Still a relatively new concept on the triathlon scene, the Ironman 70.3 World Championship event has only been around since 2006. But what the race lacks in age, it makes up for in fierce competition, fast times, and plenty of sparks, too. Here’s a look back at some of the major moments from the event's history.
Two days of exciting racing await at the 2022 Ironman 70.3 World Championships - and you can catch the free livestream for both pro races exclusively on Outside Watch.
Ironman 70.3 World Championships 2022 news, analysis, history, results, photos, gear, and more.
Would you DNF to give aid to a fellow competitor?
All the ins and outs from the exciting races (and news) this past weekend.
As a storm came through, the age-groupers faced a very different race than the pros. But that wasn't the only place they differed this weekend. For the two worlds, the question of moving Kona also presents very different answers.
Check out the epic day.
A storm couldn't stop the dominating wins.
3,000 athletes will hit the start line of the 70.3 World Championships in St. George. Who are they?
We give a close look at Emma Pallant-Browne's speedy Specialized Shiv.
Take a close-up look at the newest Orbea Ordu that Australian Joe Gambles will be riding this weekend at 70.3 World Championships
The Norwegians' bikes have a few custom modifications to tell them apart.
The Australian star—who won a number of races in her home country this year—won't be changing anything up for race week. Do what you do in training.
On the women's side: Will it be a sprint to the finish between Taylor Knibb, Lucy Charles-Barclay, Daniela Ryf, and everyone else trying to take the top step?
Take a close-up look at Lucy Charles-Barclay's new Cube Aerium C:68.
Will she stick to long-course or move to short? And what does she expect from the World Champs this weekend? "For sure, it'll be a sufferfest."
Get a close-up look at Sam Appleton's unique Giant Trinity Advanced Pro.
The 2021 70.3 World Championship will seem much more red, white, and blue than usual—we look at why.
We asked the pros not racing—Sebi Kienle, Mirinda Carfrae, Lauren Brandon, and Ben Hoffman—how they thought the world championship will play out.
But can he overcome the stress and travel of racing at St. George?
We rate seven of the top contenders in the women's 70.3 World Championship race so you can follow along.
We rate six of the top contenders in the men's 70.3 World Championship race so you can follow along.
50 pro women and 65 men are on the start lists for the 2021 70.3 World Championships.
Because of the ongoing COVID-19 pandemic, the rescheduled events are officially off.
Kona 2020 will be rescheduled to February 2021—and a date for the 70.3 World Championships is still TBD.
Ironman announced today the two finalists for the 2022 70.3 World Championships: Lahti, Finland and Klagenfurt, Austria.
The 23-year-old surprised a deep men's pro field at last weekend's race.
Over the weekend, 5,500 athletes competed in the two-day Ironman 70.3 World Championships in Nice, France.
The 2019 Ironman 70.3 World Championship weekend in Nice, France wrapped up with a stellar performance by Norway's Gustav Iden.
The 23-year-old from Norway turned in a gutsy performance to leave everyone, including two-time Olympic gold medalist Alistair Brownlee, in his dust.
The first day of the 2019 Ironman 70.3 World Championship got underway on Saturday in Nice, France with an action-packed female race that ultimately saw Switzerland's Daniela Ryf earn her fifth 70.3 world title.
The women's pro field made Daniela Ryf fight for the ninth world title of her career.
A look at how 70.3 Worlds has transitioned from living under the shadow of Kona to being one of the most premium offerings the sport has to offer.
Contributor Kelly O'Mara checks in from Nice to preview the course and share her picks for who will take it all.
Reigning world champion Daniela Ryf is looking to become the first-ever athlete to win five Ironman 70.3 World Championship titles.
The race will return to the United States for the first time since 2017.
The race will return to the United States for the first time since 2017.
Javier Gomez struggled late in the run and had to settle for third place.
Two-time Olympic gold medalist Alistair Brownlee finished in the runner-up spot in his debut.
Switzerland's Daniela Ryf was pushed all day by Great Britain's Lucy Charles, but did enough to hear her fourth Ironman 70.3 world title.
The entire podium was made up of Olympic medalists.
It was a battle of Olympic medalists on Sunday in Nelson Mandela Bay, South Africa.
The women kicked off an exciting weekend of racing in Nelson Mandela Bay, South Africa.
Daniela Ryf says she was pushed to be her very best by up-and-coming star Lucy Charles.
Frodeno chats about the start to his season, the competitive 70.3 Worlds field, and managing the prep for two key races.
The pre-race festivities for the 2018 Isuzu Ironman 70.3 World Championship in Nelson Mandela Bay, South Africa are in full swing!
