News

Trirating expert Thorsten Radde previews the pro fields for T100 Ibiza, with analysis and odds for you to make your predictions.

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.

With a nearly flawless race in France, Germany’s Laura Philipp powered to the win and her first Ironman World Championship title.

DeRue explains why some locations were added (and some were removed) from the 2025 Ironman Pro Series schedule, as well as insight into a new prize-money structure.

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.

UPDATE: Tomas Rodriguez Hernandez has agreed to serve a two year period of ineligibility after doping samples collected at Ironman Texas tested positive for clomiphene. He will now also forfeit prize money, standings, and points from the event.

"It's more than just a race—it's a way to show the world that Deaf and hard-of-hearing athletes can compete at the highest levels."

Shaved legs or au naturel? Sprint in the finisher's chute or jog it in? And which is more impressive: Winning the Olympics or the Ironman World Championship?

Pro Laura Siddall scans the globe, analyzing an incredibly busy weekend of triathlon with notable finishes from familiar faces.

In her first interview with a North American triathlon media outlet after abruptly announcing her retirement two weeks ago, 10-time world champion Daniela Ryf explains why now, what's been going on, and what's next.

It's about to get hot, hot, hot in Ibiza! Get the start lists, updates, livestream information, and more from the latest T100 series showdown in Spain.

Triathletes looking for the next level of epic multisport challenges are flocking to these extreme events.

Two top triathlon pros get married, another pro announces season-ending surgery, and an age-grouper sets a world record - take a look at what you might have missed in multisport in August.

A recent study found short-course triathlon performance improved after the COVID-19 pandemic. But was this due to different training and racing patterns during peak pandemic, or is triathlon just a sport that was already getting faster?

Pro Laura Siddall digs into a long week of racing from World Triathlon Multisports Championships, combined with long- and short-course action across the globe.

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.

With the Ultra Trail du Mont-Blanc (UTMB) events on the horizon - the Super Bowl of ultraunnning - we look at eight notable elite-level triathletes who made the switch to ultra.

Our little sport doesn’t always make the news, but when it does you can be sure it’ll be for something wacky. From viral videos to appearances on late-night TV, here are seven times triathlon entered the national conversation.

From record-breaking performances to amazing comeback stories, this season has been full of compelling storylines from pro and age-group triathletes alike. We lift out the ones you might have missed.

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.

90 women and 90 men have qualified for the 2024 Ironman 70.3 World Championship. Here's who made the cut and how to watch the 70.3 World Championship livestreaming exclusively in North America on Outside TV.

The Ironman Frankfurt results did not look anything like what you’d expect and (super) short-course racing returns. Laura Siddall digs in and explains.

A new study on heart health in endurance athletes over 50 brings concerning and reassuring findings on the "reverse J-curve" effect of exercise and cardiac events. Dr. Jeffrey Sankoff explains.

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.

Kristian Blummenfelt is scheduled to return to long-course triathlon after the Paris Olympics, where he'll face off against Patrick Lange, Sam Long, Matt Hanson, and more. Get the full Ironman Frankfurt start list, plus how to watch the free livestream on Outside TV.

Dozens of volunteers in nearly every state across the U.S. are working on recruiting single-sport high school athletes for triathlon—but how does it all work, and why do we need them?

Laura Siddall checks in on the final off-road stop before XTERRA World Championships in September, as the action in the XTERRA world series heats up.

What is clomiphene, the drug at the center of the Tomas Rodriguez Hernandez anti-doping news? Can eating eggs really cause a positive drug test? We went to Dr. Mario Thevis, researcher and director of the Center for Preventive Doping Research, to get answers to the questions everyone's asking.

Sika Henry retires, a driving force in triathlon passes away unexpectedly, an iconic race makes a comeback in 2025, and more - take a look at what you might have missed in multisport in July.

American Taylor Knibb had a hard day on the rainy streets of Paris, Sam Laidlow once again reigned supreme, and Gentle gets back on top in London.

Trirating expert Thorsten Radde previews the pro fields for T100 London, with analysis and odds for you to make your predictions.

The 25th anniversary of Ironman Lake Placid saw a deep field, lots of in-race drama, and a reshuffling of the Pro Series leaderboard. Pro triathlete Laura Siddall looks behind the results list and reveals why it all matters.

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.

A star-studded field on a notoriously tough course with valuable world championship slots (and Ironman Pro Series points) up for grabs will make the 2024 Ironman Lake Placid one to watch. Trirating expert Thorsten Radde previews the top contenders and wild cards.

A Pro Triathlete’s Insight on Long-Course Speed (and Drama) at Ironman Vitoria-Gasteiz, a Paris Podium Preview in Hamburg, and More

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.

An incredible party atmosphere and shattered world best times marked the 40th anniversary edition of Challenge Roth. Pro triathlete Laura Siddall breaks down how it all happened.

Magnus Ditlev is going for the three-peat this year at Challenge Roth - can he beat his record-breaking 7:24:40 from last year?

Laura Philipp has racked up 24 wins in her impressive career - can she make it 25 at Roth?

Could Anne Haug's last-minute decision to race Roth result in a third win? We sat down with Haug ahead of this weekend's big race.

Patrick Lange has a goal of running a sub-2:30 marathon at Roth this weekend. The two-time Ironman World Champion chats with Bob Babbitt ahead of his record-breaking attempt.

