Zach Bitter Breaks His Own American Record - 100-Mile Run in 11:40:55

On December 29, 2015, Zach Bitter returned to the Desert Solstice Invitational Track Meet in Phoenix, AZ to break his own 100-mile American Open Track Record in 11:40:55. For those tabulators at home, that's a 7-minute mile… for 100 straight...
on December 21, 2015

How Does Extreme Endurance Work? Interview With Xendurance Owner: Sandy Kellin

Sandy Kellin, owner of Xendurance explains Extreme Endurance You hear about lactic acid. Lactic Acid is one part lactate and another part acid. Within the two, we have this hydrogen ion that is an acid.In our work to create an...
on September 03, 2015

Extreme Endurance - A Nutritional Supplement Well Worth a Look By Anyone During Training or Competition

You have trained, suffered, and sacrificed. Tears have been shed, blood spilled. You have won, and you have been beat. You are constantly getting better, running faster, lifting more. But that's not enough; you want more power, more endurance, more...
on September 01, 2015

Best Kept Secret in Sports Science: How to Lower Creatine Kinase (CK Levels) and Dramatically Improve Athletic Performance

Regardless of your sport or method of training, studies prove that by using Extreme Endurance, you will dramatically decrease muscle damage and trauma, along with decreased muscle soreness and muscle burn. Results that lead any athlete to quicker recovery times...
on August 27, 2015