diff --git a/data/challenges/lighthouse.challenge b/data/challenges/lighthouse.challenge
index 326588621..8303cb977 100644
--- a/data/challenges/lighthouse.challenge
+++ b/data/challenges/lighthouse.challenge
@@ -10,11 +10,11 @@
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="125"/>
+        <requirements time="145" position="1"/>
     </medium>
     <easy>
         <karts number="3"/>
-        <requirements time="145"/>
+        <requirements time="185"/>
     </easy>
 </challenge>
 
diff --git a/data/challenges/snowmountain.challenge b/data/challenges/snowmountain.challenge
index e4ac0c61e..db4319738 100644
--- a/data/challenges/snowmountain.challenge
+++ b/data/challenges/snowmountain.challenge
@@ -10,10 +10,10 @@
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="175"/>
+        <requirements time="187"/>
     </medium>
     <easy>
         <karts number="4"/>
-        <requirements time="220"/>
+        <requirements time="250"/>
     </easy>
 </challenge>
diff --git a/data/challenges/xr591.challenge b/data/challenges/xr591.challenge
index 4f8bc4b0b..44efb0539 100644
--- a/data/challenges/xr591.challenge
+++ b/data/challenges/xr591.challenge
@@ -6,15 +6,15 @@
     
     <hard>
         <karts number="1"/>
-        <requirements energy="18" time="135"/>
+        <requirements energy="18" time="120"/>
     </hard>
     <medium>
         <karts number="1"/>
-        <requirements energy="15" time="155"/>
+        <requirements energy="15" time="135"/>
     </medium>
     <easy>
         <karts number="1"/>
-        <requirements energy="12" time="170"/>
+        <requirements energy="12" time="180"/>
     </easy>
 </challenge>