All Content

We got punctured, swabbed, and wiped (yes, wiped) to determine the best on-demand health tests for athletes - no doctor’s office required.

Whatever kind of strength training you practice, these stretches can help prevent aches and pains

Get excited! More than 100 top triathlon pros will race 70.3 Oceanside on April 5 - see the start lists and race updates here, plus how to watch the free livestream on race day.

Well-documented shifts in on-bike nutrition for the pro cycling peloton is likely having a ripple effect in pro triathlon, but how can everyday triathletes capitalize on carbohydrates?

Triathlete’s guide to the best saddles that increase comfort and power for the long haul. We rate our top picks based on criteria like texture, density, cutout, width, and more.

If downhill biking makes you nervous and you find yourself riding your brakes the whole way, you’re missing out on valuable time savings. Learn how to bike downhill fast for the optimal triathlon finish time.

Shake up your triathlon strength training with a gada or mudgal - we show you how to use this old-school tool in a modern-day workout.

Can you really have a good Ironman race with only 10 hours of training per week? Probably not, says coach Alison Freeman. But this 16-week low-volume Ironman training plan could get you there.

“This sport makes us vulnerable. We cry in private after a bad race, we sweat alone in our basements during tough training sessions. ... Sharing that journey with friends is so important.”

The editors of Outside Run have handpicked the best deals on the internet for huge spring sales on popular models from some of our favorite brands: Hoka, On, Brooks, and more.

The first full-distance race of the Ironman Pro Series is here! Here’s who (and how) to watch the action on the free Ironman South Africa livestream.

Triathlon training might just be the ticket to staying mentally sharp as you age. Dr. Daya Grant explains how swim-bike-run workouts now could reduce the risk of Alzheimer’s, Parkinson’s, dementia, and age-related cognitive decline in the future.

USA Triathlon CEO Vic Brumfield's candid interview on a (surprisingly) growing younger demographic, vanishing local races, a historic American Olympics, a shifting collegiate strategy, and more.

Pool-swim tris are legit races for both beginner and experienced athletes. Here’s how to make the most of your race.

For those seeking the ultimate triathlon test (and maybe a touch of masochism) these events currently stand as the pinnacle of endurance sports.

Pro triathletes face rising costs if they want to race the Ironman Pro Series in 2025 - but what does the $1,500 Ironman pro membership fee really buy, and is it worth it?

The Ironman Pro Series kicks off its 2025 season with fast-and-furious racing in Australia - here’s who (and how) to watch the action on the 70.3 Geelong livestream.

A Kona decision? Back-to-back sprint finishes? As the 2025 triathlon season revs up, our editors and contributors gaze into the crystal ball and tell us what they see.

Consider it karma for all that hip-opening.

The unconventional and irreverent Ryan Willis is using his triathlon background in a quest to win $250,000 on Fox’s new survival show.

Artificial intelligence has gone far beyond simply writing workouts and training plans - we look ahead at the next digital battlegrounds in 2025.

Drop the weights and dive into a better full-body workout with Speedo’s new DMC Fins and improved Vanquisher 3.0 goggles

Triathlon training is good for the heart - until it’s not. Scientists explain how too much endurance training can permanently alter the structure and function of heart, leading to potentially dangerous health issues.

The middle-distance specialist and 2016 70.3 world champion says the challenges of pregnancy and breastfeeding gave her clarity on her next triathlon goal: to qualify for the Ironman World Championship in Kona.

Even in the coldest months, smart nutrition supports recovery, immune function, correct fueling and training adaptation. Scott Tindal explains how to pull it off the right way.

For days when you can't get to the gym but still want a quick-hit core workout, this simple and equipment-free strength session uses yoga staples for maximum effect.

Laura Siddall breaks down eight pro triathletes whose stock is about to take a huge jump in 2025. Learn more about who is on the cusp of a big breakthrough - before it happens.

This month's editor picks include some eco-friendly gear and a way to give your existing gear a second life. Here's what the editors loved this month.

