-- Execute this in your Roblox Executor
local ScreenGui = Instance.new("ScreenGui")
local MainButton = Instance.new("TextButton")
local UICorner = Instance.new("UICorner")

-- Setup GUI Parent
ScreenGui.Name = "SpeedToggleGui"
ScreenGui.Parent = game:GetService("CoreGui") -- Put in CoreGui so it doesn't delete on death
ScreenGui.ResetOnSpawn = false

-- Setup Button Appearance
MainButton.Name = "MainButton"
MainButton.Parent = ScreenGui
MainButton.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
MainButton.Position = UDim2.new(0.05, 0, 0.4, 0) -- Left side of screen
MainButton.Size = UDim2.new(0, 100, 0, 50)
MainButton.Font = Enum.Font.GothamBold
MainButton.Text = "Speed: OFF"
MainButton.TextColor3 = Color3.fromRGB(255, 255, 255)
MainButton.TextSize = 14.0
MainButton.Draggable = true -- Allows you to move it around
MainButton.Active = true

UICorner.Parent = MainButton

-- Logic Settings
local fastSpeed = 100
local normalSpeed = 16
local toggled = false

MainButton.MouseButton1Click:Connect(function()
    local char = game.Players.LocalPlayer.Character
    if char and char:FindFirstChild("Humanoid") then
        toggled = not toggled
        
        if toggled then
            char.Humanoid.WalkSpeed = fastSpeed
            MainButton.Text = "Speed: ON"
            MainButton.BackgroundColor3 = Color3.fromRGB(0, 170, 0)
        else
            char.Humanoid.WalkSpeed = normalSpeed
            MainButton.Text = "Speed: OFF"
            MainButton.BackgroundColor3 = Color3.fromRGB(170, 0, 0)
        end
    end
end)

-- Keep speed active even after respawning
game:GetService("RunService").RenderStepped:Connect(function()
    if toggled then
        local char = game.Players.LocalPlayer.Character
        if char and char:FindFirstChild("Humanoid") then
            char.Humanoid.WalkSpeed = fastSpeed
        end
    end
end)