What sort of puncture? Could be a burr on the rim, shitty rim tape, dodgy tyre install, tube failure or maybe you spun it so hard it committed hari kiri.
I have no idea, I just did a quick wheel swap and tried to salvage the workout. I'll investigate tonight, but if history teaches me anything its likely due to my heavy handed mechanic skills.
I punctured whilst in the heat of battle on the turbo last night, on a wheel that's never been outside. Fml