Ironman

Confused by Ironman’s new Kona and 70.3 Worlds qualifying system? Read up before it kicks off July 6.

Professional triathlon competition ranged from long-course to WTCS this weekend. Here's all the action you missed.

With a wide range of entry prices for triathlons, we pull out some of the cheapest and most expensive triathlons in the U.S. - and decode what makes them so thrifty (or luxurious).

Three Ironman World Champions and an all-star cast of men's pro triathlon will face off at Ironman Frankfurt in what could be the ultimate preview of this year's Ironman World Championship.

After clocking a record-breaking 8:03:13 at Ironman Hamburg, Laura Philipp sits down with Triathlete to discuss Kat Matthews' mind games, where she thinks she can improve, and whether she'll go sub-8 in Roth this year.

The Ironman Pro Series goes Down Under - check out the start lists and race updates for Ironman Cairns here, plus how to watch the free livestream on race day.

We learned how much you’re (really) training, your favorite distances, and more in our massive community survey. Snoop on your fellow triathletes inside.

We've made a 2025 update to our exhaustive list of the greatest triathletes, spanning four decades of racing, an international roster of the best pro triathletes in history, and highlights from every distance and discipline of triathlon.

Athletes share their thoughts on the 2026 one-day Ironman World Championship format in Kona.

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.

Hint: There isn't really an Ironman world record. But there are some fastest-known Ironman (and iron-distance) times.

Can you really have a good Ironman race with only 10 hours of training per week? Probably not, says coach Alison Freeman. But this 16-week low-volume Ironman training plan could get you there.

Pro triathletes face rising costs if they want to race the Ironman Pro Series in 2025 - but what does the $1,500 Ironman pro membership fee really buy, and is it worth it?

A Kona decision? Back-to-back sprint finishes? As the 2025 triathlon season revs up, our editors and contributors gaze into the crystal ball and tell us what they see.

The unconventional and irreverent Ryan Willis is using his triathlon background in a quest to win $250,000 on Fox’s new survival show.

Laura Siddall breaks down eight pro triathletes whose stock is about to take a huge jump in 2025. Learn more about who is on the cusp of a big breakthrough - before it happens.

The International Testing Agency has announced that Simmonds has tested positive for Ligandrol, a banned substance, which she claims was caused by exposure through “intimate relations” with her partner.

The organization’s new rules follow World Triathlon’s efforts to crack down on runaway hydration systems and aerobar extensions, while reducing drafting penalties - among other changes.

"I am Black. I'm from the Caribbean. I am five foot two. I'm plus size. I don’t present as a ‘triathlete.’ But I hope others see me and believe it’s doable."

Models from Asics, New Balance, Hoka, and more have been listed as “prohibited” by Ironman for the 2025 season. Ironman head referee Jimmy Riccitello explains why.

Test your triathlon history knowledge (or just get a massive nostalgia bomb) with this look at historic and modern-day triathlon photos.

With a nearly 30% increase in prize money for pro triathletes in 2024, Thorsten Radde crunches the numbers to see who took home the big share of the $16 million USD up for grabs.

It’s the age-old question for long-course triathletes: Why doesn’t my half-Ironman PR always sync up with my Ironman expectations? We get some real answers from two data experts and a coach.

Data scientist Alfredo Molinas looks at piles of 2024 Ironman finisher data to unveil the fastest and slowest Ironman races of 2024.

From the shocking and scandalous to the inspiring and history-making, these are the 24 news headlines that mattered to the sport of triathlon in 2024.

2024 was a particularly bittersweet year that saw some of the sport’s very best announce their departure from the pro triathlon ranks.

Triathlon spectators help bring the fun and encouragement to our otherwise-painful moments. And once a year, they get their own moment to shine in the best spectator photos of the year.

If a picture is worth a thousand words, then a great picture is worth a million. Check out the 2024 triathlon season through the eyes of our sport's finest photographers.

Updated results, standings, expert insight, and everything you need to know about the Ironman Pro triathlon race series.

Whether you’re looking for a guaranteed wetsuit-legal race or you’ve convinced your loved ones to take a 2025 race-cation, this guide to the best Ironman, iron-distance, and ultra iron-distance races has you covered.

DeRue has had "exciting" conversations with athletes, politicians, and community members about the Ironman World Championships - but where will they lead?

A new World Triathlon president, an Ironman (CEO) PR, and the tri gear set to appear on Apple Store shelves - catch up what you may have missed in multisport in October 2024.