There are countless varieties of protein powders for endurance athletes - but which ones are the best? We shake them all up in our review of taste, nutritional quality, and more.

The return of the Malibu Triathlon, the triathlete who won the “Athletes' Athlete of the Year” award, and Supertri goes all-in on age-groupers - catch up on what you may have missed in multisport for February 2025.

The International Testing Agency has announced that Simmonds has tested positive for Ligandrol, a banned substance, which she claims was caused by exposure through “intimate relations” with her partner.

Tim Heming speaks to athletes, agents, brands, and more to uncover one of the most taboo subjects in professional triathlon: sponsorship.

The organization’s new rules follow World Triathlon’s efforts to crack down on runaway hydration systems and aerobar extensions, while reducing drafting penalties - among other changes.

Spending thousands of dollars on a triathlon bike can be a stressful endeavor, can Apple’s AirTags (or similar tracking product) help provide peace of mind? The truth isn’t as simple as you’d think.

New research uncovers calorie and carbohydrate counts in some popular sports nutrition products are coming up short - and secret ingredients are flying under the radar. Registered Dietitian Matthew Kadey explains what that means for your fueling.

Rate of perceived exertion (RPE) can be useful to subjectively measure your effort.

Anti-drafting technology made its age-group racing debut at Challenge Wanaka - is your local race next? We chat with RaceRanger CEO James Elvery about what’s ahead.

Not sleeping? It might be because of what you’re not eating.

As a thank-you for making us a part of your multisport journey next season, we’ve broken down our favorite tri-related Outside+ member perks for this year.

Race, recover, and relax - all in one epic getaway. Triathlon travel experts share how to plan, where to stay, and how to extend your one-day race into a stress-free race-cation.

"I am Black. I'm from the Caribbean. I am five foot two. I'm plus size. I don’t present as a ‘triathlete.’ But I hope others see me and believe it’s doable."

A growing number of elite athletes and bike designers swear by the aerodynamic benefits of stacking multiple bottles between their arms. We dove deep – and conducted our own DIY testing – in search of answers.

Youth triathlon experts share what's required, what's optional, and what to skip altogether. Plus, how to save money on youth triathlon gear.

The 2025 professional triathlete season is officially underway. Laura Siddall explains what to watch in 2025 and analyzes the World Triathlon Championship Series in Abu Dhabi.

Gear up for the season with these President's Day sales for triathletes.

Models from Asics, New Balance, Hoka, and more have been listed as “prohibited” by Ironman for the 2025 season. Ironman head referee Jimmy Riccitello explains why.

Love looks a little different when you’re a triathlete. From amped-up texts to post-race snacks, these are the ways we know our partners really love us.

With fewer simple options now available for triathletes, we look at the best ways to travel with your triathlon bike, based on your needs.

The right pair of bike pedals can give an increase in pedaling efficiency and power, but the wrong pair can lead to injury, decreased performance, and more.

Exploring the future of flexibility in triathlon events post-COVID.

The 133-page patent filed today shows Nike could be interested in putting valves, fluid, buttons, and “electronic communication features” in future shoes to control the level of support.

What do you do when your first race of the season hits in spring? Pros and coaches share their advice for ramping up early for events like 70.3 Oceanside or Ironman Texas.

What’s the secret behind Russ Callen’s 50-year streak in a small, unconventional triathlon? He’s just having fun with friends.

Researchers analyzed 710 runners and monitored their injuries. They found that one shoe type has a higher running-related injury correlation.

Dr. Jeffrey Sankoff discusses why fitness trumps weight loss when it comes to longevity.

Course cutoff times don’t have to make you nervous or be a race-day distraction. Here’s how to calculate, train and prepare for the run course cutoff.

An enlightening new study revealed just how prevalent the toxic class of PFAS compounds are in smartwatch wristbands. Here’s what triathletes need to know.

Hours upon hours of movies, shows, and short films await on Outside TV - start streaming and actually enjoy your trainer and treadmill time this winter.

