Runner-Up: Under Armour Revenant
Ultra-plush cushioning and extra stability in the midsole help guide your foot into a soft landing and reduce shock to your knees and ankles. The shoe's ventilated sock liner prevents overheating. "I felt supported enough to push harder and faster during runs," Wesson says. "Plus, my 9-year-old son thinks his mom has 'cool' shoes." ($120, underarmour.com)
Our Expert Tester: Michelle Wesson, 34, Flagstaff, Arizona
Wesson averages 50 to 65 miles per week. Each year she competes in the Flagstaff Summer Running Series -- four 10Ks, one 15K, and one half-marathon in 2009 -- and she hopes to finish the Los Angeles Marathon in under three hours this month.