ROBLOX Run Script

local Player = game.Players.LocalPlayer
local Mouse = Player:GetMouse()
local Run = 252176177
local Walk = 180426354

Mouse.KeyDown:connect(function(Key)
if Key:byte() == 50 then
Player.Character.Humanoid.WalkSpeed = 0
wait()
Player.Character.Animate.walk.WalkAnim.AnimationId = "http://www.roblox.com/asset/?id=" ..Run.. ""
Player.Character.Humanoid.WalkSpeed = 32
end
end)

Mouse.KeyUp:connect(function(Key)
if Key:byte() == 50 then
Player.Character.Humanoid.WalkSpeed = 0
wait()
Player.Character.Animate.walk.WalkAnim.AnimationId = "http://www.roblox.com/asset/?id=" ..Walk.. ""
Player.Character.Humanoid.WalkSpeed = 16
end
end)