"Obviously, I'd be lying to say I wasn't a little disappointed that I hadn't made the team,'' acknowledges the Flames' blue-chip defence prospect coming on two years later. "I'd been at the camp that summer and was one of the last guys they let go.
"I mean, to win a tournament like that, in your home country … those opportunities come along once-in-a-lifetime, if you're lucky.
"So of course you're watching the celebrations and thinking 'What if?' just a bit, wishing you were a part of it.
"That's what you imagine, growing up. Being part of something like that.
"But seeing all the fans reacting to Finland winning the gold medal at home was amazing, anyway. Great for the whole country.
"A really, really big kick for junior hockey back home."
That kick he mentioned, Finland's home-ice 4-3 world junior championship compelling title triumph over Team Russia at Helsinki's Hartwell Arena went, in only 12 months time, to a hard, swift kick in the …
With Valimaki a year older, having graduated from spectator to protagonist in the interim, the Finns struggled out of the gate at the Toronto-Montreal co-hosted 2017 WJC event, finishing a dispiriting 1-3 and shunted to the relegation side, a dubious first for a defending champion. The failure cost coach Jukka Rautakorpi his job, before the tournament had even ended.
The four-time world champs only remained in the top flight by beating Latvia in a best-of-three series, in two straight games.