diff --git a/benchmark_runner.py b/benchmark_runner.py
index 100e38b3..7d36c450 100644
--- a/benchmark_runner.py
+++ b/benchmark_runner.py
@@ -45,14 +45,15 @@ def benchmark_runner() -> None:
         run_id=run_id, benchmark_run=benchmark_run, dataset_size=dataset_size
     )
 
-    if _is_skipped(script_id):
-        logger.info(f"Experiment '{script_id}' marked skip=true in benchmarks.yml. Recording as skipped.")
+    skip_reason = _get_skip_reason(script_id)
+    if skip_reason is not None:
+        logger.info(f"Experiment '{script_id}' skipped in benchmarks.yml (reason={skip_reason.value}).")
         _save_run_metadata(
             query_id=script_id,
             run_id=run_id,
             achieved_iterations=0,
             failed_iterations=0,
-            stop_reason=StopReason.FAILED,
+            stop_reason=skip_reason,
             ci_half_width_seconds=None,
             ci_half_width_relative=None,
             mean_elapsed_seconds=None,
@@ -139,13 +140,13 @@ def _strip_dataset_size_suffix(script_id: str) -> str:
     return script_id
 
 
-def _is_skipped(script_id: str) -> bool:
+def _get_skip_reason(script_id: str) -> StopReason | None:
     with open(Config.BENCHMARK_FILE) as f:
         cfg = yaml.safe_load(f)
     for exp in cfg.get("experiments", []):
         if exp.get("id") == script_id and exp.get("skip"):
-            return True
-    return False
+            return StopReason.from_skip(exp["skip"])
+    return None
 
 
 def _get_args() -> tuple[str, int, Optional[str], DatasetSize]:
diff --git a/benchmarks.yml b/benchmarks.yml
index 6b1b6c87..0ba64280 100644
--- a/benchmarks.yml
+++ b/benchmarks.yml
@@ -16,6 +16,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - point-in-polygon-lookup-postgis-small
       - point-in-polygon-lookup-local-small
@@ -25,6 +26,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - point-in-polygon-lookup-duckdb-small
       - point-in-polygon-lookup-local-small
@@ -34,6 +36,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - point-in-polygon-lookup-duckdb-small
       - point-in-polygon-lookup-postgis-small
@@ -43,6 +46,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 30
     related_script_ids:
       - point-in-polygon-lookup-postgis-large
 
@@ -51,6 +55,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 30
     related_script_ids:
       - point-in-polygon-lookup-duckdb-large
 
@@ -60,6 +65,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - knn-search-postgis-small
       - knn-search-local-small
@@ -69,6 +75,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - knn-search-duckdb-small
       - knn-search-local-small
@@ -78,6 +85,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - knn-search-duckdb-small
       - knn-search-postgis-small
@@ -87,6 +95,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 30
     related_script_ids:
       - knn-search-postgis-large
 
@@ -95,6 +104,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 30
     related_script_ids:
       - knn-search-duckdb-large
 
@@ -104,6 +114,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - bbox-filtering-postgis-small
       - bbox-filtering-local-small
@@ -113,6 +124,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - bbox-filtering-duckdb-small
       - bbox-filtering-local-small
@@ -122,6 +134,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 30
     related_script_ids:
       - bbox-filtering-duckdb-small
       - bbox-filtering-postgis-small
@@ -131,6 +144,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 30
     related_script_ids:
       - bbox-filtering-postgis-large
 
@@ -139,6 +153,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 30
     related_script_ids:
       - bbox-filtering-duckdb-large
 
@@ -155,6 +170,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-8-nodes-small
       - national-scale-spatial-join-databricks-partitioned-8-nodes-small
@@ -165,6 +181,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-8-nodes-small
       - national-scale-spatial-join-databricks-partitioned-8-nodes-small
@@ -175,6 +192,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: medium
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-8-nodes-medium
       - national-scale-spatial-join-databricks-partitioned-8-nodes-medium
@@ -185,6 +203,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: medium
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-8-nodes-medium
       - national-scale-spatial-join-databricks-partitioned-8-nodes-medium
@@ -195,6 +214,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 3
+    skip: timeout  # exceeds 60-min per-iteration threshold; existing data from run 2026-05-24-HBJYYT sufficient
     related_script_ids:
       - national-scale-spatial-join-postgis-large
 
@@ -203,7 +224,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
-    skip: true  # OOM on Azure PostgreSQL Flex Server at large scale
+    runs: 3
+    skip: failed  # OOM on Azure PostgreSQL Flex Server at large scale
     related_script_ids:
       - national-scale-spatial-join-duckdb-large
 
@@ -213,6 +235,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: medium
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-2-nodes-medium
 
@@ -221,6 +244,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-4-nodes-large
       - national-scale-spatial-join-databricks-broadcast-16-nodes-large
@@ -230,6 +254,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-4-nodes-small
 
@@ -238,6 +263,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: medium
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-4-nodes-medium
 
@@ -246,6 +272,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-2-nodes-large
       - national-scale-spatial-join-databricks-broadcast-16-nodes-large
@@ -255,6 +282,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-8-nodes-small
       - national-scale-spatial-join-duckdb-small
@@ -265,6 +293,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: medium
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-8-nodes-medium
       - national-scale-spatial-join-duckdb-medium
@@ -275,6 +304,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-8-nodes-large
 
@@ -283,6 +313,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-2-nodes-large
       - national-scale-spatial-join-databricks-broadcast-4-nodes-large
@@ -293,7 +324,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: medium
-    skip: true  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at medium scale
+    runs: 3
+    skip: failed  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at medium scale
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-2-nodes-medium
 
