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…

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 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 runn…

As published in the March 2007 issue of UltraRunning Magazine. For many years, the focus for hydration in endurance running has been on drinking enough because of to become dehydrated in the heat…

As published in the June 1998 issue of UltraRunning Magazine. My introduction to nausea in an ultra took place in my first Ice Age Trail 50. At 42 miles I was feeling great, but came across a you…

As published in the October 1999 issue of UltraRunning Magazine. When ultrarunners think of running-related injuries, they usually think of conditions affecting the musculoskeletal system: the bo…

The layman thinks it is hard to run an ultra because of the great distances involved - I get tired just driving that far. Yet foot problems and stomach woes are more threatening to the ultra runner th…