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Experts say the close bonds you form with your training buddies are no surprise. Here’s why.

Your roundup of news from the multisport world this week.

Chin up. You don’t have to dread the months ahead. Running through the darker months can have a different vibe and tempo, and that's okay.

New research finds that, all else being equal, runners don’t have more gastrointestinal problems than cyclists

Outside of the Hawaii Ironman, few multisport events have as much beauty, competition, and history as Ironman New Zealand. We take a look back at the iconic event.

Two-time organ donor and ten-time Ironman finisher Tom O'Driscoll is out to show how saving a life by becoming a living organ donor doesn't have to limit health or fitness.

Researchers have spent years trying to solve the pain puzzle—with mixed results. We unpack the complex relationship between endurance athletes and pain.

We tapped Olympian and gutsy long-course pro Ben Kanute’s form and strength coach for this creative swim, bike, and run mobility routine.

Work, family, training - you've got a lot on your plate. That's why we’ve packed this one-week meal plan with plenty of antioxidant-rich veggies, protein, and healthy fats to crank up your energy.

Not only did the Canadian race a bi-coastal double header, but he took down some top names in the process. Read the story behind his December adventure.

No Kona? No problem. Get creative with some fun multisport events that don’t end in “-onman.”

There’s more than meets the eye when it comes to how the six-time national champion Sun Devils became the gold-standard NCAA triathlon team. (And we’ve got two of their key workouts.)

Stair running worked for Rocky. Could it work for you, too?

Hoka (finally) reveals “That Shoe” we saw in Kona, a look at a funky (and pricey) pair from Mizuno, Reebok revamped, and more from last week's The Running Event in Austin, TX.

From the low desert of California, to the the World Center of [car] Racing and the far-Western reaches of Australia, there was a lot going on last weekend. Columnist Brad Culp recaps.

Nitrates - found abundantly in beets, beet juice, and beetroot supplements - have been found to boost athletic performance. But how much should you take, when, and why? Scott Tindal digs in to the science.

Susana Rodríguez is undefeated in the women’s PTVI paratriathlon category since 2019 - a feat made even more impressive when considering what she's accomplished off the course as a physician and advocate.

We've tested a wide range of the newest and best bike trainers from entry-level to deluxe and rate them on a nine point system that includes everything from value to calibration to build quality and measured loudness.

Your roundup of news from the multisport world this week.

We sit down with Andrew Messick to get the inside insight on what went wrong in Kona this year, the reasoning behind “half announcements,” why the split world championship location could be a good thing, and more.

With finishes at almost every Ironman-branded race offered since 1988, John Wragg and Elizabeth Model, take Ironfan to the next level. Read about how the globetrotting, distance-obsessed couple have attained legendary status in the sport (and which events are their favorites).

Lionel Sanders, Paula Findlay, Sam Long, Tamara Jewett, Jackson Laundry - there's no shortage of star power at this weekend's Ironman 70.3 Indian Wells. Tune in to the free livestream on Outside Watch this Sunday, December 4.

Most endurance athletes don't truly understand the concept of "threshold" - and their training is suffering for it. Dr. Philip Skiba explains the science of this critical training measurement.

Facing local community pressure, Ironman announced that men's field would no longer be racing at the Hawaii Ironman World Championships in Kona in 2023.

It’s not just about looking good on the road. Looking good in the virtual world counts just as much—and here we have a rundown of the 10 best-looking kits on Zwift for winter 2023.

The largest active volcano on earth, located less than 30 miles from the start of the Hawaii Ironman World Championship, erupted Sunday with waves of lava, sending an outpouring of ash 100 to 200 feet into the air.

Racing a magically short course? Trapped forever in a wetsuit in transition? Dangling like a rhino from a helicopter? If you’ve ever had a weird tri-related dream, your mind could be telling you something more than just “relax, buddy.” We dig into seven of your fellow triathletes' oddest nighttime visions.

Runners make bigger improvements following a flexible workout schedule rather than sticking with a predetermined one

The racing in Abu Dhabi was even more exciting than the FIFA soccer being played 300 miles away in Doha. Nearly 1,500 miles away in Israel, Patrick Lange had the entire running and triathlon world wondering if the shoes are getting too damn fast.

There's no shortage of triathletes in their 40s and 50s - but is triathlon really the clichéd midlife crisis, or something else entirely?

Burnout, injury, pregnancy, major life changes - sometimes "life" happens, and it takes you away from the sport. These five triathletes share their stories of how they found their way back - and fell in love with swim, bike, and run all over again.

Plus, American Grace Norman wrapped up an undefeated season with her third world title; paratriathlon made its Championship Finals debut, and more from Abu Dhabi.

Wellness trends often rely on catchy jargon, complex methods for optimizing health and fitness, and unsustainable practices. Our health columnist believes that simpler is usually better when it comes to developing a routine.

Your roundup of news from the multisport world this week.

Instead of suffering through the swim to get to the bike and run, learn to embrace this first crucial leg and set yourself up for a successful triathlon.

On your mark, get set, shop! Use our guide to savings with these 2022 Black Friday deals of the swimming, cycling, and running variety.

New data shows that, unlike a car, you can’t perform well with a half-full fuel tank

We put 49 pairs through their paces. These 7 came out ahead.

Nothing tastes better than a beer - that is, except for a beer sipped while wearing a finisher's medal. Here's where to find your fellow athletes around the world for a post-race cheers.

What you need to know about racing back-to-back (to-back-to-back) days.

After her diagnosis halted her physical activity for two years, runner Mireille Siné returned to the sport with a new outlook

Super League Tri may look like a polished, glitzy parade of familiar names and faces, but deep in the trenches young pros are learning big lessons the hard way.

