More than 1,700 of the fastest women in the world at the full distance will race tomorrow in Kona. Members of the triathlon industry count the bikes, aerobars, components, wheels, and more gear they used to get to the start line of the 2025 Ironman World Championship.
This list includes some of the sport's top names, proving that the brutal conditions of world championship racing can get the best of anyone.
Competition will likely show early signs of who will take the tape at the women's Ironman World Championship. Thorsten Radde provides a likely play-by-play breakdown.
Don’t miss the action on the Big Island as 60 of the fastest women in the world compete for the world champion title on October 11.
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 2025 Ironman World Championship in Kona.
Ironman World Championships 2025 news, analysis, history, results, photos, gear, and more.
With various reports over the years of “large marine life,” writer Tim Heming asks experts to set the record straight on the risks of sharks in triathlon (and at the Ironman World Championship).
Joy, pain, satisfaction, relief - Triathlete staff photographer Brad Kaminski captured it all on the faces of Ironman world championship finishers at the 2025 men's race in Nice, France.
We’ll be back in Nice for the 70.3 championships and regular-season racing, but will triathletes and triathlon fans miss the split-worlds solution on the French Riviera?
Three surprising shoe picks for the podium, with a good mix of brands rounded out the 10 fastest shoes at the 2025 Ironman World Championship in Nice. Our expert shoe tester breaks down each one.
More than 2,500 of the fastest men in the world at the full distance will race tomorrow in Nice. Members of the triathlon industry count the bikes, aerobars, components, wheels, and more gear they used to get to the start line of the 2025 Ironman World Championship.
Three of the fastest long-course age-group men in the world each share a swim, bike, or run session that they use to prepare for their big day at the men's 2025 Ironman World Championship in Nice, France.
The “hogge” approach to triathlon training, spurred by curiosity and experimentation (that sometimes leads to destruction), could pay off for the Danish triathlete in a big way in this year’s world championship race.
Riding a 191-mile route around another country is just another training day for Cam Wurf as the Aussie gears up for the 2025 Ironman World Championship in Nice.
A 17-year-old podiums, home country wins, and the first male qualifiers for the 2026 one-day Kona Ironman World Championship earn their spots in Switzerland.
Ironman has officially released the 2025 Ironman World Championship start list. Here's who is on it (and who isn't).
The women's 2025 Ironman World Championship in Kona will feature three past champions, nine of the top 10 finishers from 2024, and the top 19 athletes in the Ironman Pro Series. In other words: it's gonna be one amazing race.
Confused by Ironman’s new Kona and 70.3 Worlds qualifying system? Read up before it kicks off July 6.
Athletes share their thoughts on the 2026 one-day Ironman World Championship format in Kona.
A new Ironman 70.3 race in the United States, a T100 age-group world championship, and Alex Yee’s marathon debut - plus more triathlon news from April 2025.
The two-day Ironman World Championship will end after this year. What does that mean for the women's race? We sit down with Ironman CEO Scott DeRue.
"I’ve gone back to my pretty old-school training methods from early on in my career,” Sanders tells Triathlete about his 2025 campaign for a 70.3 World Championship after Oceanside win.
DeRue has had "exciting" conversations with athletes, politicians, and community members about the Ironman World Championships - but where will they lead?
A look at the bikes ridden by the ten fastest cyclists in the men’s pro race at the 2024 Ironman World Championships in Kona, Hawaii.
"Call us masochists, I suppose. But boy, do we love to do hard things."
Members of the triathlon industry spent hours tallying up what bikes, aerobars, components, wheels, and more gear that the fastest men in the world are using at the 2024 Ironman Championship in Kona.
Experience one glorious half-mile of pants-free peacocking along Ali'i Drive through the lens of Triathlete staff photographer Brad Kaminski.
Who will emerge as the major players in this weekend's Ironman World Championship race? Thorsten Radde uses a mix of history, data, and dynamics to predict how things might play out at Kona 2024.
We take a close look at reigning Ironman world champion Sam Laidlow's incredible, custom Canyon Speedmax CFR.
We take a close look at the Factor Hanzo that Rudy Von Berg will be riding at the 2024 Ironman World Championship in Kona.
Our up-to-date breakdown of the top contenders for the podium at this year’s Ironman World Championships professional men’s race in Kona.
Iron War wasn't the only Kona race that had fans on the edge of their seats. These epic Kona battles were thrilling to the very last second.
2,400 athletes, 56 pros, 17 hours, and one epic challenge - these are the numbers behind the men's 2024 Ironman World Championship in Kailua-Kona, Hawaii.
The men's 2024 Ironman World Championship start list is set! Get insight and analysis on how the race is shaping up, plus some stats about the pro field.
We've compiled the qualifiers for the women's 2024 Ironman World Championship start list, with insight and analysis on how the race is shaping up, and some stats about the pro field.
In the 1990s, you could qualify for Kona without ever doing an Ironman. How? We look back at the short-course shortcut to the Ironman World Championship.
With uncertainty surrounding services that transport an athlete's bike and the hassle of traveling with your bike increasing, more and more triathletes are turning to bike rentals. We look at why (and if it’s worth it).
In this exclusive first look at the Ironman World Championship course in Nice, Triathlete shares maps and details on the course for athletes and fans.
