The Unique Bodily Demands of an Ultramarathon

Ultramarathon pic
Ultramarathon
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Since 1993, Sharyn O’Halloran has been an instructor at Columbia University, where she currently serves as a George Blumenthal professor of political economy. During her free time, Sharyn O’Halloran participates in distance running, and has run multiple ultramarathons.

The ultramarathon, a race exceeding 26.2 miles and often extending as far as 50 or 100 miles, makes unique demands on the body. Ultramarathons cannot be approached like a normal marathon, where runners maintain a reasonably consistent pace throughout, and spend as much as 85 percent of the race at their maximum heart rate. Ultramarathon runners typical spend close to half the race at that level of intensity, but may also walk or hike regularly. The more varied terrain can cause injuries as well, which range from blisters to stress fractures.

The nutrient intake during an ultramarathon route also differs from a conventional marathon. Because these races can last as much as a full waking day, aid stations stock more than just water, sports drinks, and gel. Substantial food such as burgers, burritos, and sandwiches, and even calorie-dense fare like candy and soda, can often be found at these aid stations. Runners rely on both salty and sweet foods as a means of retaining water and rebuilding energy during an ultramarathon.

Myths about Running in an Ultramarathon

Ultramarathon
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Sharyn O’Halloran has been working in public affairs and political science for more than 25 years. The George Blumenthal Professor of Political Economics at Columbia University, Sharyn O’Halloran has authored numerous publications and given dozens of speeches around the world. Outside of her work, Dr. O’Halloran is an avid runner and participated in her first ultramarathon in 2013.

Here are several myths about ultramarathons that may hold back some athletes:

You need to be in the best shape of your life. If you are waiting until you are in the best shape to run an ultramarathon, you likely will never run an ultra. While being in less-than-perfect shape may make the experience more difficult, having excess weight does not mean you can’t cross the finish line. Determination and mental strength are more important for ultras than having the perfect body.

You have to be young. When many people go to their first ultramarathon, they expect to see young runners who are right out of high school or college. But runners do not have to be young to compete. A large number of older runners compete in many ultramarathons.

You’ll slow down. As you train for an ultramarathon, you may hear that you should find a slow pace and slow down more as you run. While you may slow down as you become tired, you can work on your endurance to ensure that you maintain a comfortable pace throughout the race.