Triathlon News

Do certain factors lead to a higher DNF rate at Ironman Races? Data guru Russell Cox analyzes athlete performance over the last 13 years in search of trends.

Ironman and Challenge may be the big kids in age-group triathlon, but Supertri and T100 entered the mass participation scene in earnest this year, and XTRI and XTERRA also made some big moves. Our end-of-the-year report provides both participation data and exclusive insights from the races themselves.

Brazil’s recent triathlon boom has once again brought the sport to a reckoning with privilege and inequality - one that feels all too familiar to triathletes and race directors around the world.

Despite the "growing pains" and event fiascos of 2025, the Professional Triathletes Organization is strengthening its partnership with a financially struggling World Triathlon to launch an all-encompassing Triathlon World Tour in 2027 and increase mass participation.

It was a fight to the finish in Qatar - Laura Siddall breaks down who’s taking home a share of the $2.94 million bonus pool for the 2025 T100 Tour.

One race remains in the 2025 T100 Tour. Here's how the pro athletes stack up and their chances of winning part of the season-end $3 million prize purse.

Being a good triathlete doesn't always mean you'll be a good runner — but there are some pros who have turned in top marathon times.

A stray golf cart damages pro bikes, the first all-women’s world cup, and more kept late-season racing interesting this weekend.

Ironman has released 2025 RaceRanger drafting data from the Pro Series, and we explain what the pro-only stats reveal about various courses, men’s racing versus women’s racing, and more.

Ironman has revised its new qualifying system for Kona world championship, introducing gender-specific slot roll downs and separate performance pools based on participation to address the gender imbalance that had been favoring male athletes.

Dubia T100 is the final race before the Grand Final in Qatar where nearly $3 million in prize money will be awarded.

The Ironman 70.3 World Championship was the final race of the Pro Series, and we know know how the bonus bucks will be shared. Laura Siddall breaks down the biggest men's and women's paychecks in Ironman and 70.3 triathlon.

World titles and $1.7 million in award money for the Ironman Pro Series are on the line in Marbella, Spain, this weekend. Trirating expert Thorsten Radde analyzes who is most likely to win it.

There are a lot of adult-onset swimmers in triathlon - but are they at any disadvantage to triathletes who start swimming in childhood? Here’s what the experts say.

This year's 70.3 worlds will feature an all-star lineup, including Taylor Knibb, Lucy Charles-Barclay, Kristian Blummenfelt, and more. See the full start list and race numbers for the women's and men's pro races, plus how to watch the free livestream on Outside TV.

The Ironman World Championship has made a lot of progress in the last three years of women’s-only racing. Now it must avoid a setback.

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.

The sponsorship announcement, made on the eve of the Ironman World Championship, is controversial - but in triathlon’s current landscape, it’s also a smart business decision.

From little-known brands to drool-worthy custom designs, today's age-group bike check-in offered a feast for the eyes.

“The threat to me was: ‘If you don’t shut up, we’ll go public about you.’ It has led me to believe and witness that there is a mafia-like culture within World Triathlon, and it has to stop.”

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?

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.

From little-known brands to drool-worthy custom designs, today's age-group bike check-in offered a feast for the eyes.

Triathlon, but make it French: Triathlete staff photographer Brad Kaminski captured triathletes putting the finishing touches on their prep for the 2025 Men’s Ironman World Championship.

Triathlete's editors are on the ground in Nice, France, bringing you live, behind-the-scenes coverage you can't find anywhere else. From pro and age-grouper interviews to pro bikes and gear, check back often on our live blog for the latest.

We stepped into the broadcast booth at the T100 San Francisco event in May to see how the sausage is made. The entire operation was mind blowing.

Exclusive: Triathlete speaks to both sides of the contentious legal proceedings surrounding last year's World Triathlon elections, in which one former board member accused another of influencing the outcome.

Norway’s latest triathlon star didn’t set out to conquer long-course triathlon, but that’s exactly what she’s doing. Could she follow in the footsteps of Kristian Blummenfelt and Gustav Iden and pick up a win in Kona?

Laura Siddall details the controversial Lisa Perterer drafting penalty at Lake Placid and the competition at World Triathlon Para Series in Montreal.

92% of triathletes say they want to do the sport for life - so why does triathlon have a retention problem?

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.

Plus, what this means for amateur triathletes racing Ironman, World Triathlon, PTO, and more.

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—we look at what's changed in 2025 (and what really hasn't).

“It’s definitely more complex than a one-day triathlon, but the trade-off is worth it. People walk away saying, ‘I feel better after this weekend.’ And that’s the goal.”

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).

