diff --git a/ingestor/chalicelib/agg_speed_tables.py b/ingestor/chalicelib/agg_speed_tables.py
index 03f8a78..388d78e 100644
--- a/ingestor/chalicelib/agg_speed_tables.py
+++ b/ingestor/chalicelib/agg_speed_tables.py
@@ -33,14 +33,14 @@ class TripsByLineParams:
     agg: Range
 
 
-def populate_table(line: Line, range: Range):
+def populate_table(line: Line, range: Range, start_date: str = "2016-01-01"):
     """Populate weekly or monthly aggregate speed table for a given line. Ran manually as a lambda in AWS console"""
     print(f"Populating {range} table")
     table = constants.TABLE_MAP[range]
     today = datetime.now().strftime(constants.DATE_FORMAT_BACKEND)
     trips = actual_trips_by_line(
         {
-            "start_date": "2016-01-01",
+            "start_date": start_date,
             "end_date": today,
             "line": line,
             "agg": range,
diff --git a/ingestor/chalicelib/trip_metrics/backfill.py b/ingestor/chalicelib/trip_metrics/backfill.py
index 7c5ae37..b3b5176 100644
--- a/ingestor/chalicelib/trip_metrics/backfill.py
+++ b/ingestor/chalicelib/trip_metrics/backfill.py
@@ -3,8 +3,8 @@
 
 from .ingest import ingest_trip_metrics, get_date_ranges
 
-START_DATE = date(2024, 3, 1)
-END_DATE = date(2024, 5, 14)
+START_DATE = date(2024, 5, 1)
+END_DATE = date(2024, 7, 31)
 MAX_RANGE_SIZE = 90
 
 if __name__ == "__main__":