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Once solely the realm of pros and high-end carbon outfits, 3D printing is changing the way we build (and fit) tri gear.

Multisport hasn't been immune to the specter of drug use in its ranks. We take a look at the sport's dark past.

There is evidence to suggest this popular footwear option might be a contributing factor in bone stress injuries.

It’s no shock that being a pro triathlete is an expensive venture, but short-course, draft-legal racing takes a (costly) team of experts to get to the top. We look at who pays for what and why.

Build your cycling fitness and power with this workout from one of the sport's most experienced coaches.

When "good enough" starts to slow you down.

Look at each phase of your freestyle swim stroke to find areas where you can improve quickly.

An out-of-competition test by Ironman in February of this year detected the presence of erythropoietin (EPO) in a sample collected from 2022 U.S. Open Triathlon winner Collin Chartier.

Last weekend we had top-tier professional racing from Texas to Taiwan and Peru to the Canary Islands. Here’s who broke the banners and made the bucks at the biggest races from the past two days.

Running fast is just as much a mental effort as it is a physical one. Six-time Ironman World Champion Mark Allen shares a track workout to build the required skills for both.

While trying to qualify for an English Channel crossing, swimmers swallowed ingestible thermometers. They got really cold.

Want to get started? We've got you covered with this 8-week couch to triathlon training plan.

Mother’s Day is right around the corner, and we’ve got the gear/advice to help upgrade that special person in your life.

We all love new gear, but what’s the best, most environmentally conscious way to deal with your old stuff?

Going green in a sport with so much stuff can be tough. We break down why eco-friendly tri gear is so rare.

Though you may be racing with freestyle, that doesn't mean you should only train with freestyle.

Racing a 70.3 requires some nutritional planning.

The higher your VO2 max, the more oxygen your cardiovascular system can deliver to your muscles—which means they can work harder and last longer.

Improve (and use) all four quadrants of your pedal stroke.

Because tossing that neoprene in the dumpster is trashy.

While racing 140.6 miles of swimming, biking, and running may feel like a daunting task, our editors have compiled our vast resources into a comprehensive guide on how to train for an Ironman.

You hear the word "activation" used a lot in training plans and by coaches. But what does it mean? Use these videos to learn how to activate your muscles for swim, bike, and run.

The traditional home of the Ironman World Championships takes place in one of the world's most biodiverse ecosystems. Could splitting the event actually help reduce triathlon's impact on the island of Hawai'i?

Here are nine common signals you should pay attention to and what they mean when you experience them.

Plus: What should we make of the PTO-Ironman face-off next month?

This bike workout, combining physical effort and mental mastery, helped six-time Ironman World Champion break through his limits and race strong all the way to the finish line.

The fundamentals of how to breathe when swimming so you stay comfortable, relaxed, and fast in the water.

Don't let the short sets in this workout fool you - collectively, these sprints pack a punch!

Record-breaking, high-tech materials from the ‘00s are still having a ripple effect on rules that could cause disqualification and even harassment for some athletes.

Perhaps even the best rest of your life.

For anyone who’s ever stood at the finish line of a 5K, 10K, or half-marathon, and asked “what’s next,” we have the answer.

Aquasphere’s top-of-the-line neoprene is heavy on features, but light on material. We take a look at what works and what doesn’t on this $750 suit.

What are the cutoff times for sprint, Olympic, 70.3 and Ironman races - and why are they enforced?

2022 data from more than 45,000 Supersapiens users can give us insights into when and how athletes fuel - and ways we can improve.

More reps with less weight is the endurance athlete's ticket to strength training that actually leads to success on race day.

This well-established European brand is making a big effort to come across the Atlantic. The result is a budget-friendly suit with tons of float (and a few little quirks).

New Esports Triathlon World Champions were crowned, a 15 year-old triathlete took home a nice paycheck, and Gustav Iden got a penalty before the race even started. Brad Culp recaps the Super League Arena Games finale in London.

Six-time Ironman World Champion shares what he calls the "ultimate race-prep drill" to find a new physical and mental gear in the swim.

With training and racing as her muse, artist Cynthia Wells paints to portray the beauty in the sport.

Build your endurance with sets of 300, using this workout from coach Sara McLarty.

Move over, abs: When it comes to core strength, your hips are in control.

Can you do a 70.3 as your first triathlon? Yes. But should you? Coach Alison Freeman dives into what you need to know about going all-in on the half distance for your first race.

Can Gustav Iden survive the "Group of Death"? Will Gina Sereno and Chase McQueen pull off a couples' championship? Tune in to the blockbuster finale of the Super League Arena Games Series this weekend to find out.

With a breakthrough win at Oceanside, the Canadian cemented her reputation for running through rivals on the course - and through their heads off it.

Do you know your Clifton Strengths, Enneagram, or Meyers-Briggs type? Some triathletes, including those at USAT’s Project Podium, say personality assessments have revolutionized the way they train and coach.

Add these all-important nutrients in your post-workout meals to refuel what you've lost.

Studies show anywhere from 20 to 41 percent of triathletes are addicted to exercise - and that's not necessarily a good thing.

