diff --git a/data/challenges/farm.challenge b/data/challenges/farm.challenge
index 85caeaedf..b875b4cdb 100644
--- a/data/challenges/farm.challenge
+++ b/data/challenges/farm.challenge
@@ -6,14 +6,14 @@
     
     <hard>
         <karts number="5"/>
-        <requirements position="1" time="130"/>
+        <requirements position="1" time="110"/>
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="140"/>
+        <requirements time="125"/>
     </medium>
     <easy>
         <karts number="4"/>
-        <requirements time="150"/>
+        <requirements time="155"/>
     </easy>
 </challenge>
diff --git a/data/challenges/hacienda.challenge b/data/challenges/hacienda.challenge
index 98de123bb..2ad4e300b 100644
--- a/data/challenges/hacienda.challenge
+++ b/data/challenges/hacienda.challenge
@@ -14,6 +14,6 @@
     </medium>
     <easy>
         <karts number="4"/>
-        <requirements time="175"/>
+        <requirements time="220"/>
     </easy>
 </challenge>
diff --git a/data/challenges/jungle.challenge b/data/challenges/jungle.challenge
index 9d04ed391..0be9826b6 100644
--- a/data/challenges/jungle.challenge
+++ b/data/challenges/jungle.challenge
@@ -10,7 +10,7 @@
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="165"/>
+        <requirements time="170"/>
     </medium>
     <easy>
         <karts number="4"/>
diff --git a/data/challenges/lighthouse.challenge b/data/challenges/lighthouse.challenge
index c94508423..d998a8bc5 100644
--- a/data/challenges/lighthouse.challenge
+++ b/data/challenges/lighthouse.challenge
@@ -14,7 +14,7 @@
     </medium>
     <easy>
         <karts number="3"/>
-        <requirements time="105"/>
+        <requirements time="110"/>
     </easy>
 </challenge>
 
diff --git a/data/challenges/mines.challenge b/data/challenges/mines.challenge
index 766f33dac..908e58012 100644
--- a/data/challenges/mines.challenge
+++ b/data/challenges/mines.challenge
@@ -14,6 +14,6 @@
     </medium>
     <easy>
         <karts number="4"/>
-        <requirements time="200"/>
+        <requirements time="215"/>
     </easy>
 </challenge>
diff --git a/data/challenges/sandtrack.challenge b/data/challenges/sandtrack.challenge
index e00fb106f..6f22c6219 100644
--- a/data/challenges/sandtrack.challenge
+++ b/data/challenges/sandtrack.challenge
@@ -14,6 +14,6 @@
     </medium>
     <easy>
         <karts number="1"/>
-        <requirements energy="10" time="150"/>
+        <requirements energy="10" time="165"/>
     </easy>
 </challenge>
diff --git a/data/challenges/scotland.challenge b/data/challenges/scotland.challenge
index 4e3c8d61e..f4fae0318 100644
--- a/data/challenges/scotland.challenge
+++ b/data/challenges/scotland.challenge
@@ -14,6 +14,6 @@
     </medium>
     <easy>
         <karts number="4"/>
-        <requirements time="190"/>
+        <requirements time="225"/>
     </easy>
 </challenge>
diff --git a/data/challenges/snowmountain.challenge b/data/challenges/snowmountain.challenge
index 745323135..c0dbda496 100644
--- a/data/challenges/snowmountain.challenge
+++ b/data/challenges/snowmountain.challenge
@@ -14,6 +14,6 @@
     </medium>
     <easy>
         <karts number="4"/>
-        <requirements time="195"/>
+        <requirements time="220"/>
     </easy>
 </challenge>
diff --git a/data/challenges/snowpeak.challenge b/data/challenges/snowpeak.challenge
index fd02a8d3c..1484bbadb 100644
--- a/data/challenges/snowpeak.challenge
+++ b/data/challenges/snowpeak.challenge
@@ -14,6 +14,6 @@
     </medium>
     <easy>
         <karts number="4"/>
-        <requirements time="200"/>
+        <requirements time="195"/>
     </easy>
 </challenge>
diff --git a/data/challenges/subsea.challenge b/data/challenges/subsea.challenge
index 9e3469360..bfd06c514 100644
--- a/data/challenges/subsea.challenge
+++ b/data/challenges/subsea.challenge
@@ -10,10 +10,10 @@
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="215"/>
+        <requirements time="220"/>
     </medium>
     <easy>
         <karts number="4"/>
-        <requirements time="260"/>
+        <requirements time="275"/>
     </easy>
 </challenge>
diff --git a/data/challenges/xr591.challenge b/data/challenges/xr591.challenge
index 9b60106fa..8d8863a14 100644
--- a/data/challenges/xr591.challenge
+++ b/data/challenges/xr591.challenge
@@ -14,7 +14,7 @@
     </medium>
     <easy>
         <karts number="1"/>
-        <requirements energy="12" time="170"/>
+        <requirements energy="12" time="165"/>
     </easy>
 </challenge>