Gear Up for 100-Mile and 24-Hour Solo Events

Ultra-endurance off-road events are increasing in popularity and availability. Here is a list of things to test and perfect in your training in order to successfully step up to the distance.

Butt Chafing

10-plus hours in the saddle off-road will chafe even the most hardened rear ends. Apply a lubricant before you start the day. My favorite is Udder Butter. Dual suspension bikes or suspension seat posts are nice.

Electrolyte Replacement

You will be riding through the heat of the day losing electrolytes through your sweat. Replacement is essential. I like Endurolyte capsules by Hammer Nutrition. Take two with breakfast and one per hour while riding.


Keep your engine fueled consistently in order to chug along for hours. A good starting point is 0.5 grams of carbohydrate per pound of body weight per hour. You may ride better on more or less than this.


Weigh yourself before and after long rides to calculate if you drank enough. Drink 24 ounces for every pound lost.

Core Training

Your core supports you on the bike for many hours and needs to be super strong to avoid the dreaded lower-back ache. Focus on mobility and stability with functional core-training exercises such as pikes on an exercise ball or one-leg push-ups.

Specifically strengthen your psoas muscles, which run from the front of your upper leg, through the pelvis to the lower spine. (The psoas, together with the iliacus muscles, are known as the hip flexors.) There are a variety of stretches and exercises (such as lunges) and yoga positions (such as the "Warrior" position), that target the hip flexors.

Bike Training

Do long rides up to 10 hours in duration to test all of the above and, most importantly, to figure out pacing. You need to ride conservatively for the first 50 miles to avoid blowing up at mile 70.

Lynda Wallenfels is a USA Cycling and USA Triathlon certified coach and an Ultrafit Associate. She has also raced mountain bikes professionally, and her finishes include being a two-time Scottish national cross-country mountain bike champion, 2006 solo 24-hour mountain bike race winner at Moab and Old Pueblo, 2006 Trans Rockies Open mixed champion and a second place finish at the 2007 24-hour World Solo Championships. Learn more about her coaching at

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