Reporting nearly 35,000 attendees across four days of events, the Outside Festival hosted musicians, speakers, panels, and a national startup pitch competition.

The third race in the 2025 T100 Series is in Vancouver on June 14. Trirating.com expert Thorsten Radde highlights the top pro athletes.

“I looked up at the boat for help, but people were still jumping.”

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.

"I hope it shows other blind or disabled people that what seems impossible might just be within reach.”

Laura Siddall breaks down an exciting weekend of racing, including T100, Ironman, and the World Triathlon Championship Series.

We get a detailed glimpse at the interesting (and freshly delivered) Pinarello Bolide TR that last year's Singapore T100 winner Youri Keulen will ride at the 2025 San Fransisco T100 this weekend.

We take a look at the Scott Plasma RC that last year's 70.3 Ironman World Championship podium finisher Ashleigh Gentle will ride at the 2025 San Fransisco T100 tomorrow.

A shocking bike crash for Hayden Wilde, an epic Everest triathlon comes to a close, and the Midwestern triathlon race named the best in the USA - catch up on the triathlon news you may have missed this month.

Ironman Hamburg is the professional women's-only European Championship. See how the competition stacks up from Trirating.com expert Thorsten Radde.

Last year's edition of the San Fransisco T100 ended up being one of the most exciting races of the season. Thorsten Radde explains why the 2025 version promises similar competitive matchups.

It's your final day of the three-day weekend to log extra training miles and score big savings on triathlon gear with these Memorial Day deals.

A showdown of women’s world champions, Sanders and Long go head-to-head, and more thrilling storylines await at 70.3 Eagleman on June 8.

“No matter where you start - if you put in the work, you can achieve something great,” says Lowery, the first African-American woman to win an Ironman event.

Harnessing the power of your metabolism could put you on the fast track to improved performance.

While you’ve probably heard it’s all about hydration and electrolytes, there’s more you can do to prevent cramping during and after biking.

A 138-mile event with a grueling 21,000 feet of overall elevation gain had never seen a female finisher. Nikola Čorbová was the 2025 overall winner, breaking the tape ahead of all male competitors.

Rain was a factor in most races this weekend, with one race favorite wiping out on the bike.

Laura Siddall breaks down a big weekend of international racing that saw age-grouper Latifah Lowery make history as the first African American woman to win an Ironman 70.3 race, the Canadian invasion in St. George, a Project Podium breakthrough, and more.

For his 39th birthday, tri newbie Adam Jones fundraised to pay off school lunch debt in his hometown of Peabody, Kansas.

After nearly 15 years of brutal climbs, scorching heat, beastly winds, and unforgettable finishes, the Ironman era in St. George, Utah is ending.

“It’s hard to explain the opportunity cost of chasing this dream. You’re not building a resume. You’re not gaining work experience. You hit 30 and try to enter the job market, and you’ll be competing with 24-year-olds."

"People showed up for triathlons based on their high level of physical fitness. They were not training in the three sports; they were strong athletes who showed up to have fun!”

After a 15-year run, the final Ironman 70.3 St. George is set for this weekend, and it's going out with a bang: Sam Long vs. Magnus Ditlev vs. Lionel Sanders; and Paula Findlay vs. Chelsea Sodaro vs. Jackie Hering. Thorsten Radde breaks down the pro field odds.

New names stood atop the podiums at Ironman 70.3 Venice-Jesolo and Ironman 70.3 Port Macquarie while fan favorites brought home the win at XTERRA Weston Park.

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.

Ironman Texas was a great day for sport complete with new records and rivalry on the women's side alongside an impressive marathon from Kristian Blummenfelt. Insider pro triathlete Laura Siddall Breaks down the weekend's biggest races.

This is the rivalry triathlon has been waiting for.

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

Just four days before kicking off her 2025 season, Chelsea Sodaro announced her new bike sponsor. Here's a look at her new Ventum Tempus, shot on location, just before Ironman Texas.

Get a close-up look at the bike Canadian Tamara Jewett will be riding In her debut full-distance race at Ironman Texas

The Ironman Pro Series heads to Europe with a first-ever race in the Venetian Riviera. See the start lists and race updates here, plus how to watch the free livestream on race day.

With little warning, the Los Angeles 2028 Olympic committee has moved triathlon from its home in Long Beach to an entirely new site over 30 miles away. Triathlete’s editor-in-chief digs in to the details.

Physical therapist (and former professional triathlete) Jennie Hansen looks at injury rates for triathlon compared to other sports, including pickleball, football, basketball, and Crossfit.

The 2025 Ironman Texas professional triathlete start list includes several past winners and a veritable who's who of competition looking to score a world championship slot and Ironman Pro Series points.

While large-scale policies are crucial for significant environmental change, individual efforts within the triathlon community can also make a difference.

Another study touts the benefits of heart rate variability training - here’s what it says.

"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.

We sent "a cynical journalist who swims like a wise guy in cement shoes from a mafia movie" to test TriDot Pool School. Did his speed improve to the astounding degrees promised?

Celebrate your big day with a big birthday workout - we’ve got you covered with swim, bike, and run challenges for every athlete (and every age).

Hurricanes, lightning strikes, and landslides are among the reasons triathlons have been canceled in the past, but rarely is the cause as mundane as “technical difficulties.”