Experienced triathletes share their best triathlon advice for beginners or new athletes of any age or ability. Learn their 14 tips.

Testing professional and age-group triathletes for banned substances is important to protect the integrity of racing, but it ain’t cheap. We dug into the financial investment it takes to keep the sport clean.

And they take just minutes.

Triathletes don’t always need to see their M.D. to stay healthy. Dr. Jeffrey Sankoff explains when other experts might be a better fit for health- and training-related concerns.

From a new feature in a popular triathlon smartwatch to a massager for post-training soreness, here's the triathlon gear our editors loved in January 2025.

Changes include new categorization for age-group athletes and requirements for elite transgender women to participate in academic research.

Consumption of ultra-processed foods has been linked to a multitude of health concerns - does that mean we should swap out gels and chews for all-natural sports nutrition?

As winter drags on (and on and on…) triathlon clubs are training together to hit the ground running once spring rolls around.

T100 inks five-year deal for championship host city, a new documentary showcases trailblazing women in triathlon, and an eye-popping Morgan Pearson PR - catch up on what you may have missed in multisport for January 2025.

The Garmin Instinct line has been known for its infamously infinite battery life, but how does an AMOLED screen add function while significantly impacting the time between charges? With the Instinct 3, it's complicated.

Update: Garmin says it has fixed the underlying issue, but there are still steps that affected users have to follow (and they're not simple in every case). Read more.

Nervous about race cutoff times for your first triathlon or stepping up in distance? A triathlon coach explains how to prepare for the bike leg, ensuring less stress about course cutoff times.

There are plenty of energy bars out there - but which are the best for endurance athletes? A sports dietitian ranks the best bars by taste, nutrition, cost, and more.

A new study finds athletes with higher vitamin D levels are stronger, but the big picture remains murky

Aligning your training cycle with your menstrual cycle could have performance benefits. A sports physiology researcher weighs in.

Cleats strapped to my shoes let me get out on roads and trails no matter how slippery

You’re already spending a lot of time on the trainer and treadmill - might as well learn a thing or two from these triathlon podcasts.

Test your triathlon history knowledge (or just get a massive nostalgia bomb) with this look at historic and modern-day triathlon photos.

Looking to trim food costs? You’re not alone. These Costco staples help athletes eat better and save money at the same time.

Triathlete’s guide to the best smart trainers that help you get fit and stay fit all winter long. We personally test and rate our top picks based on criteria like ride feel, power accuracy, ERG mode capabilities, and more.

Using a hyper-detailed approach, Olav Bu and his superhuman Norwegian charges, Gustav Iden and Kristian Blummenfelt, are upending everything we know about fueling.

Taylor Knibb, Sam Laidlow, and Rudy Von Berg are three of today’s top pro triathletes who have triathlon performance literally in their blood. We speak to their triathlete parents to learn what works.

Plus a PT-designed strength plan to improve your performance and stability 

A quality smart trainer for $400? We test out the new budget-friendly JetBlack Victory.

Studies show BCAAs can increase muscle growth and reduce soreness. But what exactly are BCAAs, and should you be taking supplements to make you a better athlete?

More sprint finishes, less swim cancellations, please.

Knowing how to sight while open-water swimming will help you stay on course. Here's how to practice sighting before race day.

With a nearly 30% increase in prize money for pro triathletes in 2024, Thorsten Radde crunches the numbers to see who took home the big share of the $16 million USD up for grabs.

Don’t stress about triathlon swim cutoffs. Take control of your race-day destiny with these tips, test sets, and workouts from coach Andrew Sheaff.

A worn-out sports bra can impact performance. Here’s how to know when it’s time to ditch yours.

The beloved “Woodstock of triathlon” is attempting an against-all-odds comeback after a painful five-year hiatus and tumultuous recent history. It’s a bellwether moment for the sport’s grassroots race scene.

Thirty members of the particularly hard-hit Pacific Palisades-based Tower 26 triathlon group have already lost their homes. We speak to triathletes and coaches displaced and evacuated by the LA wildfires.