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Take your cycling to the next level by improving your pedaling efficiency.

We look at the latest from two brands: Saucony, a tried-and-true running brand dipping its toes into sustainability, and Allbirds, a eco-conscious brand who’s still trying to strike gold in running shoes.

Use this tough-but-fair run workout to strengthen both your speed and your aerobic system.

We put thousands of road miles on more than 70 new running shoes. These seven emerged as the best.

We present a crash course on NCAA collegiate triathlon and a preview of the upcoming women's national championship so you can study up and cram for this weekend's exciting main event.

Travis Mundell recaps a blazing-fast weekend at Ironman Florida, 70.3 Los Cabos, Noosa Triathlon, and the Pan American Games.

A neuroscientist explains why triathletes constantly feel the need to chase yet another finish line - and how to break the cycle and find meaning and satisfaction this offseason.

Portland, Oregon-based endurance nutritionist and elite mountain athlete Alex Hasenohr dives into the world of coffee, the gut, and running performance

This full-body blast swim workout has it all - and you'll be stronger for it.

With the recent announcement that 10-year-old Prince George is interested in triathlon, we've compiled some advice for Prince William and Princess Kate that even non-royal parents can follow.

Rick Mann ate a clean diet, never drank alcohol or smoked cigarettes, and hadn’t found anyone who exercised more than he did. None of it mattered when he had a heart attack at the peak of his fitness.

What's happening to our local races? Is big-brand race consolidation just a part of triathlon’s growing pains, are we selling out, or is it something else entirely?

Not all super shoes boost performance equally, and slower runners may not see the same benefits as faster ones

Use these running interval workouts - based on advanced training methods proven effective by scientists, coaches, and athletes - to become a fitter and faster runner.

Pro triathlon analyst Thorsten Radde digs deep into the latest women’s PTO rankings, looking at those who struggled in 2023, those who bounced back from a rocky midseason, and those who rose quickly in the rankings in 2023.

Ramp up your VO2 max, anaerobic capacity, and neuromuscular power - and have fun while you're doing it.

With so many options on the market for tri bikes, we tapped fit expert Mat Steinmetz to break down the different types of tri bikes to help you choose your perfect steed.

Get caught up on the most-read and most-discussed stories of October 2023 in our Big Monthly Digest of triathlon news.

How did Dan Plews set a 7:56:56 record for fastest age-group Ironman finish ever? Follow his eight rules for success.

From Britney Spears and Eminem to NF and Tiësto, these are the songs that played on a loop during Ironman World Champion Lucy Charles-Barclay's unique Kona build up.

Our tester sacrifices her teeth to find out

Former pro and current coach Tim Reed upends the conventional wisdom that a full-iron event requires you to suffer all day.

Running from hut to hut over multiple days among dramatic mountains with others offers a unique format to experience awe, sustained immersion in landscapes, and crazy fun 

Blinged-out bar tape, alien socks, and Altra shoes with drop - these are a few of the things our editors used and loved this month.

Pick a set based on your experience level and give this workout a try this weekend!

With more and more events being canceled and postponed due to both natural and manmade interruptions, what can a triathlete do?

"Shadow of a Wheel: Once in a Lifetime" is now streaming on Outside Watch - perfect for indoor trainer rides and treadmill runs.

With this plyometric warm-up for runners, you're just a hop, skip, and jump away to a faster run with less effort.

A new federal law, the Rodchenkov Act, has the potential to dramatically clean up international sports. A case involving a Texas doping ring illustrates how the new legislation works.

Lucy Bartholomew just became the second woman to race UTMB and the Ironman World Championship in the same year. Here's what she learned.

This week’s One-Hour Workout comes from Coach Ryan Bolton’s How to Get Race Ready in Six Weeks training plan.

No longer "just a swimmer," Lucy Charles-Barclay won the 2023 Ironman World Championship in her own way, and on her own terms. As she ponders what's next, her competition has a different question: What will it take to beat her?

An ER doc looks at a study on how exercise impacts the immune system, and explains how to prevent illness after a big race or training day.

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.