Insider information on the Nice course, getting the stamp of approval from legends like Mark Allen, and whether the two-location format is here to stay - the RDs of the World Championship event in Nice tell all.
Through 2026, the men's and women's world championship races will happen on separate days and separate (but slightly familiar) locations.
We sit down with Andrew Messick to get the inside insight on what went wrong in Kona this year, the reasoning behind “half announcements,” why the split world championship location could be a good thing, and more.
Facing local community pressure, Ironman announced that men's field would no longer be racing at the Hawaii Ironman World Championships in Kona in 2023.
Just over 50 miles away from the loud, pumping heart of Ali’i Drive in Kailua-Kona there sits the small historic sugar plantation town of Hawi.
The grueling battle between Dave Scott and Mark Allen at the 1989 Ironman World Championship is one of the most talked-about races of all time. We explain why Iron War still matters.
We mined Ironman finisher data to find out what it takes to qualify for Kona — and what it means for athletes going forward.
The three-time world champion and one of the strong contenders for the IMWC title has announced he will not return to Kona in October.
The Ironman World Championships commits to expanding the two-day format and offering additional spots for female athletes.
We get inside insight into the tactics, the race plan, and the lead pack dynamics (and yes, that final-mile duel) that put Kiwi Braden Currie on the podium at the Ironman World Championship.
A deep look at the differences (and similarities) between Cam Wurf's triathlon and WorldTour time trial setups.
All the analysis and on-the-ground takes you missed on the World Championship broadcast.
How did the fields compare at the Ironman World Championship races in St. George versus Kona? We dug deep into the finisher data to find out.
"It was more of an in-between."
St. George took its toll: 11 of the 38 starters in the men's race did not finish.
Let us tell you a tale of the risky unknown and what it looks like to win or lose big bets in St. George.
She used the performances of her competitors to get through the tough day and course.
While still recovering, the New Zealander talked to us about how it all came together.
On a tough day, Canadian took second at the 2021 Ironman World Championship.
It took three years and a move from Kona to St. George, but there was finally an Ironman World Championship. See photos from the thrilling throwdowns in the pro men's and women's races.
The 2019 Ironman world champion talks about how the race unfolded, the tough course, and why she's happy with her finish
The newly minted Ironman world champion breaks down his race and talks about what's next.
The five-time Ironman world champion talked to us about proving doubters wrong.
The Colorado athlete took 4th in St. George.
It's a return to the top step at the Ironman World Champs for Ryf.
At the 2021 Ironman World Championship, the smart racers waited to make their move in the heat and hills.
Wellington tells the story of how she fought her way through a roller coaster of pain and fear to claim a fourth Ironman world title. And pros share their mind-over-matter tips.
Cervélo dominates once again, but this Ironman World Championship bike count was unique, including more than 80 road bikes with drop bars and a field like we’ve never seen before at a world champs.
Braden Currie's sleek new Felt IA 2.0 has plenty of customization on an already fully integrated frameset.
We take a deep look at the recent Paris-Roubaix finisher's setup for Ironman World Championships this weekend.
Bike check-in served as the final task before athletes headed home and got one more nervous night of sleep before race morning.
We've got the who and why on the pros who won't be toeing the line at the Ironman World Championship.
The Norwegian team doctor has cleared Kristian Blummenfelt to race tomorrow, but not Iden, due to a respiratory infection.
Lionel Sanders is well known for doing damage on the bike. We take a closer look at the machine he'll be hoping to crush 112 miles on tomorrow.
Two returning champs, a recently crowned 70.3 world champion, and local favorites. These are just a few of the women who could win.
A unique clash between established vets and future world champions on an unfamiliar (but challenging) course. Who will make their mark in St. George?
We take a look at BMC's brand new prototype bike—developed with the Red Bull Formula One team—that will make its debut here in St. George on Saturday.
Watch the full press conference as the pros egg each other on.
We take a close look at Kristian Blummenfelt's new bike: An unreleased prototype CADEX frameset.
The new gear, rumors, and predictions from the Ironman World Championship.
CEO Andrew Messick says this October will be an experiment.
There’s plenty of exciting new gear being debuted at Ironman World Championships in St. George this week. Check out what they’re showing at the expo (and even some stuff they’re keeping hidden).
The full Ironman distance hasn’t been contested in St. George in a decade, when a pair of Americans earned hard-fought victories on an especially blustery day.
Moench's stunning purple-and-blue pearlescent-painted Trek is one of the most attention grabbing bikes in the pro field. Take a look at what makes the Ironman Chattanooga champion ride so fast.
We take a close look at the Giant Trinity that Norwegian superstar Gustav Iden hopes to ride to victory this weekend.
Race week for the 2021 Ironman World Championship has officially kicked off in St. George, Utah. See the photos from the Parade of Athletes and Ironkids race.
From a tragic beginning in Vietnam, she’s proving there’s nothing she can’t do—one race at a time.
We've looked at previous performances, the strength of the field, and weather forecasts to come up with predicted winning times.
3,650 athletes, 114 tons of ice, and 52 jars of petroleum jelly: Here's what it will take to pull off the Ironman World Championship race in St. George.
Or so we've heard.
The young American is renowned for his bike power and prowess. We check out the machine he'll be looking to ride to world championship glory.
Heat, cold, wind, rain, hail—sometimes all in the same day. The weather in St. George is the wild card athletes must contend with on race day.