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With the help of some data geeks, we do a deep dive on what it takes to clock a 2:34 marathon on your Ironman debut.

Pre-exercise formulas are marketed as being your workout's best friend. But do they live up to the hype? An R.D. breaks down the most common pre-workout supplements for triathletes, from caffeine to BCAAs.

Plus, what counts as a world record and when should a course be modified for safety?

Science confirms it: being so hungry you're angry is a real thing. (Now go apologize to your training buddies for what you said during last week's long run.)

Set yourself up for tri success in 2022 with these specific strength training moves for triathletes.

And Blummenfelt's coach says he could go even faster.

Check out Steve Frothingham's author page.

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

We look at the newest (and best) cycling and running clothing for training indoors and outdoors this winter season.

Follow these guidelines for nutrition during the off-season.

Really fast racing in Cozumel – but is Blummenfelt's performance a world record?

Looking to add a little va-va-voom to your training? Try one of these endorphin-pumping sessions that some of our readers swear by.

Plus: Rocky Harris to stay at helm of USAT until 2028, Trek releases new Speed Concept bike, and more in this roundup of tri news from the week.

Companies are coming up with innovative solutions to make the running shoe industry more eco-conscious.

As we prep for Daylight Savings Time, we take a look at what every runner needs to stay safe and seen while trying to get in their fall and winter miles.

We do a deep dive on all things off-season—from structuring training, trying new sports, mentally resetting—and plenty more in this latest episode of our training podcast.

Still tying your shoelaces the way your mom taught you? It's time to rethink those classic bunny ears.

The man behind the biggest triathlon in the world—and how he kept it going.

Remember the name Kira Gupta-Baltazar - you're going to hear it a lot over the next few years. Get to know the new NCAA Women’s Triathlon Champion and aspiring 2024 Olympian.

Indoor cycling trainers have gone from sketchy and barebones to super high-tech. We break down the terms, spec, and tech you need (and what you don’t) for your inside ride.

Here’s where you can donate your used tri gear to help someone else's multisport dreams come true.

Though relatively unknown in the U.S., Jetblack is providing a (quiet) alternative to the usual suspects of indoor cycling trainers. Our reviewer puts The New Jetblack Volt through the paces.

How do you tackle your first Ironman and then look to defend your Xterra world title?

Triathlon requires specific nutritional considerations. Test and practice to find what works.

According to alarming new research, iron deficiency is on the rise in the U.S. We've got six things a triathlete can do to keep iron levels healthy.

Pro triathlete Ben Hoffman gives us his best tips on how to balance your training with your free time.

Hiring a good bike fitter is arguably one of the most important decisions you'll make as a triathlete. We break down the five keys to understanding that crucial relationship.

Even though it might be the last thing on your mind right now, getting a bike fit in the offseason is the easiest way to get fast next year.

The Paralympic bronze medalist has a goal of teaching more than 1 million people to swim each year.

Looking for a great gift for a traveling triathlete who needs those zzzs? Our reviewer checks out new high-tech ear buds that take silence to 11.

Experts break down the ADA laws surrounding service dogs and emotional support animals at races.

You've got more than just tightness stored in your hips, for more reasons than training alone. Release it all with these block-supported poses to open up your hips.

For one man, triathlon offered a path for him to find his way from victim to survivor—and provided skills to help others in their own journeys.

Here are some tri-related stories generating buzz over the past seven days.

An argument for why these new events can show us how to have fun—while still doing hard things.

A new review of studies finds that common injury-prevention rules don't hold up. We asked the researcher what does cause running injuries.

You don't have to swim, bike, and run year-round. These cross-training activities can actually help you multiply your multisport in the off-season.

Join us for this fun and social training ride on Tuesday, November 16.

In this month's Train 360, we do a deep dive on exactly what it takes for Ben Hoffman to crush his long run with a "tempo twist."

The idea of a bunch of average (or slightly-above-average) adults gathering for a triathlon camp used to seem like an oddity.

A new workout, full of variety, to take to the pool this weekend.

Before you turn the page on this season, make sure you've written the full story. These 10 questions can help you wrap up this year and gear up for next.

The announcement of new technology from Race Ranger could drastically reduce drafting and better punish offenders. But does tri even want to rehab its drafting addiction?

