diff --git a/377-Run-Energy.mediawiki b/377-Run-Energy.mediawiki
new file mode 100644
index 0000000..e2842e8
--- /dev/null
+++ b/377-Run-Energy.mediawiki
@@ -0,0 +1,18 @@
+[[Category Packet]]
+[[Category Packet 377]]
+{{packet|name=Run Energy|description=Sets the player's run energy in the client.|opcode=125|type=Fixed|length=1|revision=377}}
+== Run Energy ==
+
+=== Description ===
+Sets the player's run energy in the client.
+
+=== Packet Structure ===
+
+{| border=2
+! Data type
+! Description
+|-
+| Unsigned [[Data Types#Standard data types|Byte]]
+| The energy level.
+|-
+|}
\ No newline at end of file
diff --git a/Categories.mediawiki b/Categories.mediawiki
index d8d83c8..a7b4dc1 100644
--- a/Categories.mediawiki
+++ b/Categories.mediawiki
@@ -2,10 +2,10 @@
 The following categories contain pages or media.
 * [[Category Cache]] (3 members)
 * [[Category Data Type]] (3 members)
-* [[Category Packet]] (103 members)
+* [[Category Packet]] (104 members)
 * [[Category Packet 194]] (4 members)
 * [[Category Packet 317]] (90 members)
-* [[Category Packet 377]] (5 members)
+* [[Category Packet 377]] (6 members)
 * [[Category Packet 474]] (3 members)
 * [[Category Packet {{{revision}}}]] (1 members)
 * [[Category RS2]] (14 members)
diff --git a/Category-Packet-377.mediawiki b/Category-Packet-377.mediawiki
index f537913..458ad5d 100644
--- a/Category-Packet-377.mediawiki
+++ b/Category-Packet-377.mediawiki
@@ -1,8 +1,9 @@
 <!-- DO NOT EDIT BELOW THIS LINE, OR CHANGE THIS COMMENT, CODE AUTOMATICALLY GENERATED BY category.sh -->
 == '''Pages in category "Packet 377"''' ==
-The following 5 pages are in this category.
+The following 6 pages are in this category.
 * [[377 Construct Map Region]]
 * [[377 Interface Animation]]
 * [[377 Logout]]
 * [[377 Protocol]]
+* [[377 Run Energy]]
 * [[377 Send Sidebar Interface]]
diff --git a/Category-Packet.mediawiki b/Category-Packet.mediawiki
index 3e03be0..2a902b0 100644
--- a/Category-Packet.mediawiki
+++ b/Category-Packet.mediawiki
@@ -1,6 +1,6 @@
 <!-- DO NOT EDIT BELOW THIS LINE, OR CHANGE THIS COMMENT, CODE AUTOMATICALLY GENERATED BY category.sh -->
 == '''Pages in category "Packet"''' ==
-The following 103 pages are in this category.
+The following 104 pages are in this category.
 * [[194 Clear screen]]
 * [[194 Logout]]
 * [[194 Protocol]]
@@ -99,6 +99,7 @@ The following 103 pages are in this category.
 * [[377 Interface Animation]]
 * [[377 Logout]]
 * [[377 Protocol]]
+* [[377 Run Energy]]
 * [[377 Send Sidebar Interface]]
 * [[474 Fourth Interface Option]]
 * [[474 Protocol]]