Wow, you asked a question I thought I’d never hear on this forum, and I have an answer for you. I’ve done Marathon des Sables (a 152 mile stage race in the Sahara), Desert Cup in Jordan- a 105 mile non-stop race in the Jordanian desert and also Raid Gauloises (2002 Vietnam) and Eco Challenge ('96, British Columbia). I had good races at Marathon des Sables and at Desert Cup (top U.S. finisher!) but our team didn’t finish either Eco-Challenge or The Raid, we came agonizingly close at The Raid. Bummer.
Ironman is excellent preperation for ultras. It teaches you patience and how to take care of yourself. The largest problems you face in the events I’ve participated in are navigation and foot problems.
Buy the book “Fixing Your Feet” by John Vonhof and John Kozak. Learn the techniques for perventitive foot care maintenance and first aid if things go wrong and you get blisters. This is vital knowledge.
I was lucky enough to attend the finest land navigation school on earth, so navigation is not too difficult for me, but you need to maintain a constant fix on your position on the course. This is also critical. If ace rules allow it, one of the excellent miniature GPS units is invaluable. In Vietnam our team carried two GPS units, mandatory equipment for the race.
Probably the greatest asset to the ultramarathoner is mental tenacity, or utter stupidity. I have both. In the middle of the night when you start to have your doubts about finishing the thing you need to be able to re-orient your thoughts to consturctive ones. Try to stay “in the moment” and don;t worry about how far you still have to go. If necessary, and I find this is different from Ironman where you really have to concentrate to have a good race, let your mind wander.
Remember, essentially, this is what you have to do, so these are the skills you need to learn about (different from Ironman):
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Survive. Unlike Ironman these races have long stretches where you may not have access to aid or other competitors and can take place in potentially dangerous environments. Take responsibilty for your self so you succeed in the event and don’t become a burden on other competitors and the race organization.
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Navigate. Simple. Know where you are at all times and don’t get lost. If (when) you do get lost don’t panic. Simply take the amount of time necessary to calmly do what you need to do to find your position and then get back on course.
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Take care of your feet. Your feet are critical. Learn about using Hydropel, what socks work for you, learn to make the skin on your feet more resilient in the months before the event. By fussy about shoes. I have used Salomon and Montrail. They are both excellent. Fit is the primary concern, but a knowledge of the terrain you are going to be on is also super relevant. Consider mini-gaiters too.
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Travel light. Be obsessive about weight. Tear the tags out of clothing, trim your shoe laces, do anything and everything to save weight without compromising the durability of your gear. With the influx of adventure races there is a lot of awesome gear out there from companies like GoLite, Camelbak, Ultimate Direction, Injinji, Rail Riders, Moletracks and others to make your race more fun.
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Know your nutrition plan. -But you already knew that from Ironman.
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Try using painkillers. It is legal to use over-the-counter medications like Aleve and Motrin in most competitions. Experiment with them conservatively and carefully in training first and inform someone of what you are taking and how in case there are complications. Be careful with this. Some medications, especially Aleve (Sodium Naproxin) can increase the likelyhood of contracting hyponytremia. Managing discomfort is important, and these can be good tools if used correctly.
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Remember, you are member of the truly elite. Ironman is an amazing and very difficult event. Everyone who finishes, regardless of place, is an impressive athlete and that is an enormous accomplishment. I think we all know that about Ironman. However, when you do a race over 24 hours through difficult terrain that forces you to rely on your skill, fitness and courage, you have grown to the next level. In is an incredible accomplishment very few people will ever experience. If finishing Ironman is a “10” finishing a punishing Ultra is a “15”.
If you get the National Geographic Channel on cable or satelite check out Boyd Matsen tonight (Decemeber 24) in the new “Gobi March”, a brutally difficult stage race Ultra through the Gobi Desert. You’ll get tips on gear, shoes and a flavor for racing ultras.
Most importantly, Good Luck and Happy Holidays!