The Trans-Iowa V9 is a race of more than 300 miles over gravel roads. | Rob Walters

Alt Race Options for Out-There Weekend Warriors

Amateur athletes are no longer limited to standard races such as a weekend 5K or the occasional marathon.

Published On 07/15/2013
8:30 AM EDT
Alleycat racers cycle along the kinds of routes familiar to bike messengers. |
Colorado's Leadville 100 includes high-altitude running as well as mountain biking. | Glen Delman Photography
Urban adventure races are multi-sport events in cities that use clues and puzzles to drive the competition. | Mike Spiller
Some events put competitors through decidedly unusual scenarios. | Alan Bushnell