Geek Outdoor Hobbies?

Embedded Geek asks: "My wife and I, in an effort to get more exercise, have recently begun geocaching, which is basically global scavenger hunt using GPS. We have also been active in the Society for Creative Anachronism and my friends are always trying to draft us into paintball. While we're having a blast with all these, I wanted to see if other slashdotters could suggest more geek style, outdoor hobbies that would appeal to a pair of pasty faced nerds like us."

Comments

A couple of options I enjoy...

[Lancer]

Radio Control airplanes are a lot of fun. Lots of cool gear (you should see some of the computerized radios available), gets you a tan (but with minimal exertion), and can fulfill your "need for speed".

My wife and I also took up kite flying together. Before you envision some sedate, lazy, K-Mart delta kite flying (though that can be fun as well), we're flying stunt kites, such as these or these. Some of these are made of fairly exotic materials for extremely light weights, while others pull like trucks. It's even possible to go for a ride with them - three-wheel trikes and hard-pulling kites make for some fast trips across beaches and dry lakebeds.

Hope this piques your interest!