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The Murph Challenge

By Maggie Fazeli Fard

This challenging workout — 100 pull-ups, 200 pushups, and 300 squats bookended by one-mile runs — is more popular than ever. World-record holder Alec Blenis talks about how to tailor it to your unique skill level.

Mechelle Lewis Freeman sprinting on a treadmill in an Ultra Fit class alongside other individuals.

The Beginner’s Guide to Sprint Interval Training

By Mechelle Lewis Freeman

An eight-week sprint interval training (SIT) program that newbies can use to reap the benefits of this intense exercise method — or to prepare for taking your first Ultra Fit class.

The legs of individuals who are sprinting on treadmills.

The Science of Sprinting

By Julie Dulude

Sprint interval training (a.k.a. SIT) can boost your fitness and transform your body at a cellular level — and Life Time is putting it to work in its Ultra Fit training class.

a woman running with the bright sun shining in the background

The True Source of a Runner’s High?

By Michael Dregni

Could endocannabinoids —not endorphins — be the answer?

various people running

How to Train for Your First 5K

By Maggie Fazeli Fard

This beginner-friendly plan can help you become a 5K runner in just 90 days.

A person ties their shoes.

PUMPING IRONY: Born to Run?

By Craig Cox

Late-blooming runners are routinely beating veteran racers at the national level, raising questions about the toll decades of training exact on the body — and why we choose to run (or not) in the first place.

Frankie Ruiz

Get Your Run On

With Coach Frankie Ruiz
Season 2, Episode 12

Regardless of your age, speed, geographic location, or economic status, running can be a lifelong sport. Coach Frankie Ruiz, co-founder of the Life Time–Miami Marathon, shares his top tips for training, whether you’re a new runner or getting back into it.

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