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Marathons have become too easy for some runners. What was once the pinnacle of achievement in a runner's life is now a stepping stone for extraordinary adventure in ultramarathoning. The number of ultrarunners - those running distances of 50k (31 miles), 50 miles, 100k (62 miles), or 100 miles - is growing astronomically each year. To date, there has been no practical guide to ultramarathoning. Now, Bryon Powell has written Relentless Forward Progress, the first how-to manual for aspiring ultrarunners.

After sailing 300,000 miles and weathering dozens of storms in all the world's oceans, John Kretschmer has plenty of stories and advice to share. John's offshore training passages sell out a year in advance, and his entertaining presentations are popular at boat shows and yacht clubs all over the English-speaking world. John's talent for storytelling enchants his audience as it soaks up the lessons he learned during his often challenging voyages. Now you can take a seat next to John - at a lesser cost - and get the knowledge you need to fulfill your own dream of blue-water adventure.

There is but one aim: the summit, the summit of Mount Everest. What starts with a trouble-free trek into the Nepalese highlands explodes into a gripping tale of hardship, peril, and adversity. Pushed beyond their physical and mental limits, climbers drop by the wayside. Their primal instincts for survival battle with their dogged resolve to drag themselves to the top of the world. But the focus remains: battle to the summit, and if successful, somehow get back down again.