It happened to me on a training ride with the boys. This is back when I was riding my Litespeed with 650C wheels.

got a flat. guys are ever so helpful so they pulled out their CO2 cartridge to pump up my tire. Less time sitting around ya know... Whoom tire inflates. I'm goin' the tire feels too hard. its got too much. "Nooo it's got the right amount.." "But..." "just start riding..."

Less then two miles down the road, my tire blew up along with the inner tube. GRRRR!!! That day we had someone doing the SAG so I got a ride back to our start/finish line. Major bummer.