239,10 @@ atlas_add_citest( ACTS_Workflow
    SCRIPT ActsWorkflow.sh
    LOG_IGNORE_PATTERN "ActsTrackFindingAlg.*ERROR Propagation reached the step count limit|ActsTrackFindingAlg.*ERROR Propagation failed: PropagatorError:3 Propagation reached the configured maximum number of steps with the initial parameters|ActsTrackFindingAlg.*ERROR CombinatorialKalmanFilter failed: CombinatorialKalmanFilterError:5 Propagation reaches max steps before track finding is finished with the initial parameters" )
 
+atlas_add_citest( ACTS_Workflow_FastTracking
+   SCRIPT ActsWorkflowFastTracking.sh
+   LOG_IGNORE_PATTERN "ActsTrackFindingAlg.*ERROR Propagation reached the step count limit|ActsTrackFindingAlg.*ERROR Propagation failed: PropagatorError:3 Propagation reached the configured maximum number of steps with the initial parameters|ActsTrackFindingAlg.*ERROR CombinatorialKalmanFilter failed: CombinatorialKalmanFilterError:5 Propagation reaches max steps before track finding is finished with the initial parameters" )
+ 
  atlas_add_citest( Acts_ConversionWorkflow
    SCRIPT ActsConversionWorkflow.sh
    LOG_IGNORE_PATTERN "ActsTrackFindingAlg.*ERROR Propagation reached the step count limit|ActsTrackFindingAlg.*ERROR Propagation failed: PropagatorError:3 Propagation reached the configured maximum number of steps with the initial parameters|ActsTrackFindingAlg.*ERROR CombinatorialKalmanFilter failed: CombinatorialKalmanFilterError:5 Propagation reaches max steps before track finding is finished with the initial parameters" )
diff --git a/InnerDetector/InDetConfig/python/ITkTrackingSiPatternConfig.py b/InnerDetector/InDetConfig/python/ITkTrackingSiPatternConfig.py
index 14004768932c5b44c61160b11528a57fac92e171..01fffa6faa74eba8e3d279f50780016cf7f20a1c 100644
--- a/InnerDetector/InDetConfig/python/ITkTrackingSiPatternConfig.py
+++ b/InnerDetector/InDetConfig/python/ITkTrackingSiPatternConfig.py
@@ -129,7 +129,7 @@ def ITkTrackingSiPatternCfg(flags,
     # ------------------------------------------------------------
     runTruth = True
 
-    if flags.Tracking.doITkFastTracking:
+    if flags.Tracking.doITkFastTracking and flags.Tracking.ActiveConfig.doAthenaTrack:
 
         from TrkConfig.TrkCollectionAliasAlgConfig import CopyAlgForAmbiCfg
         acc.merge(CopyAlgForAmbiCfg(
diff --git a/Tracking/Acts/ActsConfig/python/ActsTrackFindingConfig.py b/Tracking/Acts/ActsConfig/python/ActsTrackFindingConfig.py
index 3361b57aa2ec339369048bf59e1be0aad6e30c34..bc1a4e2781b71131ab0739292a5231a5d1686787 100644
--- a/Tracking/Acts/ActsConfig/python/ActsTrackFindingConfig.py
+++ b/Tracking/Acts/ActsConfig/python/ActsTrackFindingConfig.py
@@ -132,7 +132,11 @@ def ActsTrackFindingCfg(flags) -> ComponentAccumulator:
 
     # Acts Main pass
     if flags.Tracking.ActiveConfig.extension == "Acts":
+
         acc.merge(ActsMainTrackFindingAlgCfg(flags,
+                                             SeedLabels = isdet(flags, ["PPP"], ["SSS"]) if not flags.Tracking.doITkFastTracking else ["PPP"], 
+                                             EstimatedTrackParametersKeys = isdet(flags, ["ITkPixelEstimatedTrackParams"], ["ITkStripEstimatedTrackParams"]) if not flags.Tracking.doITkFastTracking else ["ITkPixelEstimatedTrackParams"],
+                                             SeedContainerKeys = isdet(flags, ["ITkPixelSeeds"], ["ITkStripSeeds"]) if not flags.Tracking.doITkFastTracking else ["ITkPixelSeeds"],
                                              UncalibratedMeasurementContainerKeys = ["ITkPixelClusters_InView", "ITkStripClusters_InView"] if flags.Acts.useCache else ["ITkPixelClusters", "ITkStripClusters"]))
         # Acts Conversion pass
     elif flags.Tracking.ActiveConfig.extension == "ActsConversion":
diff --git a/Tracking/Acts/ActsConfig/python/ActsTruthConfig.py b/Tracking/Acts/ActsConfig/python/ActsTruthConfig.py
index bcdb66c1baea23a16247d92e308ff79b322ba9a3..29e0249cfc968ac3ed0521f29afb79e1a2e69b29 100644
--- a/Tracking/Acts/ActsConfig/python/ActsTruthConfig.py
+++ b/Tracking/Acts/ActsConfig/python/ActsTruthConfig.py
@@ -49,7 +49,7 @@ def StripClusterToTruthAssociationCfg(flags, name: str = 'StripClusterToTruthAss
 def TrackToTruthAssociationCfg(flags, name: str = 'ActsTracksToTruthAssociationAlg', **kwargs) :
     acc = ComponentAccumulator()
     acc.merge( MapToInDetSimDataWrapCfg(flags, 'ITkStripSDO_Map') )
-    kwargs.setdefault('ACTSTracksLocation','SiSPSeededActsTrackContainer')
+    kwargs.setdefault('ACTSTracksLocation','ActsTracks')
     kwargs.setdefault('PixelClustersToTruthAssociationMap','ITkPixelClustersToTruthParticles')
     kwargs.setdefault('StripClustersToTruthAssociationMap','ITkStripClustersToTruthParticles')
     kwargs.setdefault('AssociationMapOut','ActsTracksToTruthParticles')
diff --git a/Tracking/Acts/ActsConfig/test/ActsWorkflowFastTracking.sh b/Tracking/Acts/ActsConfig/test/ActsWorkflowFastTracking.sh
new file mode 100755
index 0000000000000000000000000000000000000000..d6dc871c7611d4df876cc8f1884184f2f70b1f96
--- /dev/null
+++ b/Tracking/Acts/ActsConfig/test/ActsWorkflowFastTracking.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/bash
+# Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
+
+# ttbar mu=200 input
+input_rdo=/cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/PhaseIIUpgrade/RDO/ATLAS-P2-RUN4-03-00-00/mc21_14TeV.601229.PhPy8EG_A14_ttbar_hdamp258p75_SingleLep.recon.RDO.e8481_s4149_r14700/RDO.33629020._000047.pool.root.1
+n_events=1
+
+
+ignore_pattern="ActsTrackFindingAlg.+ERROR.+Propagation.+reached.+the.+step.+count.+limit,ActsTrackFindingAlg.+ERROR.+Propagation.+failed:.+PropagatorError:3.+Propagation.+reached.+the.+configured.+maximum.+number.+of.+steps.+with.+the.+initial.+parameters,ActsTrackFindingAlg.Acts.+ERROR.+CombinatorialKalmanFilter.+failed:.+CombinatorialKalmanFilterError:5.+Propagation.+reaches.+max.+steps.+before.+track.+finding.+is.+finished.+with.+the.+initial.+parameters"
+
+Reco_tf.py --CA \
+  --preExec "flags.Exec.FPE=500;" "flags.Tracking.doITkFastTracking=True;" \
+  --preInclude "InDetConfig.ConfigurationHelpers.OnlyTrackingPreInclude,ActsConfig.ActsCIFlags.actsWorkflowFlags" \
+  --ignorePatterns "${ignore_pattern}" \
+  --inputRDOFile ${input_rdo} \
+  --outputAODFile AOD.pool.root \
+  --outputESDFile ESD.pool.root \
+  --maxEvents ${n_events}
diff --git a/Tracking/Acts/ActsTrackReconstruction/src/TrackFindingAlg.h b/Tracking/Acts/ActsTrackReconstruction/src/TrackFindingAlg.h
index 089355f127430dbbcf0fa79f81fc8d2a7c3bb6f4..eb474a954f471b5f5a62066f3150a2fc9fd91899 100644
--- a/Tracking/Acts/ActsTrackReconstruction/src/TrackFindingAlg.h
+++ b/Tracking/Acts/ActsTrackReconstruction/src/TrackFindingAlg.h
@@ -88,7 +88,7 @@ namespace ActsTrk
     SG::ReadHandleKeyArray<xAOD::UncalibratedMeasurementContainer> m_uncalibratedMeasurementContainerKeys{this, "UncalibratedMeasurementContainerKeys", {}, "input cluster collections"};
     SG::ReadCondHandleKeyArray<InDetDD::SiDetectorElementCollection> m_detEleCollKeys{this, "DetectorElementCollectionKeys", {}, "input SiDetectorElementCollection"};
 
-    SG::WriteHandleKey<ActsTrk::TrackContainer> m_trackContainerKey{this, "ACTSTracksLocation", "SiSPSeededActsTrackContainer", "Output track collection (ActsTrk variant)"};
+    SG::WriteHandleKey<ActsTrk::TrackContainer> m_trackContainerKey{this, "ACTSTracksLocation", "", "Output track collection (ActsTrk variant)"};
     ActsTrk::MutableTrackContainerHandlesHelper m_tracksBackendHandlesHelper;
 
     // Configuration
diff --git a/Tracking/Acts/ActsTrackReconstruction/src/TrackToTrackParticleCnvAlg.h b/Tracking/Acts/ActsTrackReconstruction/src/TrackToTrackParticleCnvAlg.h
index 3c3ffacc7b425c9a1f1b3f41c0e5e555152c2e6a..f32546639816d90e58aa479b4ff7bb1e90817cb6 100644
--- a/Tracking/Acts/ActsTrackReconstruction/src/TrackToTrackParticleCnvAlg.h
+++ b/Tracking/Acts/ActsTrackReconstruction/src/TrackToTrackParticleCnvAlg.h
@@ -69,7 +69,7 @@ namespace ActsTrk
        {this, "ExtrapolationTool", "ActsExtrapolationTool"};
 
     SG::ReadHandleKey<ActsTrk::TrackContainer> m_tracksContainerKey
-       {this, "ACTSTracksLocation", "SiSPSeededActsTrackContainer","Track collection (ActsTrk variant)"};
+       {this, "ACTSTracksLocation", "","Track collection (ActsTrk variant)"};
     SG::ReadCondHandleKey<InDet::BeamSpotData> m_beamSpotKey
        {this, "BeamSpotKey", "BeamSpotData", "SG key for beam spot or empty." };
     SG::ReadCondHandleKey<AtlasFieldCacheCondObj> m_fieldCacheCondObjInputKey