Sulu pulled Ianto into the cluster of trees but didn't stop, forcing them to continue even as he heard the creature slow down slightly, like it was trying to decide if they were worth going after. He'd rather keep running until he couldn't hear it at all, if it was all the same to Ianto.

He knew he wasn't going to be able to run forever, just like Ianto wasn't going to be able to, but that didn't mean he wouldn't try. They mostly just had to put enough distance to be considered worthless to the creature, but Sulu wasn't sure when that would be.

The trees splintered as the thing burst through them, and Sulu swore, his chest tightening as he started to feel the burn of running in his lungs. He wanted to tell Ianto that he wasn't sure what they could do, but he didn't have the breath to waste on it, and besides - he was pretty sure Ianto didn't have an idea either. They'd put a good amount of distance between them and the beast, but it wasn't enough.