From a hot and humid showdown in Singapore to a Canadian double at 70.3 Oceanside, professional triathlete and columnist Laura Siddall reviews and analyzes a busy weekend of T100, Ironman, Supertri, and Challenge Family triathlon races.

After a challenging 2024 season, Ben Kanute is looking to start 2025 strong in Oceanside. Here's a look at his new Ventum Tempus and the components he's chosen.

We take a close look at the Specialized Shiv TT bike Paula Findlay will be using at 2025 Ironman 70.3 Oceanside.

On Sept. 15, 2024, Mitchell Hutchcraft embarked on a multisport expedition from England to Mt. Everest. He has swum across the English Channel, biked through 18 countries, and run from India to Nepal. Only the trek up Everest remains.

The 2025 T100 series is underway in Singapore with a loaded field. Expert Thorsten Radde breaks down the top contenders on the stacked start list.

The 2025 pro season is starting off strong. Here's what Trirating expert Thorsten Radde projects for the U.S. opener to the Ironman Pro Series.

Two-thirds of athletes report using NSAIDs like Aleve to manage pain and inflammation - and that could be doing major damage. Dr. Jeffrey Sankoff explains why, plus recommends the best NSAID alternatives for athletes.

A Canyon bike recall, new investors for the PTO, and a new paratriathlon world record - catch up on what you may have missed in multisport for March 2025.

Studies show exercise can change your biological age - but how does endurance exercise, specifically, add or subtract years to that magic number?

For its 30th anniversary, the XTERRA World Championship will return to the USA - but not Maui.

We're granted rare access to the 2024 Olympic gold medalist's coach for insight into Yee’s 2025 London Marathon prep.

The hottest athletes on the T100 Tour have something to prove with their exclusive contract. Will they turn up the heat once more in 2025? We preview the hotshots of the 2025 T100 Triathlon World Tour.

After dipping her toes into middle-distance racing last year, Spivey is diving in to her second hotshot contract on the T100 series. We catch up with the Olympian before she kicks off her ambitious 2025 T100 season.

Regular bloodwork - whether at the doctor’s office or self-ordered - can provide key insights into your athletic performance and fueling needs. Susan Kitchen explains which tests to order at the lab and how to interpret them like a pro.

We got punctured, swabbed, and wiped (yes, wiped) to determine the best on-demand health tests for athletes - no doctor’s office required.

“This sport makes us vulnerable. We cry in private after a bad race, we sweat alone in our basements during tough training sessions. ... Sharing that journey with friends is so important.”

The first full-distance race of the Ironman Pro Series is here! Here’s who (and how) to watch the action on the free Ironman South Africa livestream.

Triathlon training might just be the ticket to staying mentally sharp as you age. Dr. Daya Grant explains how swim-bike-run workouts now could reduce the risk of Alzheimer’s, Parkinson’s, dementia, and age-related cognitive decline in the future.

USA Triathlon CEO Vic Brumfield's candid interview on a (surprisingly) growing younger demographic, vanishing local races, a historic American Olympics, a shifting collegiate strategy, and more.

For those seeking the ultimate triathlon test (and maybe a touch of masochism) these events currently stand as the pinnacle of endurance sports.

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?

The Ironman Pro Series kicks off its 2025 season with fast-and-furious racing in Australia - here’s who (and how) to watch the action on the 70.3 Geelong livestream.

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.

Triathlon training is good for the heart - until it’s not. Scientists explain how too much endurance training can permanently alter the structure and function of heart, leading to potentially dangerous health issues.

The middle-distance specialist and 2016 70.3 world champion says the challenges of pregnancy and breastfeeding gave her clarity on her next triathlon goal: to qualify for the Ironman World Championship in Kona.

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 return of the Malibu Triathlon, the triathlete who won the “Athletes' Athlete of the Year” award, and Supertri goes all-in on age-groupers - catch up on what you may have missed in multisport for February 2025.

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.

Tim Heming speaks to athletes, agents, brands, and more to uncover one of the most taboo subjects in professional triathlon: sponsorship.

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.

Spending thousands of dollars on a triathlon bike can be a stressful endeavor, can Apple’s AirTags (or similar tracking product) help provide peace of mind? The truth isn’t as simple as you’d think.

Anti-drafting technology made its age-group racing debut at Challenge Wanaka - is your local race next? We chat with RaceRanger CEO James Elvery about what’s ahead.

As a thank-you for making us a part of your multisport journey next season, we’ve broken down our favorite tri-related Outside+ member perks for this year.

"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."

A growing number of elite athletes and bike designers swear by the aerodynamic benefits of stacking multiple bottles between their arms. We dove deep – and conducted our own DIY testing – in search of answers.

The 2025 professional triathlete season is officially underway. Laura Siddall explains what to watch in 2025 and analyzes the World Triathlon Championship Series in Abu Dhabi.

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.

Love looks a little different when you’re a triathlete. From amped-up texts to post-race snacks, these are the ways we know our partners really love us.

Exploring the future of flexibility in triathlon events post-COVID.

What’s the secret behind Russ Callen’s 50-year streak in a small, unconventional triathlon? He’s just having fun with friends.

Researchers analyzed 710 runners and monitored their injuries. They found that one shoe type has a higher running-related injury correlation.

Dr. Jeffrey Sankoff discusses why fitness trumps weight loss when it comes to longevity.

An enlightening new study revealed just how prevalent the toxic class of PFAS compounds are in smartwatch wristbands. Here’s what triathletes need to know.