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Here's a look at some basic stats about the field, as well as some images from photographer Rocky Arroyo.

We camped out just past the Kona finish line as the sun was setting to ask athletes one question: What fueled you to the finish? Their answers were funny, heartbreaking, and totally candid. 

What happened to the pros who didn’t finish?

Australia's Sarah Crowley shares how her day played out to give her a third-place finish at the Ironman World Championship.

Great Britain's Lucy Charles-Barclay led most of the day at the 2019 Ironman World Championship.

We all thought we knew what would happen, but Kona once again proved to be predictably unpredictable.

The now three-time Ironman world champion has a new appreciation for racing success after a tough couple of years.

Last year was all about the conditions, 2019 was all about the competition.

The 2019 Ironman World Championship saw plenty of drama for both the men's and women's races, with Germany's Jan Frodeno and Anne Haug ultimately taking the titles.

Last year's third-place finisher Anne Haug used a 2:51:07 marathon to earn the first Ironman world title of her career on a day that saw four-time winner Daniela Ryf struggle from start to finish.

On a dramatic day at the 2019 Ironman World Championship, Germany's Jan Frodeno returned to the top of the podium in course-record style. He becomes the fifth male to win three Kona titles.

The bike brand that came out ahead for 2019 is...

Get a close-up look at the unique TriRig Omni of American Matt Russell.

Two-time Olympic gold medalist Alistair Brownlee will make his first Kona attempt aboard this Scott Plasma.

Bike check-in served as the final task before athletes headed home and got one more nervous night of sleep before race morning.

We get first looks at brand new tri gear from the Hawaii Ironman World Championships.

The father of three approaches the biggest race of the year with a balanced perspective.

The Kona bike course record holder is a serious threat for the Ironman World Championship crown.

The American is one to watch on Saturday. He shares how he's coping with his first Kona race week, what advice he's gotten from other pros, and what result will equal success for him.

Matt Russell talks about last year's big Kona finish, his struggles since his 2017 Kona accident, and his season so far.

With her lightning-fast swim, two-time Kona runner-up Lucy Charles-Barclay will look to ride off the front using this Specialized Shiv.

The Ironman champ and two-time Kona runner-up dishes on nutritional bloopers, what she's most looking forward to this year, and her Kona entourage.

The always-positive Linsey Corbin is fresh off of a victory at Ironman Wisconsin. It's a strategy that earned her a top-10 finish last year, and she's hoping for the same in 2019.

After missing Kona last year due to injury, Ben Hoffman returns to the Big Island with a renewed appreciation for it all—and with a new superfan in his cheer squad.

Get a look at the unique bike (and specifically, custom cockpit) Cam Wurf will ride on Saturday's Ironman World Championship.

Senior editor Chris Foster brings viewers along the Queen K to the turnaround at Hawi and back.

"Ideal conditions for me would be the exact opposite from last year. Very windy and not very fast."

But the two-time Olympic gold medalist isn’t necessarily willing to sit back.

Dave Scott and Mark Allen were their typically humorous selves as they answered questions relating to the Iron War, as well as offering coaching and training advice.

The Canyon of two-time Ironman world champion Jan Frodeno features some super unique details.

Three-time Ironman world champion Mirinda Carfrae shows off the bike she'll use to chase down the competition on Saturday.

True talks candidly about her health struggles, her hopes for this year, the next generation of Ironstars, and her favorite psych-up songs.

Build a strong technical base for cycling with these three single-leg workouts.

The former pro cyclist makes his Kona debut this year and he has some thoughts about that. And banana trees.

Germany's Sebastian Kienle says his run confidence is high, but he'll no doubt need a strong bike ride if he wants to contend for his second world title.

After struggling through Kona 2017 and then entirely missing Kona 2018, two-time Ironman world champion Jan Frodeno is happy to be back on the Big Island in good form and ready to race.

Will this bike carry Daniela Ryf to her fifth Ironman world title? We'll find out on Saturday. 

Early mornings during race week are all about the swim course at the Kona Pier.

Senior editor Chris Foster takes viewers to Kona for an inside look at the iconic Hawaii Ironman Championships swim course.

After his fourth-place finish last year, American Tim O’Donnell is back on the Big Island looking to better that this weekend.