There's no denying that hitting up the flat cola table at an Ironman has its advantages for some athletes - but be smart about when and how you drink up.

Meanwhile, 2022 Ironman World Champion Gustav Iden will be "disappointed" if he wins. Here’s what else you missed from the pre-race press conference at the 2024 men's Ironman World Championship.

With a rich 40+ year history, the Ironman World Championship is home to some of the greatest races in the sport of triathlon. Expert Thorsten Radde has created an objective, data-based system to rank the 10 very best.

Though Magnus Ditlev doesn’t race in North America often, the fastest professional iron-distance triathlete ever is impacting the biggest races in our sport. Read why.

Pro Laura Siddall digs into a professional weekend of racing you might have otherwise missed.

Pro Laura Siddall makes the rounds in the midst of a super-packed short-course calendar and talks about some races that might have flown under the radar.

Ironman brings back an old favorite and announces a new location, PTO changes plans for Grand Final, and the end of a 26-year triathlon career - catch up on what you may have missed in multisport in September 2024.

As the women took center stage outside of the U.S. for the first time ever, editor-in-chief Chris Foster explains why the 2024 Ironman World Championship pro results ended up spread out all over the French countryside.

Pro triathlete Laura Siddall gives a detailed look at the Pro Series “race within the race” at last weekend’s women’s Ironman World Championship in Nice.

Sacramento local and experienced age-grouper Josh Pryor shares an inside look at the Ironman California course and destination—everything from training locations to spectator spots to post-race eats—so that you can have your best race weekend experience in California’s capital.

The Ironman Pro Series goes to Austria this weekend - check out the start lists and race updates for Ironman 70.3 Zell am See-Kaprun here, plus how to watch the free livestream on race day.

Estonia is the next stop on the Ironman Pro Series - check out the start lists and race updates for Ironman 70.3 Tallinn here, plus how to watch the free livestream on race day.

The final full-distance event of the 2024 Ironman Pro Series before Ironman World Championships in Kona has a loaded men’s-only pro field. Trirating expert Thorsten Radde previews the top contenders and wild cards.

Just moments after taking silver in the Paris mixed team relay, Taylor Knibb tells Triathlete why even a home Olympics in Los Angeles 2028 might not bring her back to short-course triathlon, and why T100, time-trialing, and even Ironman World Championships Nice all could be on her agenda.

Joscar Duque's up-and-coming triathlon career was put on pause by a humanitarian crisis in Venezuela. Now, he's rebuilding his life - and love for the sport - in the United States.

We take a look at Ironman’s new pregnancy policy update with some insider perspective on why more triathlon series’ don’t have their own formal pregnancy deferral process.

The owner of the second-fastest Ironman bike split of all time loves pushing the pedals. Skye Moench explains why triathletes must respect the bike and shares a five-day bike focus.

At Ironman Lake Placid Lionel Sanders is looking to race his first iron-distance event of the year against Joe Skipper, Jackson Laundry, Braden Currie, and more, while Alice Alberts hopes to repeat over another previous IMLP winner, Sarah True.

Sam Laidlow will make his Ironman Pro Series debut and Kat Matthews is going for the W (and 5,000 points) - check out the start lists and race updates for Ironman Vitoria-Gasteiz here, plus how to watch the free livestream on race day.

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.

A new generation of well-rounded racers is emerging in Europe, and last weekend’s races prove you can’t have any weakness. Also: The Paralympic qualification window ends.

France is the next stop on the Ironman Pro Series - check out the start lists and race updates for Ironman 70.3 Les Sables D'Olonne here, plus how to watch the free livestream on race day.

The Ironman Pro Series travels to Canada this weekend - check out the start lists and race updates for Ironman 70.3 Mont-Tremblant here, plus how to watch the free livestream on race day.

Ironman legend Mark Allen shares his two-week taper plan for the full- and half-iron distances, along with expert tips on how to taper right.

In his first one-on-one with multisport media, DeRue details what he’s been doing in his first few months at Ironman, what he’s learned from the triathlon community so far, and what age-groupers and pros will see at upcoming races.

A star-studded women’s pro field took the spotlight last weekend at Ironman Hamburg (with crashes, penalties, bike records, and more), the Challenge Family series rolls on, and a sprint finish for the Team GB Olympic selection.

A beloved North American Ironman race is renewed through 2027, Barbie gets the triathlon treatment, and an Ironman legend announces open-heart surgery - take a look at the triathlon news you might have missed in May.

The second full-distance event in the Ironman Pro Series will play host to a women’s-only pro field. Trirating expert Thorsten Radde previews the top contenders and wild cards.