Headlining the race is three-time winner Daniela Ryf, who will be looking to add a fourth title to her already-impressive resume.
The impressive field includes world champions, a handful of Olympians, and some of triathlon’s most exciting up-and-coming talent.
Better late than never, two-time U.S. Olympian Sarah True talks to Triathlete about making the change from ITU to Ironman 70.3.
Looking at Kanute’s file, it indicates that along that climb he averaged 385 watts for the 8.5-mile ascent.
After a stellar silver medal showing at 70.3 Worlds, American Olympian Ben Kanute has his sights set on the ITU Grand Final.
On Sunday, Sept. 10, just over 2,400 men competed on day two of the Ironman 70.3 World Championship.
No easy way to put it, my race was ROUGH!
Spaniard Javier Gomez talks about the year that led up to his eighth career world championship.
Professional and age-group men and women alike positively sound off on Ironman’s split field debut.
A weekend of racing at the Ironman 70.3 World Championship just wrapped up, and it featured several storylines to be excited about.
Tampa, Fla.-based Ironman employees and the 151 Florida athletes who participated in 70.3 Worlds will now turn their attention to Hurricane Irma.
Javier Gomez Noya ran down fellow 1.2-mile (1.93km) swim leg leader Ben Kanute mid-way through the half-marathon leg.
Spaniard Javier Gomez overtook American Olympian Ben Kanute to capture the Ironman 70.3 World Championship in Chattanooga.
Despite abandoning the race, defending champion Holly Lawrence still played a role in Daniela Ryf’s crowning comeback in Chattanooga.
The women took center stage on Saturday in Chattanooga.
Switzerland’s Daniela Ryf claimed her third Ironman 70.3 world crown with a dominant performance.
Defending champion Holly Lawrence abandons the Ironman 70.3 World Championship on brutal bike leg in Chattanooga, Tenn.
Nicole Erato was racing to represent her country, the Caribbean island of St. Martin. Now she’s racing to save it.
We're just a few hours away from the start of the Ironman 70.3 World Championship.
Thursday's pre-race activities included swim course recon, athlete registration, the Parade of Nations and expo browsing.
Top contenders got a chance to speak ahead of the race and size up the competition at Thursday's pro panel.
Today I’m going to talk about two things: 70.3 Worlds this weekend and my pacing and hydration/nutrition strategies.
Reigning 70.3 world-champion Holly Lawrence went from ITU extra to long course superstar—but it didn't happen overnight.
Approximately 4,500 of the world’s top athletes will head to the “Scenic City” this weekend.
The men’s pro field is one of the fastest ever, with multiple record-breaking performances set on the way to Chattanooga.
Will Holly Lawrence defend? Can Daniela Ryf get her title back? Susan Lacke previews this weekend's 70.3 World Championship action.
Ironman has revealed the 101 professional athletes who will toe the line in Chattanooga.
Ironman today announced that Nice, France has been chosen as the host city for the 2018 Ironman 70.3 World Championship triathlon.
More than 2,700 amateurs representing more than 80 countries competed in Mooloolaba.
Photographer Paul Phillips shares images of the professional race from Mooloolaba.
Australia's Tim Reed ran shoulder to shoulder with Germany's Sebastian Kienle, while Holly Lawrence dominated the women's race.
Saturday in Mooloolaba was filled with final preparations, IronKids morning events, the filling of transition and a final countdown to the start.
With reigning champ Jan Frodeno choosing to focus on Kona, the men's race at the Ironman 70.3 World Championship is wide open.
Can anyone stop the Swiss star? We preview the women's professional race at this Sunday's Ironman 70.3 World Championship.
Top performing female age-group athletes in Ironman 70.3 Age Group Rankings will be offered bonus spots to the Chattanooga race.
Nice (France), Budapest (Hungary) and Port Elizabeth, Nelson Mandela Bay (South Africa) are the three finalists.
Germany's Anja Beranek was strong throughout the day at Sunday's Ironman 70.3 World Championships at Zell am See.
Spain's Javier Gomez chats about overcoming a race-week illness on his way to a third-place finish in Zell am See.
Germany's Sebastian Kienle chats about being the "vice champion" (AKA runner up) at yesterday's Ironman 70.3 World Championship.
Switzerland's Daniela Ryf put together a 23:46 swim, a 2:21:10 bike and a 1:22:51 half-marathon on her way to the 4:11:34 victory.
"I certainly wasn't a happy guy on the run course."
Jan Frodeno put together a 22:14 swim, 2:09:04 bike and 1:16:32 run on his way to the 3:51:19 victory.