In a world where excellent customer service is about as rare as a tri bike for under $3,000, we call out a few standouts still toeing the (phone) line.

A heartbreaking sprint finish, a costly detour, a debut win, and one decision to change a whole series - it was a wild weekend in triathlon.

Underwhelming response for the women’s Nice 2024 event leads to addition of slots at select 70.3 races and for loyal age-groupers.

When illness or injury forces you to take a complete break, researchers have some ideas on how to limit the fall-out

Light and speedy, these shoes will help you reach your workout PRs

There's plenty of variety in this fast, fun, and dynamic swim workout.

Your body runs on hormones - learn how to feed them right with this men's guide to eating for hormone health.

Patrick Lange, Nikki Bartlett, Cam Wurf, and more - watch the free livestream for Ironman Portugal this Saturday, October 21.

What you eat and how much you eat relative to your training can make a big impact on hormone health for women in endurance sports.

We take a look at the bikes ridden by the ten fastest cyclists in the pro race at the 2023 women’s Hawaii Ironman World Championship in Kona.

These short intervals will get you working, but not too hard!

"Back when we first started, I couldn’t imagine a scenario like we saw on Saturday. It just seemed so far off."

Here’s a look at the shoes worn by the top 10 finishers at this year’s women’s world championship race in Hawaii.

The answer isn't as simple as you think.

Data from the women's 2023 Ironman World Championship makes one thing very clear: Women are crushing the triathlon game. Now what?

There was some fast and furious racing on the Big Island, but not everyone made it to the finish chute. What happened to those who didn’t?

We know meditation and visualization exercises benefit our mental health. Could they also support our physical bodies?

Lucy Charles-Barclay's win at the 2023 Ironman World Championship showed that by doing the work, we not only become worthy - we become greater than we ever thought possible.

After four second-place finishes, Lucy Charles-Barclay writes history (and a new course record) at the first-ever women's-only Hawaii Ironman World Championship in Kona.

Feast upon the data and analysis behind the frames, components, aerobars, wheels, and more in the women's 2023 Ironman World Championship bike count.

"The quality is just so amazing that you have so many potential athletes who can win this race. You would need an absolute perfect race to be on top of everyone."

While the former Brazilian pro has 14 top-ten World Championship finishes, this year’s Kona start line looks slightly different for 60 year-old Fernanda Keller.  

A frank conversation with Ironman CEO Andrew Messick reveals details about the pro series, why now, what it could mean for pro world championship qualification in the future, and more.

2,000+ age-groupers, 53 pros, and 1 history-making day - we've got all the numbers behind this weekend's 2023 women's Ironman World Championship event in Kailua-Kona, Hawaii.

Hawaii Ironman World Championships is all about being prepared, so nothing throws a bigger wrench into the field than a strong, unknown quantity on the start list.

The indoor training company’s latest smart trainer promises easier indoor training and new virtual shifting for all.

With one of the deepest, most well-rounded fields ever, and a historic women’s-only event, the 2023 Hawaii Ironman Championship could be one for the ages. We break down who to watch, when, and where.

At 73 years old, Sandi Wiebe, the “elder stateswoman” of this year’s Hawaii Ironman World Championship has mastered the art of blissfully unaware winning.

Our up-to-date breakdown of the top contenders for the podium at this year’s Hawaii Ironman World Championships women’s event.

It's going to be a history-making day in Hawaii - and you won't want to miss a second! Watch all the action with the women's 2023 Ironman World Championship livestream on October 14.

With the number of slots available for the women's Hawaii Ironman World Championship increasing nearly fivefold, is Ironman letting too many female triathletes into Kona too quickly? We break down the data.

Travis Mundell recaps a weekend of pro triathlon racing at Challenge Barcelona, 70.3 Asia Pacific Championships, and World Cup Rome.

It’s time to integrate these trainer-approved exercises into your recovery regimen

Three of the fastest long-course age-group women in the world each share a swim, bike, or run session that they use to prepare for their big day at the women's 2023 Ironman World Championship in Kona.

Coach Sara McLarty recommends trying this swim workout 2–3 days before an event as a pre-race tune-up.