Shift to Sprint -- Roblox

-- Local script
-- Shift to Sprint
-- Put in StarterGui
-- (sorry for not fixing it before)

inputService = game:GetService("UserInputService")
local plr = game.Players.LocalPlayer
local char = plr.Character or plr.CharacterAdded:wait()

local normalSpeed = 16 -- The player's speed while not sprinting
local sprintSpeed = 26 -- The player's speed while sprinting
local sprinting = false

inputService.InputBegan:Connect(function (key)
    if key.KeyCode == Enum.KeyCode.LeftShift or key.KeyCode == Enum.KeyCode.RightShift then
        running = true
        if char.Humanoid then
            char.Humanoid.WalkSpeed = sprintSpeed
        end
    end
end)

inputService.InputEnded:Connect(function (key)
    if key.KeyCode == Enum.KeyCode.LeftShift or key.KeyCode == Enum.KeyCode.RightShift then
        running = false
        if char.Humanoid then
            char.Humanoid.WalkSpeed = normalSpeed
        end
    end
end)