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Australia's Sarah Crowley has had a breakthrough season and capped it off on Saturday with an Ironman World Championship podium.

There were repeat podium finishers, several new faces and two worthy champions.

Great Britain's Lucy Charles gave defending Kona champion Daniela Ryf a fight on Saturday.

Canadian Lionel Sanders struggled in his first two appearances at the Ironman World Championship in Kona, but had a breakthrough performance on Saturday.

Recap the thrilling Kona 2017 race-day action with this gallery from photographer Paul Phillips.

A gutsy move from Great Britain’s Lucy Charles put Daniela Ryf through an emotional roller coaster on the bike.

This year’s race saw the men’s field take a lot of risks—for some it paid off.

Switzerland's Daniela Ryf says that she woke up on race morning at the 2017 Ironman World Championship.

Germany's Patrick Lange says that during one brief moment on the bike he considered dropping out because he was struggling.

Switzerland's Daniela Ryf further cemented herself in triathlon history, becoming the fourth woman to earn three-straight Ironman world titles.

Germany's Patrick Lange ran his way to victory, crossing the finish line in a record 8:01:40.

These Iron-support squads showed love for their racers on their chests.

Triathlete seeks a full-time controller to head up all financial management and control activities.

A collection of industry experts came together Friday to count all key components of the bikes.

Germany's Sebastian Kienle discusses the unique race tactics of Kona and what it will take to earn the victory.

Australia's Sarah Crowley won two championship-level races this year and will be one to watch at Saturday's Ironman World Championship.

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

"How would you explain what you do for a living to a small child?"

Every year in Kona there are two winners but only one last finisher. We explore Kona’s unique, emotional tradition.

With lots of bodies at the underpants run this year, we look at a few that stood out from the crowd.

We're closing in the final hours of race week at the Ironman World Championship.

We're nearing the start of the 2017 Ironman World Championship, with athletes spending Friday focusing on the final details.

"And in this moment, I think maybe I’ve discovered the point of 'Triathlife.'"

Canadian Lionel Sanders will be a bit of a wild card as he makes the start at the Ironman World Championship on Saturday.

The slick ride has been on display at this week's Ironman World Championship expo.

American Heather Jackson is a top contender for Saturday's Ironman World Championship podium.

The new dad talks the pitfalls of the pro peloton, and his projected timeline for iron domination.

Meet the person whose 10,000-foot view helps conduct this whole iconic triathlon symphony.

A self-described ultrarunner who does triathlons (not the other way around), john Kelly will be racing Saturday in Kona.

The Diamondback Andean of American professional triathlete Matt Russell.

A lot goes into the most important triathlon in the world—we look at some of the stuff that makes the machine move.

Quintana Roo today unveiled its PRsix Disc Series of triathlon bikes.

Hundreds of triathletes, supporters and industry members stripped down for the 20th running of the Kona Underpants Run.

We take a look at a day in the life of the biggest week in triathlon.

A look at the Felt IA two-time Ironman world champion Daniela Ryf will ride as she looks for her third-straight Ironman world title.

In this Kona Minute, we share the unique preparation method of one pro favorite, glance at a brand-new helmet and get your race predictions at the expo.

There are 50 questions spanning the nearly 40-year history of the event.

A big highlight of race week at the Ironman World Championship for many triathletes is the Kona Coffee Boat.

The current world record holder for fastest Ironman finish will not be making the start this Saturday.

On Tuesday we caught up with several athletes, and learned a secret about the Kona Coffee Boat that might disappoint you!

Even with two Ironman world titles under his belt, Germany's Jan Frodeno doesn't believe he's shown what he can do at the Ironman World Championship

Thirty-five years after her famous collapse on Ali'i Drive, Julie Moss has come full circle.

Tuesday marked four days out from the Ironman World Championship.

The Trek Speed Concept of American professional triathlete Linsey Corbin.

Kona’s oldest female competitor this year is swimming in a fountain of youth.

"As a person, Mark's [Allen, his coach] biggest complaint about me is that I'm too nice."

The Scott Plasma 5 of German professional triathlete Sebastian Kienle.

A look at the Cannondale Slice Hi-Mod that American professional triathlete Heather Jackson will use to tackle this year’s Hawaii Ironman.

We're recapping the action from Monday with this Kona Minute, brought to you by Zwift.

“My first goal for Kona is to enjoy it. It’s been three years of hard work to come from a total beginner to where I am now."

This high-intensity trainer workout gives athletes a lot to do in only 60 minutes.

American Ben Hoffman had his best Ironman ever earlier this year.

The Big Island is bustling with the hype of Ironman World Championship race week!

American Alicia Kaye shares open-water swim tips that every triathlete can use.

You never know what great things may happen as a result.

A close-up look at the Canyon bike last year's breakout star Patrick Lange will ride on Saturday.

It's race week in Kona and American pro Heather Jackson is one of hundreds of athletes getting in final key workouts.

We're on the Big Island to bring you comprehensive pre-race coverage from the 2017 Ironman World Championship.

Karen Smyers’ top picks for the women’s podium in 2017.

A look at the weekend action from the Big Island.

Dave Scott shares in his own words the very different strategies he believes the men and women must take to bring home the crown.

Can Daniela Ryf get a third-straight Kona victory?

Germany's Jan Frodeno will be looking for his third-straight Kona title.

Meet this 45-year-old age grouper from upstate New York.

No, the number on your race belt shouldn’t impact performance. But it can have unintended, sometimes amusing consequences.

Want to follow the Ironman World Championship on Oct. 14? Here’s what you need to know.

Heather Jackson is one of the friendliest faces on the Ironman circuit—and one of its toughest competitors.

"This is my life now. Some go to Narcotics Anonymous, some go to Alcoholics Anonymous. I go to Ironman triathlons.”

Get to race-day fast, fit and fresh with these expert tips

Grab your tri friends, hook up the live coverage, serve some Kona-inspired drinks, and throw a shindig that’ll make the Kona athletes jealous.

This simple, but deceptively tough, swim set helps to teach proper pacing for race-day success.

Brazilians Pamella Oliveira and Paulo Roberto Maciel earned the victories at Sunday's Ironman 70.3 Rio de Janeiro.

During a time of increased consolidation among multisport brands, Zoot bucks the trend and sets back out on its own.

Pain is a slippery concept—it’s highly individual, and an individual’s perception varies by circumstance.

Meredith Atwood writes about the art of prioritizing your goals and ultimately tackling the big scary ones.

We often highlight the accomplishments of those who make it to the sport's biggest race, but what about the loved ones who support the dream?

"If you want it enough you will find a way to make it happen.”

Whether you’re in Kona to race, spectate or kick back, you won’t want to miss these special spots.

Jan Frodeno of Germany and Daniela Ryf of Switzerland both successfully defended their Kona crowns on the Big Island of Hawaii in 2016.

"Love what you get to do every day to get to Kona. And accept your story. Love your story. It will be different from everyone else's."

If history tells us anything, there are four men who have the best odds at taking the 2017 Kona crown.

Coach Tim Crowley shows us the assisted pull-up, a terrific old-school upper body strengthening exercise with a twist.

Remove the guesswork from your running form with these brainy footwear upgrades.

We break down many of the myths surrounding tire width, pressure, and aerodynamics to better understand why the tri world is riding wide.

This week's Quick Set workout features race intervals designed to help you work on your speed.