News

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.

40 years after a Timex product manager arrived in Kona with 1,500 “Timex Triathlon Watches,” the trend-setting and ubiquitous piece of wristwear’s origin story is still a part of multisport lore.

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.

Youri Keulen does nothing halfway - and it paid off in the form of the biggest win of his triathlon career last weekend at T100 Singapore. The wild card himself takes us through the race, including his dramatic finish-line collapse after racing in the heat and humidity.

For expats and globetrotting nomads, triathlon can feel like home. We look at how the multisport community has helped two triathletes in particular find a sense of place in Japan.

Today Supertri announced the addition of two new draft-legal pro triathlon events in the U.S. Read about the locations, including one surprising American venue, and what it all means for pros.

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

From failed aid-station grabs to failed drafting enforcement, there's a lot to improve after last weekend's stop of the PTO T100 Tour in Singapore, says contributor Tim Heming.

From a breakthrough win and wild card wildness in Hong Kong at the PTO T100 Singapore event to a British/French battle for the ages, pro triathlete Laura Siddall dives into a diverse weekend of racing.

How did a rivalry between two of the biggest personalities in triathlon - Lionel Sanders and Sam Long - evolve into a friendship for the ages? It started with a Strava KOM (of course).

Everything you need to know about this weekend's PTO T100 Singapore race, from start lists to a link for the free livestream on Outside Watch.

This weekend's PTO T100 Singapore triathlon will be hot, hot, hot - Trirating expert Thorsten Radde predicts the big names and wildcards we'll see burning up the course.

Ironman's last-minute decision to pull anti-drafting technology was a good one - contributor Tim Heming explains why, plus six additional takeaways from last weekend's Ironman Pro Series debut at 70.3 Oceanside.

From big wins by Taylor Knibb and Lionel Sanders to overturned penalties and clamoring for a spot on pro start lists, insider Laura Siddall dives into last weekend's Ironman Pro Series debut at 70.3 Oceanside.

From the King of Denmark to the King of Culinary Television, triathlon has seen many a celebrity enter our world. We dug up the tri finishing times for actors, kings, former athletes, and more, so you can see how you stack up against the celebrity class.

As 2024 ushers in a new era of pro long-course racing, where the same pros will likely go head-to-head more often than any time in recent history, six-time Ironman World Champion Mark Allen looks back at a similar time.

Returning winners, Ironman world champions, Olympians, and more make up a surprisingly international pro field at this weekend's 70.3 Oceanside.

Few know that there was an Ironman World Series held between 1990-1993 with a participant list that reads like the triathlon hall of fame—what can today’s pros learn from the past?

A new study suggests cold-water immersion can provide substantial relief from menstrual and menopausal symptoms - we talk with the experts about the whys and hows of cold-water swimming for women.

Mike Reilly comes out of retirement, a popular tech company shutters, and more - take a look at what you might have missed in multisport in March.

Women have always crushed it at endurance events, but Michelle Vesterby’s recent dominant overall win at Ultraman Arizona has us asking - why are women so darn good at going super long?

A cyclist recently made headlines when a common saddle sore led to flesh-eating disease and an induced coma. How does this happen - and how can you prevent it? Dr. Jeffrey Sankoff explains.

A pro triathlon career used to start by specializing in short course then spending years progressing to longer distances. Coach Olav Bu examines how (and why) today's pros, including Kristian Blummenfelt and Taylor Knibb, are blazing new trails.

Any other year, smaller World Triathlon events wouldn’t be noteworthy, but the stars are out and looking to impress Olympic selectors—along with 70.3 worlds slots up for grabs and early XTERRA action in Asia.

The fitness platform partnered with a smart collar company to share the athletic feats of your fluffy family member. Here’s what your dog would upload if they spoke English (and, you know, had a phone).

After three days of racing in the desert, Denmark’s Michelle Versterby bagged the win in her Ultraman triathlon debut. She shares her reasons for going long, how her mindset and motto serve her in this new challenge, and a sample training week in her prep for the big (big!) race.

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.

The World Triathlon Para Series begins in Australia with some telling Paralympic performances and some new names to watch at 70.3 Campeche—along with an all-too-common race-ending crash.

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

In one of the most surprising results ever at the 100K distance, the little-known India Lee toppled three world champions at T100 Miami. She talks through her race and shares two of her key workouts.

Emma Meyers is forging a new path as the first para athlete to compete in triathlon at the NCAA varsity level—what that means, and why it matters (not just for paratriathletes).

Pro Laura Siddall gives an expert insider’s read on last weekend’s tri race results, including two big upsets in T100 Miami, the massive effect of a canceled WTS Abu Dhabi, and American Paralympic slots.