@@ -302,7 +334,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
-    skip: true  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at large scale
+    runs: 3
+    skip: failed  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at large scale
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-4-nodes-large
       - national-scale-spatial-join-databricks-partitioned-16-nodes-large
@@ -312,6 +345,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-4-nodes-small
 
@@ -320,7 +354,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: medium
-    skip: true  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at medium scale
+    runs: 3
+    skip: failed  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at medium scale
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-4-nodes-medium
 
@@ -329,7 +364,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
-    skip: true  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at large scale
+    runs: 3
+    skip: failed  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at large scale
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-2-nodes-large
       - national-scale-spatial-join-databricks-partitioned-16-nodes-large
@@ -339,6 +375,7 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: small
+    runs: 3
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-8-nodes-small
       - national-scale-spatial-join-duckdb-small
@@ -349,7 +386,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: medium
-    skip: true  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at medium scale
+    runs: 3
+    skip: failed  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at medium scale
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-8-nodes-medium
       - national-scale-spatial-join-duckdb-medium
@@ -360,7 +398,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
-    skip: true  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at large scale
+    runs: 3
+    skip: failed  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at large scale
     related_script_ids:
       - national-scale-spatial-join-databricks-broadcast-8-nodes-large
 
@@ -369,7 +408,8 @@ experiments:
     cpu: 4
     memory_gb: 16
     dataset_size: large
-    skip: true  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at large scale
+    runs: 3
+    skip: failed  # executor OOM: RangeJoin spatial index exceeds Standard_D4s_v3 memory at large scale
     related_script_ids:
       - national-scale-spatial-join-databricks-partitioned-2-nodes-large
       - national-scale-spatial-join-databricks-partitioned-4-nodes-large
diff --git a/main.py b/main.py
index d010c3f7..ba917ef4 100644
--- a/main.py
+++ b/main.py
@@ -74,6 +74,17 @@ def _run_benchmarks(
         if experiment_id in completed_experiments:
             continue
 
+        experiment_runs = experiment.get("runs", Config.BENCHMARK_RUNS)
+        if benchmark_run > experiment_runs:
+            completed_experiments.append(experiment_id)
+            for rid in experiment.get("related_script_ids", []):
+                completed_experiments.append(str(rid))
+            logger.info(
+                "Skipping '%s' — benchmark run %s exceeds experiment runs limit %s.",
+                experiment_id, benchmark_run, experiment_runs,
+            )
+            continue
+
         current_batch += 1
 
         related_experiment_ids = experiment["related_script_ids"]
diff --git a/src/config.py b/src/config.py
index 7d723c21..fede74d8 100644
--- a/src/config.py
+++ b/src/config.py
@@ -88,14 +88,16 @@ class Config:
 
     # TEST MODE
     SETUP_COUNTY_LIMIT: int | None = (
-        int(os.getenv("SETUP_COUNTY_LIMIT")) if os.getenv("SETUP_COUNTY_LIMIT") else None
+        int(os.getenv("SETUP_COUNTY_LIMIT"))
+        if os.getenv("SETUP_COUNTY_LIMIT")
+        else None
     )
 
     # BENCHMARKING
     BENCHMARK_FILE: Path = ROOT_DIR / "benchmarks.yml"
     RUN_ID_LENGTH: int = 6
     DEFAULT_SAMPLE_TIMEOUT: float = 0.01
-    BENCHMARK_RUNS: int = 1
+    BENCHMARK_RUNS: int = 30
     BENCHMARK_WARMUP_ITERATIONS: int = 5
     BENCHMARK_ITERATIONS: int = 100
     BENCHMARK_METADATA_BLOB_NAME: str = "benchmark_metadata.parquet"
@@ -104,15 +106,15 @@ class Config:
     # Sequential stopping rule (bootstrapped CI on mean elapsed time)
     BENCHMARK_MIN_ITERATIONS: int = 10
     BENCHMARK_MIN_TIMED_WINDOW_SECONDS: int = 60
-    BENCHMARK_MAX_ITERATION_SECONDS: int = 4500
+    BENCHMARK_MAX_ITERATION_SECONDS: int = 3600
     BENCHMARK_MAX_TIMED_WINDOW_SECONDS: int = 6 * BENCHMARK_MAX_ITERATION_SECONDS
     BENCHMARK_TARGET_CI_HALF_WIDTH_RELATIVE: float = 0.05
     BENCHMARK_BOOTSTRAP_RESAMPLES: int = 1000
     BENCHMARK_CI_CONFIDENCE: float = 0.95
     BENCHMARK_MAX_CONSECUTIVE_FAILURES: int = 3
 
-    # Fixed-iteration cumulative wall-clock ceiling (75 min)
-    BENCHMARK_MAX_FIXED_WINDOW_SECONDS: int = 75 * 60
+    # Fixed-iteration cumulative wall-clock ceiling (300 min)
+    BENCHMARK_MAX_FIXED_WINDOW_SECONDS: int = 5 * BENCHMARK_MAX_ITERATION_SECONDS
 
     INGESTION_DELAY_SECONDS: int = 600
 
diff --git a/src/domain/enums/stop_reason.py b/src/domain/enums/stop_reason.py
index fb0c555d..680d2adb 100644
--- a/src/domain/enums/stop_reason.py
+++ b/src/domain/enums/stop_reason.py
@@ -8,3 +8,9 @@ class StopReason(Enum):
     FIXED = "fixed"
     PARTIAL = "partial"
     FAILED = "failed"
+
+    @classmethod
+    def from_skip(cls, value) -> "StopReason":
+        if isinstance(value, str):
+            return cls(value)
+        return cls.FAILED