diff --git a/data/challenges/hacienda.challenge b/data/challenges/hacienda.challenge
index c92c72108..c351d98b6 100644
--- a/data/challenges/hacienda.challenge
+++ b/data/challenges/hacienda.challenge
@@ -10,7 +10,7 @@
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="190"/>
+        <requirements time="185"/>
     </medium>
     <easy>
         <karts number="4"/>
diff --git a/data/challenges/jungle.challenge b/data/challenges/jungle.challenge
index cc069c478..46ec0a924 100644
--- a/data/challenges/jungle.challenge
+++ b/data/challenges/jungle.challenge
@@ -10,7 +10,7 @@
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="220"/>
+        <requirements time="210"/>
     </medium>
     <easy>
         <karts number="4"/>
diff --git a/data/challenges/mansion.challenge b/data/challenges/mansion.challenge
index 06cc9795e..662a15879 100644
--- a/data/challenges/mansion.challenge
+++ b/data/challenges/mansion.challenge
@@ -10,7 +10,7 @@
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="145"/>
+        <requirements time="130"/>
     </medium>
     <easy>
         <karts number="4"/>
diff --git a/data/challenges/sandtrack.challenge b/data/challenges/sandtrack.challenge
index ba178bfef..189418b8e 100644
--- a/data/challenges/sandtrack.challenge
+++ b/data/challenges/sandtrack.challenge
@@ -10,7 +10,7 @@
     </hard>
     <medium>
         <karts number="1"/>
-        <requirements energy="15" time="190"/>
+        <requirements energy="15" time="195"/>
     </medium>
     <easy>
         <karts number="1"/>
diff --git a/data/challenges/snowpeak.challenge b/data/challenges/snowpeak.challenge
index e9e1aa4da..e6c05e284 100644
--- a/data/challenges/snowpeak.challenge
+++ b/data/challenges/snowpeak.challenge
@@ -10,7 +10,7 @@
     </hard>
     <medium>
         <karts number="4"/>
-        <requirements time="175"/>
+        <requirements time="170"/>
     </medium>
     <easy>
         <karts number="4"/>