New research shows a keto diet may indeed have benefits for older sedentary individuals - but for endurance athletes, not so much.

As it almost always does, Oceanside lived up to the hype as the biggest race of the spring.

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

If you're neglecting the proprioception part of the running equation, you're missing out on free speed. Six-time Ironman World Champion Mark Allen shares drills to recruit the physical and mental muscles for better balance and a more powerful stride.

If Saturday's race was any indication, we're in for an amazing season of professional triathlon.

The biggest triathlon stories to make waves this month.

A go-anywhere run short, soda with a healthy twist, and a free 5K series - these are just a few of the things our editors loved most this month.

Vitamin B12 is an important player in keeping your engine running and your energy levels up. Find out which foods can increase your intake naturally.

Struggling to get back to consistency at the start of the season? This three-week base training plan, complete with workouts and test sets, will help you transition from hit-and-miss sessions to a regular swim-bike-run routine.

Greg Durso shares how a post-paralysis Ironman led him on a career journey to inspire and empower thousands of others with disabilities to pursue their recreational dreams.

Age may be just a number—but so is your weekly mileage.

In an exclusive interview, we caught up with Kat Matthews in Boulder, Colorado to find out about her post-collision rehabilitation, big sponsorship changes, and why racing in SoCal is more than just a stopover on her planned return to the pinnacle of the sport.

Building a strong relationship with your coach can be critical to achieving your training and racing goals.

While triathlete moms relish in recent maternity leave and pregnancy clauses, they say more can be done.

WTCS world champion Leo Bergere is plotting a smash-and-grab win at 70.3 Oceanside before returning to the day job of his Olympic quest.

The unofficial start to the North American professional triathlon season isn’t until next weekend at 70.3 Oceanside, but there was still plenty of action on the other side of the globe. Brad Culp recaps the New Plymouth World Cup, Hell of the West, and 70.3s in Geelong and Davao.

This week’s Mental Mastery workout from six-time Ironman World Champion Mark Allen will improve your mind’s ability to tell your legs how to get those bigger watts and how to sustain them.

Lucy Byram is making a name for herself in 2023. We talk to the young pro about how she pulled off wins at Clash Miami and Challenge Puerto Varas just one week apart, plus the workouts that helped her get there.

Researchers test the assumption that top athletes are more sensitive to internal cues, with surprising results.

Whether you took the last few years off or raced at any opportunity available during the pandemic, there's no doubt things are different this year. Here are 9 things you need to know as we rev up for the 2023 season.

Stingrays, seal bites, and bears - oh, my! We look back on six times animal encounters wreaked havoc during triathlon races.

Smoothies are the perfect vessel to pack in the vitamins and benefit from anti-inflammatory nutrients.

Ever lost feeling in your fingers during a ride, had a numb foot during a long run, or felt pain in the brow after a swim? Nerve entrapment syndromes are the culprit - and they’re really common in triathletes.

Our initial testing reveals the updates to the beloved, game-changing Nike Vaporfly make it an even better racing shoe than before.

Fifteen-time US XTERRA champion Josiah Middaugh is a bona fide legend of off-road racing. His teenage son, Sullivan, has now decided it’s time to grab the torch - no matter how hot it is.

Set yourself up for swimming success with drills that work on the fundamentals like body position, breathing, kicking, and relaxing.

Which of these hand positions is best for swimming? Read on to find out.

Discover stories from Triathlete, Outside Online, Clean Eating, Yoga Journal, Backpacker, Women's Running, and other brands across the Outside Network - all in one place.

Ukrainian triathlete Vitalii Vorontsov used to want to compete at the international level to prove his strength to himself. Now, it’s for the eyes of the world.

We review six of the hottest triathlon smartwatches from the last year by price, specs, and an eight-point rating system.

Columnist Brad Culp recaps a weekend of racing that included Anne Haug’s 1:16 run split at Ironman 70.3 Lanzarote, back-to-back wins from Lucy Byram, and a dominant performance from Team USA in paratri.

When members of the Penticton Triathlon Club learned their town's oldest triathlon was at risk of extinction, they rolled up their sleeves to save their beloved local race.

Armed with research, a new app is increasing accessibility to post-partum rehab for runner mothers on their journey back from childbirth.

Six-time Ironman World Champion Mark Allen shares a combo dryland/pool workout that will make you physically and mentally stronger.

Though the heyday of women’s-only events may have come and gone, there’s a resurgence of female events on the horizon. But why?

An expert gives us an insight on cordyceps, and it turns out we have no reason to fear.

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

The Rivera 3 delivers the benefits of Altra's footshaped fit and balanced, zero-drop design without feeling weird.

A look back at the early days of the Danskin Women's Triathlon Series. 

The latest in the Gustav Iden Shoe Saga exonerates the On CloudTRI1 shoes used in Abu Dhabi - but opens up even more questions.

Hold onto your hats - there's a new supershoe in town. We hands-on review the new Hoka Rocket X2.

From 1974 to today, these races shaped the sport of triathlon.