Sarah True and Joe Skipper burned down the course at Ironman Arizona, while the heat proved to be a formidable foe at Ironman Cozumel. Brad Culp recaps the weekend of racing.

From new precision surgery techniques to biologic options, a bum knee no longer needs to put you on the bench. Here's what endurance athletes need to know about knee replacement surgery.

Your roundup of news from the multisport world this week.

Here’s how to identify and respect your body’s limits as you work to improve your hip mobility

From local race director to USAT's first-ever female CEO, Victoria Brumfield has worked at every level of triathlon. We talked with the trailblazer about what's ahead for the organization and the sport.

Unwise lifestyle choices jacked up the amount of bad fat in my bloodstream. Could I fix this by getting back in the saddle and eating right?

Instability puts strain on your Achilles tendon. Train your body to support your stride from the feet up.

As "The Voice of Ironman" prepares to call his final Ironman races, Mike Reilly looks back at the best job in the world: welcoming more than 350,000 triathletes across the finish line after 140.6 miles of swim, bike, and run.

He’s seen sunrise after sunrise—and even a burglary in progress. Learn about the man who trains (way) more than you do, all before your alarm even goes off.

This helpful tool can be used to set training zones and track performance gains over time. Understand more about power-to-weight ratio using our charts and expert tips from coaches Joe Friel and Dan Plews.

The metrics-heavy Elite Justo won't be on the market in the USA until 2023, but we got our hands (er, bike) on this much-hyped trainer for an in-depth review.

Italian smart trainer brand Elite holds nothing back technologically in the Elite Justo. But is it worth the $1,200 price tag?

From monster mileage to extremely high cadence riding to superfood-only fads, triathletes are easy picking when it comes to training trends that might not actually work that well. We look back at the history of "magic bullet" training methodology and ask the most important question of all: What were we thinking?

How to keep your six-pack and upper back engaged while trapped on all-day videocalls to best benefit your swim, bike, and run.

A new study looks at why side stitches happen in runners - and it has nothing to do with your fitness level or what you ate before your workout.

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.

Research suggests that we might be missing out on powerful mental health benefits by choosing to train indoors versus natural outdoor environments.

Two recent mid-race, car-vs.-cyclist crashes highlight the need for full road closures so triathletes can race safely. But doing so is a complex (and expensive) process.

Stiff and unstable hips put strain on your hamstrings. Here’s how to assess and improve hip mobility, posture and rotational strength.

Your roundup of news from the multisport world this week.

This blood marker is a warning sign that your body may be dangerously low in iron.

Normatec focuses on portability with the release of their most recent wearable recovery technology.

Too many layers on a run can be just as miserable as too few. Use our guide to dressing for runs at every temperature to get your gear just right.

A new study compares energy availability (EA) across different sports, and finds triathletes are making one critical mistake when it comes to the offseason.

Coros’ “middle child” gets some key updates on battery life, onboard features, and screen size, but can it hang with other smartwatches in the super-crowded $400-500 category?

Check out these unique pit stops across the nation that local triathletes fondly - and gratefully - stop at to refuel on their weekend adventures.

It's not ideal, but when you're disastrously low on calories mid-ride or mid-run, stopping at a gas station for a snack can bring you back to life. R.D. Matthew Kadey outlines what to eat (and what to avoid).

Biking is likely the most difficult of the three triathlon disciplines to dress appropriately for both in and out of a race. Use our guide to what to wear on bike rides in every weather scenario the weather report throws at you.

Whether it's a freezing-cold training day or a race in a tropical ocean, our guide to what to wear for open water swimming will help you pick the right gear before diving in.

It may be time to rethink the “off-season” and join TriDot’s Preseason Project.

Looking to improve your sleep, HRV, and recovery? We put two wearables to the test to see which will have you bouncing back faster.

A great running stride isn’t learned by focusing on your footstrike or cadence, it develops as you improve your body’s strength and mobility.

Physics rules the highly-specialized tri bikes, from the seatpost and frame to the way a rider sits on it.

The longest World Triathlon season in world history made its penultimate stop in Bermuda; South Africa has a new 70.3, and we take a quick race-cation to Cabo.

"I used to watch so many triathletes do silly things in the weight room, thinking: ‘Why are they doing that?’ so I started creating a thought process around how I could help them."

Breathing to both sides of your body becomes even more important when you move from the pool to the open water.

The news from around the multisport world this week.

You’re most vulnerable to falling ill 72 hours post-race. Here’s how to avoid it.

The brand intends to win over prospective customers with an astonishingly wide range of sizes

Approximately half of athletes who menstruate are using a hormonal contraceptive. How does using hormonal birth control affect athletic performance? We asked the experts to break down what we know - and don't know - about hormonal contraceptives for endurance athletes.

The Under Armour HOVR Phantom 3 keeps its high-energy return DNA intact while pushing the envelope on innovation

From pro triathletes to coaches to mental-health experts, these seven experienced triathletes bare their (sometimes messy) souls to help you skip the steep multisport learning curve.

Learning to cue a tall, balanced run posture, combined with strategic, specific core training, is the path to improving your run form, alleviate pain, bolster training durability, and find seconds on the clock.

What does it take to go from Olympic-distance phenom to the top step of the 70.3 World Championships? Taylor Knibb's coach, Ian O'Brien shares the little details that added up to a big win in St. George, including workout instructions for three key sessions ahead of her race.

Wahoo introduces an upgraded Roam with color monitor and impressive GPS capabilities. We look at the new features and whether the Roam is useful for triathletes.

Enjoy mixing up the terrain and the intensity with this off-season run session.