Triathlete's 2025 Community Survey results are in. We found more athletes are traveling, but going on fewer trips than in 2024. See how your travel dreams stack up to the average athlete.

“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.

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

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.

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.

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

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.

This is the rivalry triathlon has been waiting for.

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.

We’ve selected a diverse group of 12 top triathlon coaches with a variety of styles, backgrounds, athletes, and results that any fan of the sport should know.

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.

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.

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.

An investigation by the International Testing Agency has found the Swiss triathlete’s positive sample for Ligandrol was “due to inadvertent contamination through intimate contact.” Her post-test 2024 70.3 Ironman World Championship result will stand.

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.

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.

"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.

Hours upon hours of movies, shows, and short films await on Outside TV - start streaming and actually enjoy your trainer and treadmill time this winter.

Changes include new categorization for age-group athletes and requirements for elite transgender women to participate in academic research.

T100 inks five-year deal for championship host city, a new documentary showcases trailblazing women in triathlon, and an eye-popping Morgan Pearson PR - catch up on what you may have missed in multisport for January 2025.

You’re already spending a lot of time on the trainer and treadmill - might as well learn a thing or two from these triathlon podcasts.

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

Thirty members of the particularly hard-hit Pacific Palisades-based Tower 26 triathlon group have already lost their homes. We speak to triathletes and coaches displaced and evacuated by the LA wildfires.

Wondering what you missed for triathlon stories in 2024? We recap the 12 most-read stories so you can catch up before the new year.

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.

We look at the bikes ridden by the five fastest cyclists in both the women's and men's pro races at the 2024 70.3 World Championships in Taupō, New Zealand.

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

The 30-year-old Paris Olympian overcame a disappointing short-course season to win the 2024 70.3 World Championship with a late-race surge.

The 26-year-old American unleashed yet another dominant performance on the global stage, while second-place Kat Matthews secured the required points for the overall Ironman Pro Series win.

”I don't know what people expect of me, but I am just going to try and finish the year on a high. It has been a super long year, and I'm a little bit unsure - I could do super well or I could be out the ***,” top contender Ashleigh Gentle told the audience in Taupo.

Also: What the heck is a cyclor, and why would a triathlete be so good at it?

Looking to unleash your short-course speed in 2025? Take on one of these top sprint or Olympic races in the U.S. - there's something for everyone!

Rotating locations and splitting the Ironman 70.3 World Championship race into two days was a risky move, but it's shaped the race into one of the most sought-after experiences in triathlon.

In his middle-distance debut, American short-course star Morgan Pearson clinched his spot for next year's 70.3 World Championships, plus Belgium's Claire Michel closes out her career with a win in Indian Wells.

Authors of a new women's triathlon survey say that female participation in a race nearly doubles when the average race spends 1.5% more to address their needs. Read what they uncovered.

We've seen some amazing performances on the 70.3 circuit this year, but who is the best of the best? Watch the battle play out on the free Ironman 70.3 World Championship livestream, available exclusively on Outside TV.

Tech advances in triathlon often don’t live up to the hype, but one has stood out as a measurable success: RaceRanger. What's next for the revolutionary anti-drafting system? Both its founder and Ironman have some bold ideas.

Pro triathlete Laura Siddall breaks down the impact of 70.3 Western Australia results on the Ironman Pro Series standings, plus highlights the exciting finishes of Ironman 70.3 Bahrain, the Ultraman World Championships, and Patagonman.

A seven-year collegiate streak comes to an end, an Olympian takes the helm of a new development team, and a major triathlon bike recall - catch up on what you may have missed in multisport for November 2024.

"I average 20 to 24 hours weekly - not the 25 to 35 hours many pros do," said Matthews, who logged over 750 miles of racing in two hyper-competitive pro series'. She reveals how she did it.

Pro triathlete Laura Siddall recaps Ironman Cozumel and Challenge Florianópolis and shares her thoughts on the latest pros to retire.

Plus, race results from Challenge Canberra and the Laguna Phuket Triathlon.

Updated results, standings, expert insight, and everything you need to know about the 2024 Professional Triathletes Organisation’s T100 Tour.

Kilian Jornet, largely considered the greatest trail and ultrarunner of all time, has picked up cycling. What would happen if he added. Just. One. More. Sport.

The T100 triathlon tour saved the best for last. Here's everything you need to know about the T100 grand final in Dubai, from start lists to a link for the free livestream on Outside Watch.

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

Laura Siddall recaps a thrilling finale to a thrilling Supertri series in Neom and looks at why Ashleigh Gentle is the Queen of the Noosa Triathlon.

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.