It's a very long one, yes. 3.8km swim, 180km bike and 42.2km run. I think it's doable in a 12-24 months time frame - so next year he can do it. If I was him,

It's a very long one, yes. 3.8km swim, 180km bike and 42.2km run. I think it's doable in a 12-24 months time frame - so next year he can do it. If I was him, I would register for a half one for the end of this year / beginning of the next, and a full one for late 2025.