Jennie Hansen

While you’ve probably heard it’s all about hydration and electrolytes, there’s more you can do to prevent cramping during and after biking.

Physical therapist (and former professional triathlete) Jennie Hansen looks at injury rates for triathlon compared to other sports, including pickleball, football, basketball, and Crossfit.

Want to crush your next ride? Start with the right warm-up. We show you the five moves that should be part of every triathlete’s cycling prep.

Physical therapist Jennie Hansen explains why your feet can sometimes cramp while swimming, plus six exercises to banish foot cramps for good.

Mixed relay was the most exciting event at the Olympics, and now it's the most exciting event to hit the age-group scene. Learn about the distances, how to build your team, and what strategies you'll need to succeed.

Your feet take a pounding in triathlon - so what does it mean when they go numb mid-run? Physical therapist Jennie Hansen digs into the possible causes and solutions.

A data expert analyzes Ironman and 70.3 times to better understand what triathletes should expect as they get older; a physical therapist fills in the "why" and reveals what to do about it.

Swim, bike, run...but not always? Coach Jennie Hansen explains why a quirky off-order brick workout might be just the ticket to next-level performance.

Use our hip mobility guide to assess your weaknesses, improve your range of motion and strength, then get the tools to keep your range of hip mobility in top shape.

Those tingly, buzzy pads from your PT's office are now available over-the-counter, thanks to at-home TENS and EMS devices. But if you want to get the most relief, you've got to use them the right way.

With a few tweaks and changes in focus points, a triathlete can effectively train for a solid offseason marathon, while still keeping some of the balance provided by swimming and biking.

It's the classic long-ride argument—we break down the road v. triathlon cycling discussion.

Maybe you're on vacation and your bike isn't invited, or perhaps you're nursing an injury. Here's what the science says about how quickly you might lose your bike fitness - and how to get it back.

Injury, illness, pool closures, the off-season - there are plenty of reasons why you might not be logging laps right now. Here's what to know about how quickly you lose swim fitness - and how to get it back in a jiff.

You're excited for your first race - so excited, you overdid it in training and now you're paying for it. From plantar fasciitis to swimmer's shoulder, we've got your guide to identifying and treating the most common injuries new triathletes encounter.

You might be sabotaging your entire race (run included) with one of these five easily-preventable mistakes on the bike.

The "run until" trend on TikTok is a new take on the fartlek - and it might just be the workout refresh you need.

From the tailgate to the victory formation, you'll love knocking out this themed bike workout before the big game.

Use these videos to boost your power and efficiency on the bike with our cycling-specific strength circuit.

Whether you're a newbie to the massage-gun game or a percussive power user, we've got the killer tips to help you get the most out of your recovery tool.

From Lucy Charles-Barclay to Linsey Corbin, it seems like stress fractures are sidelining everyone this year. Learn what causes stress fractures, how to diagnose a stress fracture, and what to do if you're hit with this common bone injury.

Running after riding a bike is much different from running on fresh legs. Learn about the physiology of running vs. triathlon running, plus how to estimate your triathlon run time.

Though both use needles, the ways dry needling and acupuncture work are actually different. Here's what you need to know about these recovery and injury treatment methods.

Race week can leave you feeling sluggish and stressed. Keep your muscles activated and firing—and ready for the big day—with these light neuromuscular activation exercises.

No one knows the Ironman Lake Placid course better than race champion and coach Jennie Hansen. Prep with her expert race recon, from Lake Placid course profiles to necessary gear to the best spots for spectators.

An inflammation of the external ear canal, swimmer's ear (or otitis externa) can be painful and put a pause on swim training.

You’re completely wiped out after that long run - so why can’t you fall sleep?

Your training should progress in volume, intensity, and specificity so that you peak at exactly the right time to perform well on race day.

Muscle strains happen when you sprint and the muscle isn’t prepared for the effort expended.

Suffer from quad cramps? Here’s how to fix the problem—and keep it from coming back.

If you're getting dizzy during or after a swim, it’s important to pinpoint the underlying cause.

It's possible to train for a marathon without sacrificing your swim-bike fitness. This 12-week marathon training plan for triathletes will get you there.

Races are finally happening - and athletes are suddenly finding themselves faced with packed, ambitious race calendars. Our complete, comprehensive guide has expert knowledge on everything from workouts to travel tips to mental strategies.

A swollen knee should send you to the doctor—but an important question in diagnosis is when did it start swelling: right after running or later the next day?

Road rash from a cycling crash is not an especially deep injury, but it can bleed and is definitely painful.

Why you get stomach ache after swimming - and what you can do to feel better, fast.