28-Days-to-Lean Meal Plan
With the right plan and the right discipline, you can get seriously shredded in just 28 days.
Read articleMuscle & Fitness executive editor Zack Zeigler always knew the Iceland Ultra would be the most difficult Spartan Race to date, but the rugged Icelandic terrain, slushy wintry mix, and few hours of daylight have him second-guessing whether he’ll reach his goal of 30 miles in 24 hours.