Not riding fast enough. Seriously, though, I wish the guy the best in his recovery. Sounds like he's going to be OK. Freak lightning strikes kill a football player at practice now and again in Texas. They can strike even when the clouds look miles away.
Yep...he's on Corvetteforum.com and a frequent poster in Southwest...haven't met him in person, but know him as a fellow forum member. He put a post about it: