One couple plans to swim 2.4 miles, bike 112 miles and run 26.2 miles down the aisle at IRON...

By Ashley Saylor

Glutes are the new abs, and for good reason. Time to get better acquainted with the muscle g...

By Ashley Oerman

The term "lactate threshold" is used as frequently in a runner's training as "interval" or ...

By Pete Rea

If you're in the midst of training for a century ride, what is the best way to test your pro...

By Marc Lindsay

American professional cyclist Megan Guarnier had the biggest year of her life in 2015. Can s...

By Melanie Clancy

Are your ready for Part 2 of the Beach Body Workout series? Get fit for summer and train you...

By Nia Shanks

A new challenge for the presidential candidates and the ultimate running survey—here are thi...

By Jackie Veling

Prepping for a century ride requires more than weekend rides in the park. Our editor found a...

By Brian Kendall

Looking for motivation to get out the door for a run? Learn why running will undoubtedly mak...

By Karen Janos

Thousands have joined the Facebook group, "A Year of Running" in hopes of improving their ov...

By Jackie Veling