Online triathlon and duathlon related magazines, as well as websites belonging to offline publications.
For magazines that are not specifically dedicated to triathlon or duathlon, see the appropriate subcategory of Sports: News and Media: Magazines.
Multisport and endurance sports news headlines and summaries from popular triathlon sites automatically updated throughout the day. http://www.3athlete.com/
Online triathlon magazine with product reviews, a bike fit guide, training tips, and several regular columnists. The editor is Dan Empfield, the founder of Quintana Roo. http://www.slowtwitch.com/