Tim O’Donnell’s Ironman days may be over, but he's not leaving the sport anytime soon. The American fan favorite talks about his new focus on XTERRA triathlon, what it's like to be a coach, and his foray into motivational speaking.

From qualifying for Kona at a local Olympic-distance race to fueling with anything (including Big Macs), the OGs of the sport did things a little differently.

All Ironman Europe races will now feature a sodium-focused, electrolyte drink mix from Precision Hydration.

The 2022 Ironman World Champion and two-time Ironman 70.3 World Champion is on the comeback trail after one of the hardest years of his life.

The next stop of the 2024 Ironman Pro Series comes at 70.3 St. George - Trirating expert Thorsten Radde previews one of the toughest courses in North America, plus the top pro contenders and wild cards.

Patrick Lange, one of the fastest runners in the sport (ever) is outsplit and outraced by a historic performance from Mexico's Tomas Rodriguez in Texas, Kat Matthews makes it two, and some directionally challenged triathletes shake up results in Taiwan and Greece.

From missing packet pickup to mid-race tech troubles and getting lost on the course, coach Alison Freeman provides a roadmap to get you through the worst-case scenarios of race day.

Familiar fields, big names, points, and early season world championship slots are all on the line at the North American Ironman season opener in Texas.

Sam Laidlow’s coach (and father) Richard Laidlow answers a very big question with four answers for four types of long-course triathletes.

Top names like Daniela Ryf and Laura Philipp finish further back than expected and Cam Wurf does double duty as dramatic back-and-forth racing between up-and-coming pros highlight exciting early season events.

Triathlete has the exclusive official details on the recently signed Mortal Hydration partnership, and we speak to an independent sports nutritionist on what the change means for those who still use Gatorade Endurance for their race-day needs.

The worst thing about pro racing this year? Keeping up with all the top-tier events. Our 2024 pro triathlon racing calendar can help.

"I’m in awe of the athletic accomplishments of the pros and elite athletes at the front of the race. But I’m blown away by the effort that goes into working for 16-plus hours to cross a finish line."

We speak to head Ironman "rule master" Jimmy Riccitello for insight on Ironman's recently amended, added, and clarified race rules—and give context on why and why now.

Whether it’s epic scenery, a killer challenge, or both, the editors of Triathlete present 13 of the best bucket-list triathlon events in the world.

Data suggests triathletes are choosing middle distance over iron-distance racing. We crunch the numbers and talk to the experts to explain why.

It's not just triathletes sacrificing a world championship slot for their faith; for some of tri's most iconic host towns, the Sabbath is off-limits, too.

As the former president of Equinox fitness, DeRue helped oversee over 100 fitness clubs, a fitness platform, digital commerce, and its media groups through COVID and the dawn of vaccines.

Remember the Couples Championship? How about Colleen Quigley and Mary Cain in tri? And is anyone racing the Ironman Open category? We caught up with the people behind the most-talked-about news in triathlon.

With about $12,000,000 in prize money available for pro triathletes in 2023, we break down who won what and the trends we’re seeing in the cash flow.

Looking for a little (legal) assist in the swim leg of your next race? Data scientist Alfredo Molinas breaks down the stats to find the fastest Ironman and 70.3 swim courses.

Data scientist Alfredo Molinas dissects 2023 finisher data to unveil the fastest and slowest Ironman races of 2023.

Get excited! The 2023 Ironman World Championships documentary from Nice and Kona will be available for free on-demand streaming on Outside Watch starting December 30 - and we've got a video preview to give you all the goosebumps.

From breakthroughs to record-breakers, 2023 was full of memorable moments from the top pros in our sport. Triathlon analyst Thorsten Radde rates the top pro performances in triathlon this season.

Injury, illness, and burnout taught Olympic silver medalist Lisa Norden everything she needed to know to build a strong, resilient body for a second act in long-course triathlon - and a new Ironman bike record.

We spoke to the CEOs from both Ironman and TriDot to learn how the partnership materially affects Ironman athletes, Ironman University coaches, and everyone’s data.

Former pro and current coach Tim Reed upends the conventional wisdom that a full-iron event requires you to suffer all day.

The answer isn't as simple as you think.

A frank conversation with Ironman CEO Andrew Messick reveals details about the pro series, why now, what it could mean for pro world championship qualification in the future, and more.

...that is, until you really, really, really needed to know the answer. Never fear, we're here with advice on carb-loading, finding the water temp, and what pressure to set your bike tires in transition.