diff --git a/config/test.exs b/config/test.exs
index af34913..1ff9eda 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -27,6 +27,9 @@ config :aprs, AprsWeb.Endpoint,
 # Disable Oban during tests to prevent background job execution
 config :aprs, Oban, testing: :inline
 
+# Disable initialize replay delay in test environment
+config :aprs, :initialize_replay_delay, 0
+
 # Configure the packets module to use the mock in tests
 config :aprs, :packets_module, Aprs.PacketsMock
 
diff --git a/lib/aprs_web/live/map_live/index.ex b/lib/aprs_web/live/map_live/index.ex
index 0aaf6d9..a770b62 100644
--- a/lib/aprs_web/live/map_live/index.ex
+++ b/lib/aprs_web/live/map_live/index.ex
@@ -12,6 +12,7 @@ defmodule AprsWeb.MapLive.Index do
   @default_center %{lat: 39.8283, lng: -98.5795}
   @default_zoom 5
   @finch_name Aprs.Finch
+  @initialize_replay_delay Application.compile_env(:aprs, :initialize_replay_delay, 500)
 
   @impl true
   def mount(_params, _session, socket) do
@@ -214,7 +215,7 @@ defmodule AprsWeb.MapLive.Index do
     socket = assign(socket, map_ready: true)
 
     # Start historical replay
-    Process.send_after(self(), :initialize_replay, 500)
+    Process.send_after(self(), :initialize_replay, @initialize_replay_delay)
 
     # If we have pending geolocation, zoom to it now
     socket =
diff --git a/test/aprs_web/integration/aprs_status_test.exs b/test/aprs_web/integration/aprs_status_test.exs
index 96fe57c..f499e8a 100644
--- a/test/aprs_web/integration/aprs_status_test.exs
+++ b/test/aprs_web/integration/aprs_status_test.exs
@@ -134,7 +134,7 @@ defmodule AprsWeb.Integration.AprsStatusTest do
       Endpoint.broadcast("aprs_messages", "packet", test_packet)
 
       # Give a moment for any potential updates
-      Process.sleep(100)
+      Process.sleep(5)
 
       # View should remain stable (no crashes from missing APRS connection)
       assert has_element?(view, "#aprs-map")
diff --git a/test/aprs_web/live/map_live/index_test.exs b/test/aprs_web/live/map_live/index_test.exs
index 641e519..2a94947 100644
--- a/test/aprs_web/live/map_live/index_test.exs
+++ b/test/aprs_web/live/map_live/index_test.exs
@@ -71,7 +71,7 @@ defmodule AprsWeb.MapLive.IndexTest do
       assert render_hook(view, "map_ready", %{})
 
       # Wait for the initialize_replay message to be processed
-      Process.sleep(600)
+      Process.sleep(20)
 
       # The view should still be rendering without errors after loading historical packets
       assert render(view) =~ "aprs-map"
diff --git a/test/integration/historical_packets_test.exs b/test/integration/historical_packets_test.exs
index 79277f2..844debb 100644
--- a/test/integration/historical_packets_test.exs
+++ b/test/integration/historical_packets_test.exs
@@ -105,7 +105,7 @@ defmodule Aprs.Integration.HistoricalPacketsTest do
 
       # Set historical_hours assign
       render_hook(view, "update_historical_hours", %{"historical_hours" => "1"})
-      Process.sleep(100)
+      Process.sleep(10)
 
       # Set bounds and wait for map_bounds to be set in assigns
       render_hook(view, "bounds_changed", bounds_params)
@@ -121,11 +121,11 @@ defmodule Aprs.Integration.HistoricalPacketsTest do
          }}
       )
 
-      Process.sleep(100)
+      Process.sleep(10)
 
       # Now trigger map_ready
       render_hook(view, "map_ready", %{})
-      Process.sleep(1200)
+      Process.sleep(20)
 
       # The LiveView should have pushed an event with historical packets
       # Note: In real implementation, we'd need to verify the push_event was called
@@ -153,7 +153,7 @@ defmodule Aprs.Integration.HistoricalPacketsTest do
 
       # Set historical_hours assign
       render_hook(view, "update_historical_hours", %{"historical_hours" => "1"})
-      Process.sleep(100)
+      Process.sleep(10)
 
       # Set bounds and wait for map_bounds to be set in assigns
       render_hook(view, "bounds_changed", bounds_params)
@@ -169,11 +169,11 @@ defmodule Aprs.Integration.HistoricalPacketsTest do
          }}
       )
 
-      Process.sleep(100)
+      Process.sleep(10)
 
       # Now trigger map_ready
       render_hook(view, "map_ready", %{})
-      Process.sleep(1200)
+      Process.sleep(20)
 
       verify!()
     end
@@ -222,7 +222,7 @@ defmodule Aprs.Integration.HistoricalPacketsTest do
 
       # First load historical packets
       render_hook(view, "map_ready", %{})
-      Process.sleep(700)
+      Process.sleep(20)
 
       # Clear and reload markers
       render_hook(view, "clear_and_reload_markers", %{})
@@ -240,7 +240,7 @@ defmodule Aprs.Integration.HistoricalPacketsTest do
 
       # Load historical packets first
       render_hook(view, "map_ready", %{})
-      Process.sleep(700)
+      Process.sleep(20)
 
       # Request location
       render_hook(view, "locate_me", %{})
@@ -304,13 +304,13 @@ defmodule Aprs.Integration.HistoricalPacketsTest do
          }}
       )
 
-      Process.sleep(100)
+      Process.sleep(10)
       render_hook(view, "map_ready", %{})
-      Process.sleep(700)
+      Process.sleep(20)
 
       # Set historical_hours assign
       render_hook(view, "update_historical_hours", %{"historical_hours" => "1"})
-      Process.sleep(100)
+      Process.sleep(5)
 
       # Simulate a new live packet for the same callsign
       new_packet = %{
@@ -341,7 +341,7 @@ defmodule Aprs.Integration.HistoricalPacketsTest do
       })
 
       # Give the LiveView time to process the message
-      Process.sleep(100)
+      Process.sleep(5)
 
       verify!()
     end