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.

Felix Walchshofer of Challenge Family joined Breakfast with Bob in Roth to talk about his family's race. Felix also spoke frankly about Ironman and its leadership under Andrew Messick.

One of the deepest pro long-course fields outside of a world championship will converge this weekend at Challenge Roth. Trirating expert Thorsten Radde previews the top contenders and wild cards.

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.

A lost bike, a five-hour rush from one venue to the next, and a double victory - it's all in a weekend's work (and a weekend's fun), says Paula Findlay.

Lucy Charles-Barclay's surprise race announcement, a new Midwestern 70.3, and more - take a look at what you might have missed in multisport in June.

Lucy Charles-Barclay, Ashleigh Gentle, Sam Long, Alistair Brownlee, and more: London is shaping up to be the biggest T100 race yet! Get the start lists, updates, livestream information, and more from the great race in Great Britain.

Post-pandemic levels of participation in high school sports is still lagging behind. Is triathlon’s muddiest division the answer?

Paula Findlay took the Canadian National Time Trial Championship one day, then time trialled her way to a dominant victory at 70.3 Mont-Tremblant two days later. Also: Lionel Sanders is back and Paralympic qualification heats up in Swansea.

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 T100 Tour was pitched as a place for the sport’s biggest names to shine in constant head-to-head matchups, but pro triathlete Laura Siddall argues it hasn’t quite happened that way (and why we might be better for it).

Another Ironman Pro Series event with big names up front promises to shake up the overall standings. Trirating expert Thorsten Radde previews the top contenders and wild cards.

While familiar names struggled down under, the reigning women’s Ironman world champion pulled a 180 to go from “no Nice in 2024” to “two Nices in 2024.”

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.

Despite a small footprint in North America, Challenge Family is quietly growing huge events in the background.

The process of getting a deferral or refund can be frustrating for multisport moms-to-be. These races are changing that by offering generous pregnancy and postpartum policies for age-group triathletes.

It was a busy weekend with a wild sprint at T100 San Francisco, another big win for (a very busy) Taylor Knibb, Ironman Pro Series action in Boulder, and another stop on the XTERRA Tour.

Taylor Knibb vs. Ashleigh Gentle, Sam Long vs. Magnus Ditlev: The battle is on at T100 San Francisco! Get the start lists, updates, livestream information, and more from the showdown in San Francisco.

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.

Trirating expert Thorsten Radde previews the pro fields for T100 San Francisco, with analysis and odds for you to make your predictions.

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.

Some may feel that our sport is taking some first steps toward true inclusion, but critics agree the solution isn't as simple as it seems, and triathlon may have a long way to go.

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.

A Colorado classic is the next stop on the Ironman Pro Series - see the mega-stacked start lists and race updates here, plus how to watch the free livestream on race day.

Sure, the results and rankings tell one side of the story, but we call out our favorite pro triathlete personalities from the 2024 PTO T100 Tour.

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.

Charlotte Jarps is a former fashion industry designer and art teacher who finally found her favorite canvas in the most unlikely of places: cycling shoes.

"The Insider" Laura Siddall breaks down triathlon race results around the world, including the Challenge Championship, 70.3 Chattanooga, and XTERRA Oak Mountain.

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.

A data expert analyzes Ironman and 70.3 times to better understand what triathletes should expect as they get older; a physical therapist fills in the "why" and reveals what to do about it.

On paper, last weekend looked like some amazing racing, but pro triathlete Laura Siddall digs deeper to make sense of the chaos in results from WTCS and Paratriathlon World Series Yokohama and 70.3 Mallorca.

With only Taylor Knibb auto-qualified for Team USA, the two remaining spots for women's triathlon will be discretionary picks - we take a look at the process and contenders.

A giant pile-up crash in the men's race at WTCS Yokohama - a critical race in the Paris 2024 qualifying process - could affect who we see on the start line at the Olympics.

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.

Contributor Tim Heming on Sam Long's sub-2 hour bike splits and Paula Findlay's longevity at 70.3 St. George, plus bad luck for Jackson Laundry and even worse luck for Lionel Sanders.

The Ironman Pro Series kicks off its European leg with 70.3 Mallorca this Saturday, with big names like Gustav Iden, Patrick Lange, Emma Pallant-Browne, and Laura Philipp on the start list.

Sam Long goes five podiums for five races with a win in Utah, Paula Findlay rides away and never looks back, two tri gold medalists in one off-road event, and Ironman action in Australia.

After a midrace mishap at Oceanside 70.3, the 25-year-old told a friend he'd "close the Instagram app on my iPhone and not turn it back on until I post a photo holding the finish line tape from Ironman Texas above my head."

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.

Just because you haven't heard of a race winner doesn't mean they came out of nowhere, writes contributor Tim Heming. Plus, what does Kat Matthews' big win in Texas tell us about load management this season?

"Alarming" water quality levels for Paris Olympics, Jan Frodeno takes new post-retirement role, and more - take a look at what you may have missed in multisport in April.

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.

Shortly after taking third at T100 Miami, Holly Lawrence revealed she was pregnant during the race. We asked an OB-GYN what all triathletes should know about training and racing while pregnant—and what to expect post pregnancy.

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.

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.

Use our calendar of 2024 kids' triathlons to find a race for your budding Lionel Sanders or Taylor Knibb.