diff --git a/benchmarks/backwards_ecal/Snakefile b/benchmarks/backwards_ecal/Snakefile
index 0af71624da81fd50156e5cd27632e92267a9f617..5ac3effeea014ee1ee3b94f510b9b1d6cf534757 100644
--- a/benchmarks/backwards_ecal/Snakefile
+++ b/benchmarks/backwards_ecal/Snakefile
@@ -64,14 +64,17 @@ exec env DETECTOR_CONFIG={params.DETECTOR_CONFIG} \
 """
 
 
-rule backwards_ecal_recon_many:
+rule backwards_ecal_local_sim_list:
     input:
         expand(
             "sim_output/backwards_ecal/{{DETECTOR_CONFIG}}/{{PARTICLE}}/{{ENERGY}}/{{PHASE_SPACE}}/{{PARTICLE}}_{{ENERGY}}_{{PHASE_SPACE}}.{INDEX:04d}.eicrecon.tree.edm4eic.root",
             INDEX=range(20),
         ),
     output:
-        touch("sim_output/backwards_ecal/{DETECTOR_CONFIG}/{PARTICLE}/{ENERGY}/{PHASE_SPACE}/flag"),
+        "listing/backwards_ecal/local/{DETECTOR_CONFIG}/{PARTICLE}/{ENERGY}/{PHASE_SPACE}.lst",
+    run:
+        with open(output[0], "wt") as fp:
+            fp.write("\n".join(input))
 
 
 DETECTOR_CONFIG=os.environ["DETECTOR_CONFIG"]
@@ -79,7 +82,7 @@ DETECTOR_CONFIG=os.environ["DETECTOR_CONFIG"]
 rule backwards_ecal:
     input:
         expand(
-            "sim_output/backwards_ecal/" + DETECTOR_CONFIG + "/{PARTICLE}/{ENERGY}/{PHASE_SPACE}/flag",
+            "listing/backwards_ecal/local/" + DETECTOR_CONFIG + "/{PARTICLE}/{ENERGY}/{PHASE_SPACE}.lst",
             PARTICLE=["pi-", "e-"],
             ENERGY=[
                 "100MeV",
@@ -103,7 +106,7 @@ env \
 MATPLOTLIBRC={input.matplotlibrc} \
 DETECTOR_CONFIG=""" + DETECTOR_CONFIG + """ \
 PLOT_TITLE=""" + DETECTOR_CONFIG + """ \
-INPUT_PATH_FORMAT=sim_output/backwards_ecal/""" + DETECTOR_CONFIG + """/{{particle}}/{{energy}}/130to177deg/{{particle}}_{{energy}}_130to177deg.{{ix:04d}}.eicrecon.tree.edm4eic.root \
+INPUT_PATH_FORMAT=listing/backwards_ecal/local/""" + DETECTOR_CONFIG + """/{{particle}}/{{energy}}/130to177deg.lst \
 OUTPUT_DIR={output} \
 python {input.script}
 """
diff --git a/benchmarks/backwards_ecal/backwards_ecal.org b/benchmarks/backwards_ecal/backwards_ecal.org
index 27f1094ceb780fa501ce0114feed9d9401939b1f..1028e3187f73f83091415654c4dcf6646450fd47 100644
--- a/benchmarks/backwards_ecal/backwards_ecal.org
+++ b/benchmarks/backwards_ecal/backwards_ecal.org
@@ -57,7 +57,6 @@ setup_presentation_style()
 DETECTOR_CONFIG=os.environ.get("DETECTOR_CONFIG")
 PLOT_TITLE=os.environ.get("PLOT_TITLE")
 INPUT_PATH_FORMAT=os.environ.get("INPUT_PATH_FORMAT", "EPIC/RECO/24.04.0/epic_craterlake/SINGLE/{particle}/{energy}/130to177deg/{particle}_{energy}_130to177deg.{ix:04d}.eicrecon.tree.edm4eic.root")
-INPUT_PATH_INDEX_RANGE=list(range(20))
 
 output_dir=Path(os.environ.get("OUTPUT_DIR", "./"))
 output_dir.mkdir(parents=True, exist_ok=True)
@@ -102,13 +101,18 @@ filter_name = [
 pi_eval = {}
 e_eval = {}
 
+def readlist(path):
+    with open(path, "rt") as fp:
+        paths = [line.rstrip() for line in fp.readlines()]
+    return paths
+
 for energy in energies:
     pi_eval[energy] = filter_pointing(uproot.concatenate(
-        {INPUT_PATH_FORMAT.format(particle="pi-", energy=energy, ix=ix): "events" for ix in INPUT_PATH_INDEX_RANGE},
+        {path: "events" for path in readlist(INPUT_PATH_FORMAT.format(particle="pi-", energy=energy))},
         filter_name=filter_name,
     ))
     e_eval[energy] = filter_pointing(uproot.concatenate(
-        {INPUT_PATH_FORMAT.format(particle="e-", energy=energy, ix=ix): "events" for ix in INPUT_PATH_INDEX_RANGE},
+        {path: "events" for path in readlist(INPUT_PATH_FORMAT.format(particle="e-", energy=energy))},
         filter_name=filter_name,
     ))
 #+end_src
diff --git a/benchmarks/backwards_ecal/config.yml b/benchmarks/backwards_ecal/config.yml
index 7048f8e79d60e37261e56819c87cd99473b3b7fc..8f2967f686c9c122255757ea9158246ca32122ca 100644
--- a/benchmarks/backwards_ecal/config.yml
+++ b/benchmarks/backwards_ecal/config.yml
@@ -16,7 +16,7 @@ sim:backwards_ecal:
         ]
   script:
     - |
-      snakemake $SNAKEMAKE_FLAGS --cores 5 sim_output/backwards_ecal/${DETECTOR_CONFIG}/${PARTICLE}/${MOMENTUM}/130to177deg/flag
+      snakemake $SNAKEMAKE_FLAGS --cores 5 listing/backwards_ecal/local/${DETECTOR_CONFIG}/${PARTICLE}/${MOMENTUM}/130to177deg.lst
 
 bench:backwards_ecal:
   extends: .det_benchmark