diff --git a/src/main/kotlin/de/bixilon/pixlyzer/physics/PhysicsUtil.kt b/src/main/kotlin/de/bixilon/pixlyzer/physics/PhysicsUtil.kt
index e51dcea..8bc3362 100644
--- a/src/main/kotlin/de/bixilon/pixlyzer/physics/PhysicsUtil.kt
+++ b/src/main/kotlin/de/bixilon/pixlyzer/physics/PhysicsUtil.kt
@@ -5,6 +5,7 @@ import com.mojang.authlib.GameProfile
 import de.bixilon.pixlyzer.EntitySpawner.setDimension
 import de.bixilon.pixlyzer.physics.abstractions.MinecraftPlayer
 import de.bixilon.pixlyzer.physics.abstractions.MinecraftWorld
+import de.bixilon.pixlyzer.physics.input.DummyBinding
 import net.minecraft.client.MinecraftClient
 import net.minecraft.client.input.Input
 import net.minecraft.client.network.ClientPlayNetworkHandler
@@ -29,7 +30,6 @@ import net.minecraft.world.Difficulty
 import net.minecraft.world.biome.Biome
 import net.minecraft.world.biome.source.BiomeAccess
 import net.minecraft.world.border.WorldBorder
-import net.minecraft.world.dimension.DimensionType
 import org.objenesis.ObjenesisStd
 import java.util.*
 import java.util.function.Supplier
@@ -87,7 +87,8 @@ object PhysicsUtil {
         client.tasks = Queues.newConcurrentLinkedQueue()
         client.thread = Thread.currentThread()
         client.options = createGameOptions()
-        client.tutorialManager = TutorialManager(client, client.options )
+        client.tutorialManager = TutorialManager(client, client.options)
+        client.options.sprintKey = DummyBinding()
 
         return client
     }
diff --git a/src/main/kotlin/de/bixilon/pixlyzer/physics/abstractions/MinecraftPlayer.kt b/src/main/kotlin/de/bixilon/pixlyzer/physics/abstractions/MinecraftPlayer.kt
index e1647cc..a08c8dc 100644
--- a/src/main/kotlin/de/bixilon/pixlyzer/physics/abstractions/MinecraftPlayer.kt
+++ b/src/main/kotlin/de/bixilon/pixlyzer/physics/abstractions/MinecraftPlayer.kt
@@ -1,6 +1,8 @@
 package de.bixilon.pixlyzer.physics.abstractions
 
-import net.minecraft.client.input.Input
+import de.bixilon.kutil.cast.CastUtil.unsafeCast
+import de.bixilon.pixlyzer.physics.input.CustomInput
+import de.bixilon.pixlyzer.physics.input.DummyBinding
 import net.minecraft.client.network.ClientPlayerEntity
 import net.minecraft.network.Packet
 import net.minecraft.network.listener.ClientPlayPacketListener
@@ -14,8 +16,8 @@ class MinecraftPlayer(
         packet.apply(native.networkHandler)
     }
 
-    fun tick(count:Int=1) {
-        for(i in 0 until count) {
+    fun tick(count: Int = 1) {
+        for (i in 0 until count) {
             native.tick()
         }
     }
@@ -31,8 +33,9 @@ class MinecraftPlayer(
         left: Boolean = false,
         jump: Boolean = false,
         sneak: Boolean = false,
+        sprint: Boolean = false,
     ) {
-        val input = Input()
+        val input = CustomInput()
         input.pressingForward = forwards
         input.pressingBack = backwards
         input.pressingRight = right
@@ -40,6 +43,7 @@ class MinecraftPlayer(
         input.jumping = jump
         input.sneaking = sneak
 
+        native.client.options.sprintKey.unsafeCast<DummyBinding>().value = sprint
         native.input = input
     }
 }
diff --git a/src/main/kotlin/de/bixilon/pixlyzer/physics/input/CustomInput.kt b/src/main/kotlin/de/bixilon/pixlyzer/physics/input/CustomInput.kt
new file mode 100644
index 0000000..722735e
--- /dev/null
+++ b/src/main/kotlin/de/bixilon/pixlyzer/physics/input/CustomInput.kt
@@ -0,0 +1,17 @@
+package de.bixilon.pixlyzer.physics.input
+
+import net.minecraft.client.input.Input
+import net.minecraft.client.input.KeyboardInput
+import net.minecraft.client.network.ClientPlayerEntity
+
+class CustomInput : Input() {
+
+    override fun tick(slowDown: Boolean, multiplier: Float) {
+        movementForward = KeyboardInput.getMovementMultiplier(pressingForward, pressingBack)
+        movementSideways = KeyboardInput.getMovementMultiplier(pressingLeft, pressingRight)
+        if (slowDown) {
+            movementSideways *= multiplier
+            movementForward *= multiplier
+        }
+    }
+}
diff --git a/src/main/kotlin/de/bixilon/pixlyzer/physics/input/DummyBinding.kt b/src/main/kotlin/de/bixilon/pixlyzer/physics/input/DummyBinding.kt
new file mode 100644
index 0000000..e3d661d
--- /dev/null
+++ b/src/main/kotlin/de/bixilon/pixlyzer/physics/input/DummyBinding.kt
@@ -0,0 +1,12 @@
+package de.bixilon.pixlyzer.physics.input
+
+import net.minecraft.client.option.KeyBinding
+
+class DummyBinding(
+    var value: Boolean = false,
+) : KeyBinding("", 0, "") {
+
+    override fun isPressed(): Boolean {
+        return value
+    }
+}