diff --git a/widget/SwipeTracker.cpp b/widget/SwipeTracker.cpp
index 83b80a808261ce28e5c571dc802993556477f0c8..8de39d5c724e23f540a70f47e893e46bcf1112e6 100644
--- a/widget/SwipeTracker.cpp
+++ b/widget/SwipeTracker.cpp
@@ -10,6 +10,7 @@
 #include "mozilla/PresShell.h"
 #include "mozilla/StaticPrefs_browser.h"
 #include "mozilla/StaticPrefs_widget.h"
+#include "mozilla/StaticPrefs_zen.h"
 #include "mozilla/TimeStamp.h"
 #include "mozilla/TouchEvents.h"
 #include "mozilla/dom/SimpleGestureEventBinding.h"
@@ -67,6 +68,9 @@ double SwipeTracker::SwipeSuccessTargetValue() const {
 }
 
 double SwipeTracker::ClampToAllowedRange(double aGestureAmount) const {
+  if (StaticPrefs::zen_swipe_is_fast_swipe()) {
+    return aGestureAmount;
+  }
   // gestureAmount needs to stay between -1 and 0 when swiping right and
   // between 0 and 1 when swiping left.
   double min =
@@ -84,13 +88,14 @@ bool SwipeTracker::ComputeSwipeSuccess() const {
   // If the fingers were moving away from the target direction when they were
   // lifted from the touchpad, abort the swipe.
   if (mCurrentVelocity * targetValue <
-      -StaticPrefs::widget_swipe_velocity_twitch_tolerance()) {
+      -StaticPrefs::widget_swipe_velocity_twitch_tolerance()
+    && !StaticPrefs::zen_swipe_is_fast_swipe()) {
     return false;
   }
 
   return (mGestureAmount * targetValue +
           mCurrentVelocity * targetValue *
-              StaticPrefs::widget_swipe_success_velocity_contribution()) >=
+              (StaticPrefs::zen_swipe_is_fast_swipe() ? 0.5 : StaticPrefs::widget_swipe_success_velocity_contribution())) >=
          kSwipeSuccessThreshold;
 }
 
@@ -141,7 +146,8 @@ nsEventStatus SwipeTracker::ProcessEvent(
   // display the UI as if we were at the success threshold as that would
   // give a false indication that navigation would happen.
   if (!computedSwipeSuccess && (eventAmount >= kSwipeSuccessThreshold ||
-                                eventAmount <= -kSwipeSuccessThreshold)) {
+                                eventAmount <= -kSwipeSuccessThreshold)
+                              && !StaticPrefs::zen_swipe_is_fast_swipe()) {
     eventAmount = 0.999 * kSwipeSuccessThreshold;
     if (mGestureAmount < 0.f) {
       eventAmount = -eventAmount;