Obviously not MTBing in the lightning, but let's see some shots you've captured of lightning.

Sept '12. The lights you see in the first picture, behind the lightning, are the top of Pikes Peak.

D7000, ISO 800, exposure 15.2 sec, f11, 55mm focal length
How about lightning?-pqp_1358.jpg

D7000, ISO 800, exposure 42 sec, f9, 55mm focal length
How about lightning?-pqp_1385.jpg