The first pro race of the North American triathlon season kicks off in Miami this weekend - here's how to catch the free PTO T100 Miami livestream on Outside Watch.

Instagram isn't just for sweaty selfies anymore. These professional triathletes use social media to inform, entertain, and show the world what it's really like to swim-bike-run for a living.

The first pro race of the North American triathlon season is an embarrassment of riches with both fields boasting world champions left and right. But in the first showing of 2024, who will be on form? Our expert weighs in.

From pairing triathlon race numbers with ballgowns to showing off her Triathlete cover on late-night TV, "Barbie" star America Ferrera is proudly one of us.

After a meteoric rise and abrupt fall, women's-only triathlons are making a comeback—we take a look back at the movement's vaulted past and dissect why they're the sport's future.

“I was thinking about what’s harder: tackling the 14th pitch of the day after you’ve been climbing for 12 hours, or running through 90-degree heat and putting one foot in front of another.”

Lucy Charles-Barclay controversy, layoffs at Zwift, 120 "Challenge Roths" in 120 days, and more! Take a look at what you might have missed in multisport in February.

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.

We love to think of tri training as the fountain of youth, but new studies show that there are limits to how much endurance sports can boost the brain as we grow old.

Though a Supertri v. PTO turf war over a tri on the sandy shores of L.A. may sound like a bad episode of Baywatch, the reality is a little less sexy (but still very Hollywood).

Mental health researcher Jill Colangelo explains why escaping with triathlon training isn't the healthy coping mechanism you might believe it to be.

What happens when you mix a vanishing September weekend, tides in the Hudson, and not wanting to place “a bad bet?” We talk to the decision-makers behind the latest chapter in the odyssey of the New York Triathlon.

As the first-ever Black pro triathletes, Max Fennell and Sika Henry not only smashed through racial and cultural barriers, but used their influence to advocate for more inclusion—and to inspire athletes along the way.

Tickets on sale now for inaugural gathering in Denver, headlined by Fleet Foxes, Thundercat, Lettuce, Andrew Bird, Say She She, and The Heavy Heavy, with adventure films, an ideas summit, and more.

Triathlon has had its share of 15 seconds of Super Bowl ad fame: from dodgeballs and in-water beatings to small-but-mighty commercials on a shoestring budget (and more).

Some have argued that in the years since COVID first struck, more iron-distance pros are racing markedly faster than ever before—using the “trend” to make cases for everything from drugs to unfair equipment advantages. But what does the data really say?

We talk to new USA Triathlon CEO Victoria Brumfield about USAT's controversial new membership tiers and dig into the organization's books for more insight.

Get caught up on the most-read and most-discussed stories of January 2024 in our big monthly digest of triathlon news.

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.

We spoke to the U.S. Secretary of Transportation about his multisport experience and why it's crucial that triathletes are in on the new plan.

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.

And why tri training and racing an Acura GTP that hits top speeds of 200mph aren’t as different as you’d think.

As a part of their new 2024 pro/age-group series, the PTO will be hosting a 100K race at Lake Las Vegas in Henderson, Nevada. Read the details.

"There’s pressure to do it all, to be ‘super mom’ with the perfect house, the perfect life. It’s an unhealthy narrative, but social media, especially, makes it hard to ignore.”

Neuroscientist Dr. Daya Grant explains how endurance training literally alters the structure of the brain.

Alistair and Jonny Brownlee share why their retirement plan includes creating a new Challenge Roth-style triathlon festival and building the next generation of young triathletes.

The use of lugworm hemoglobin has raised eyebrows in the pro cycling peloton, but how does it work, and could it be abused in endurance sports like triathlon?

We spoke to the major players behind the twists, turns, and local politics that gave the former owner of the Malibu Triathlon an exclusive five-year permit to host a triathlon in Malibu—leaving current owners Super League out in the cold.

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.

A 5K, 10K, half-marathon, and (2:55!) marathon - in four days of 2 a.m. wake-up calls. Oh, all while wearing Tinkerbell wings and body glitter. Ironman pro Haley Chura talks one of Disney's biggest feats of endurance: the Dopey Challenge.

“I've worked a 16-hour day before on my own dime at an international race, just to get the experience. So, it has to be something you love because you're not making money."

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.

Coeur, Tortis, and other triathlon brands are investing heavily in bringing first-timers into the sport. Here’s why that’s a savvy business move.

Get caught up on the most-read and most-discussed stories of December 2023 in our Big Monthly Digest of triathlon news.

Check out Susan Lacke's author page.

This year, several stars and fixtures in the sport announced their departure from the pro ranks, marking an end to an era that saw some of the greatest performances of all time.