Plus, what does the exciting racing this past weekend mean for next year?

The new devices promise to not only weed out drafting cheaters, but also help triathletes prevent accidental infractions.

We analyze the daily food log of a regular busy, age-group athlete—who also is a professional performance nutritionist. The lesson? Nutritionists probably eat more like you and me, and that's a good thing.

This weekend, from New York to Florida, it felt like a renewal, a reminder that we're doing these things for our own reasons. It's time to redefine success.

Lions, Tigers, Triathletes, Oh My! This race through Zoo Miami is one for the bucket list.

How Quintana Roo built its lightest, stiffest and fastest bike yet

Ready to break a 10K barrier? Whether you’re shooting to race under 60, 50, or 45 minutes, we have the plan to help.

The case sparked widespread outrage.

Six takeaways from the panel on the Americans with Disabilities Act (ADA) at the USAT Together We Thrive summit.

How many of these are you guilty of?

The winter months are the perfect time to correct bad habits and form better ones. Use these drills to become a better triathlon swimmer.

Columnist Brad Culp recaps a weekend of racing around the world.

Six science-based tips on how to best be seen while running in the dark.

Be sure to enjoy plenty of these 7 foods that are proven to fight insomnia and deliver a restful night of Zs.

Dr. Sydney Haggins shares her experience of training for and racing an Ironman while pregnant.

Here are some tri-related stories generating buzz over the past seven days.

A running club at a homeless shelter on L.A.'s Skid Row has given more than 500 members a new lease on life.

Designed by one of the leading physical therapists in the U.S., the Mobo Board is a small-but-mighty tool that's well worth adding to your injury prevention arsenal.

Underwater critters, strong currents, bloody noses - Sarah Haskins has seen (and swum through) it all.

Panama City Beach will host one of the last major Ironmans of the year—with a deep field.

Although she was considered one of the best triathletes of all time and won Kona twice, Erin Baker's most epic win actually didn't come on the Big Island.

Sure, a marathon and Ironman run leg both cover 26.2 miles - but that doesn't mean they're the same. Our experts lift the veil on the mysteries behind the elusive "standalone triathlete marathon." Read on for tips on pacing, nutrition, and predicting how fast you can actually go.

Efficiency and planning (and a little extra time during COVID to nail the learning curve) got this injured runner to overall triathlon titles.

Balance is the name of the game with Quintana Roo’s new V-PR. Read on for our on-bike impressions.

We dig into the specs, ride, and all of the things that work (along with what doesn’t) on the latest superbike from Quintana Roo, the V-PR.

Here's why (and how).

Neither sickle cell anemia or a car hitting her could stop her.

Leading sports nutritionist and exercise physiologist, Dr. Stacy Sims, answers your most pressing nutrition questions.

A new three-year survey looked at half-marathon and marathon runners. The findings? More training and more preparation led to fewer injuries...

The former runner and British heir apparent is running fast and figuring out the multisport game. We’ve got the inside scoop on her two back-to-back wins.

Don't dawdle, and definitely don't crash. Here's how to get in, get out, and get on your way at triathlon aid stations.

Boasting an entire virtual training environment, Wahoo’s new SYSTM may be the new Sufferfest, but can it be everything to everyone?

Check out Brittany Bevis's author page.

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.

Who you should keep your eye on in the next few years...

All the physiological proof you need that you should definitely be doing hill repeats if you're trying to become a more efficient, faster, and injury-free runner.

Take your training inside and take it to the next level

Here are some tri-related stories generating buzz over the past seven days.

Members can enter to win a Salomon Sense Pro 5 hydration vest.

Win one of our editors' favorites.

With recent cases of runners and triathletes being murdered by their partners, conversations are starting in women's training groups about domestic violence. Here's what you should know.

His genetic predispositions put O'Donnell at risk for a 'widowmaker,' but now he says he's been cleared for a return to full training.

Triathlete's editors—with decades of collective race and tri travel experience—present our list of the best triathlons in the U.S.

Even though winter is coming, it doesn't mean you should go inside. We look at the best wetsuits and accessories for swimming in chilly temps.

It's rare for weather to cause outright cancellations, but extreme conditions can wreak havoc on competitors.