Stone Circle No one there beside you

He has been running about as fast as he could when Arlette jumped before him. West cried out in surprise as he skidded, quickly turning to run right instead. How was she so fast, she wasn't nearly as big as Greyback. But the young boy did not realize it was actually him who was slow and Greyback could actually be quite slow.

Maybe if he zig-zagged Arlette wouldn't be able to run in front of him, so that's exactly what he did. The only flaw in his plan is that it slowed him down too to turn and bolt again.