Ciarán Murphy

But I kind of just feel this is all a...

It's like an arms race between the different manufacturers.

I know this is the same in a lot of sports.

Tennis and others have changed irrevocably.

It's often quite suddenly.

But I don't know, there's very few sports where it's changed as suddenly as it did in running, where you had this era that John Tracy and all these guys, like John Tracy's Irish record is absolutely obliterated.

He didn't still hold it, but you know, this is faster than that.

It's like the swimsuit, I suppose.

The swimsuit is quite similar and that was hugely controversial and then actually gotten rid of quite quickly.

I'm not even advocating for that.

It's just that it doesn't excite me that much when once those shoes were brought in, you're just looking at, okay, these guys are all as talented as previous generations.

Are they any more talented?

Probably not, but they're running in faster shoes now.

So eventually they go below this barrier.

That's it.

That's my section.

Well, shouldn't we cover that book a number of years ago?

Born to run.

God, took me a second there.

No, barefoot running, no.