function onPlayerEntered(player)
    repeat wait () until player.Character ~= nil
    local s = script.SprintScript:clone()
    s.Parent = player.Character
    s.Disabled = false
    player.CharacterAdded:connect(function (char)
        local s = script.SprintScript:clone()
        s.Parent = char
        s.Disabled = false
    end)
end

game.Players.PlayerAdded:connect(onPlayerEntered)