Caffeine is all around us in the form of coffee, tea, and chocolate, but most runners don’t have sufficient knowledge of the substance to use it well in an ultra. It can be useful, which is why there are IOC rules on caffeine excess in competition,…

The following article appeared in the May 2007 issue of UltraRunning Magazine.Over the last 12 years, ultra-endurance athletes such as ultramarathoners and adventure racers have become more aware of the need for water and electrolyte balance during t…

Advice based on experience by Karl King. Karl isn't a physician, registered nurse or emergency medical technician. But as a veteran long-distance runner and director of races five kilometers runners suffering and staggering along wilderness trai…