The reigning Ironman world champion talks about the threats to his crown—and his race-winning strategy.

Two-time defending Ironman world champion Patrick Lange will ride this Canyon Speedmax CF SLX in pursuit of his third-straight title on Saturday.

A look at the Trek Speed Concept American Tim O'Donnell will ride at Saturday's Ironman World Championship.

The Argon 18 E 118 Tri+ was launched as part of race week on the Big Island.

"Are you still running with 10 miles to go, or are you just literally trying to make your way back to the finish line?"

This week’s one-hour workout comes from multiple Ironman champion Linsey Corbin, who is just a few days away from racing the Ironman World Championship.

Do you think you know who will win this year's Ironman World Championship? It's time to prove it!

Is there anything Michellie Jones can’t do?

Three-time Ironman world champion Mirinda Carfrae demonstrates the exercises from strength coach Erin Carson.

If history tells us anything, there are four men who have the best odds at taking the 2019 Kona crown.

Aero road helmets are the best solution in lots of different situations—we break down what to look for and list some top picks.

The Olympic-distance specialist leaves the sport after a sparkling 15-year career.

The only woman to race every single Ironman Texas is now heading to Kona.

The men's Kona race is shaping up to be one of the most exciting in recent years.

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There’s one clear favorite for the title.

In part three of the Iron War series, read all about the grueling workouts that led Dave Scott and Mark Allen to the Iron War.

Recovery runs actually don't help you recover—but they're still worth doing for their training benefits.

Hard work yields legend status for new Ironman Hall of Fame inductee.

Meet two of the inspiring age-group athletes who will compete in next week's Ironman World Championship.

Sue Hutter is the cheerleader every Ironman needs.

Advice—and the best products—for when you need to eat for the heat.

Who will take the titles at this year's race?

Studies show that up to 30% of athletes experience reactive hypoglycemia. Here’s what it is and how to prevent it before your next workout.

Meet two of the inspiring age-group athletes who will compete in next week's Ironman World Championship.

Last week’s news that Aleve is the Ironman World Championship’s newest partner elicited strong backlash from athletes, coaches, and sports scientists alike. Here, Jason Koop, Head Coach of Ultrarunning at Carmichael Training Systems, shares his opinion on why this partnership was a big misstep--with implications that reach far beyond triathlon.

Build bike-specific strength and power with this interval session—and all in under an hour.

Senior editor Chris Foster gives an in-depth look at the new HED Vanquish Aero disc wheel. We'll also discuss why it's time to give disc wheels in general a second chance.

For the Cymanskis, Kona 2019 is a family affair.

Coach Sara McLarty provides a workout for you to take to the pool this weekend.

Enjoy part two of our series on how the Iron War almost never happened.

One of our sport’s toughest athletes was also one of its biggest pioneers against injustice.

Take your training to the next level with this advice from strength coach Erin Carson.

Having a beer the night before a race is probably OK, but don't look at it as part of your pre-race nutrition plan.

Can an American finally top the podium in Kona?

The three-time champ says that the swim will be her biggest challenge in Kona.

Sometimes it’s the little things...

Carey Cribbs took up triathlon at age 59. At 65, she’s heading to the world stage.

Build your swim speed—and kick strength—with this simple pool workout.

Want to kick back with a glass of wine on the regular? Take these pleasures off the ‘sinful’ list and enjoy.

With a good coach, you’re getting more than peace of mind that your training is on track.

City meets country in this race, which is one of the most unique triathlons that Europe has to offer.

Effective and aero: Disc brakes are rapidly gaining popularity on road and triathlon bikes. But are they necessary?

Our reviewers take a look at seven pairs of under-the-radar shoes that you shouldn’t overlook this season.

Paratriathlete Leah Kaplan shares her inspiring story.

Get your questions ready!

Expert tips to break out of a running rut and let your body discover a more efficient stride.

The epic battle between Dave Scott and Mark Allen at the 1989 Ironman World Championship is considered one of the greatest races of all time—but both racers had less than ideal preparations going into that race.

We take a look at two new color and navigation-heavy options for triathletes of every level.

Chocolate milk has become an increasingly popular drink in sports. Does it live up to the hype?