Use up and down arrows to avoid the block. Btw I don't think that the first one was bad by saying improved, although it might sound like it. I was going to add something else here, but I forgot... Also, if you beat it, its literally the same score as everyone else who finished it because you cant go faster, perhaps I could fix that in the future. Wait... was that what I was going to say?
{Thanks to XC--- for the original project 600 meter dash @griffpatch for the run sprite Practically everything else by me.