Ironman 70.3

The Ironman Pro Series heads to Wales for the first time - here’s who (and how) to watch the action on the free Ironman 70.3 Swansea livestream.

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).

“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.

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

Nearly 100 top triathlon pros will race 70.3 Aix-en-Provence on May 18 - see the start lists and race updates here, plus how to watch the free livestream on race day.

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 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.

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.

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.

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.

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.

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.

The penultimate race in the 2024 Ironman Pro Series is here! 2024's Ironman 70.3 Western Australia boasts the largest professional start list in the event’s 20-year history - here's who (and how) to watch.

Inaugural 70.3 Jones Beach winner Ross Baldwin shares the keys to racing this new course—everything from training to gear to pacing strategy—so you can have your best race-day experience in Long Island.

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.

Emma Pallant-Browne, Sarah True, Jackson Laundry, and more - it's an all-star lineup for 70.3 Chattanooga, the fifth race in the 2024 Ironman Pro Series! See the full start lists, plus how to watch the free livestream on Outside TV.

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 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.

This 70.3 training plan is designed for first-time half Ironman participants who want to do just enough training for a successful finish.

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.

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

“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.”

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.

Lionel Sanders, Jackson Laundry, and Tamara Jewett return for round 2 of back-to-back 70.3s this weekend. Here's how to watch the free Ironman 70.3 Augusta livestream this Sunday, September 24.

After taking DNFs at recent world championship races, Pieter Heemeryck and Lucy Hall will be looking for redemption at 70.3 Belgium. Stream the race live on Outside Watch this weekend - here's how.

Catch all the action on the Ironman 70.3 Maine livestream this Sunday, July 30.

Get smiling - Michelle Vesterby returns to the race course this weekend! Here's how to watch all the action on the 70.3 Elsinore livestream this Sunday, June 18.

Three countries, one epic race. Here's how to watch all the action on the 70.3 Luxembourg livestream this Sunday, June 18.

We look at the big tri picture after a huge weekend of seven major pro events.

Plus, Sebastian Kienle "loses it" during Challenge St. Polten.

Sam Long, Lionel Sanders, Jackson Laundry, and Tim O'Donnell are back at it this weekend. Here's how to watch all the action on the 70.3 Gulf Coast Livestream this Saturday, May 13.

Racing a 70.3 requires some nutritional planning.

Full schedule of 13 races, including the world championships, announced. Catch the full free 70.3 livestreams on Outside Watch.

Five-time Ironman 70.3 Champion Matt Hanson shares expert race recon on the Ironman Texas 70.3 course in Galveston—from gear to strategy to logistics.

Yes, some Ironman and 70.3 courses are simply faster (or slower) due to the course itself. But that's not the whole story. Take a deep dive into the data from 2021 Ironman and 70.3 races.

Australia's Sam Appleton and Mirinda Carfrae earned the victories at a shortened Ironman 70.3 Santa Rosa on Saturday in Northern California.

Ironman today announced the finalists for the 2020 Ironman 70.3 World Championship triathlon.

The 2018 Ironman 70.3 St. George saw more than 2,200 athletes representing 36 countries and 47 states start the race

Lionel Sanders and Paula Findlay earned the statement-making wins.

The 2018 Ironman 70.3 Oceanside triathlon saw more than 2,500 athletes representing 32 countries and 47 states start the race.

Germany's Anne Haug thrived as the dark horse in last Saturday's Ironman 70.3 Oceanside.

American Heather Jackson has been focused on strength training both in the weight room and with big-gear work on the bike.

We caught up with Jan at Ironman 70.3 Oceanside on April 7 where he set a course record (3:45:05!).

There were several exciting storylines in Galveston on Sunday.

We're so excited triathlon season is back that we're bringing you a second gallery of Saturday's pro race at Ironman 70.3 Oceanside.

Jan Frodeno and Anne Haug battled impressive professional fields to complete the German sweep and win the 2018 Ironman 70.3 Oceanside triathlon.

After a long winter, the North American triathlon season unofficially kicks off this weekend.

Just six months after the devastation of Hurricane Maria, the Puerto Rican triathlon community and race organizers pulled off the eighth annual 70.3.

Two-time Olympic gold medalist Alistair Brownlee (GBR) showed again that he's capable of excelling at the 70.3 distance.

Kevin Collington (USA) closed out his 2017 season with a win in Colombia.

Former Ironman 70.3 world champion Holly Lawrence and 23-year-old Kristian Blummenfelt surprised claimed the victories in Bahrain.

Switzerland’s Daniela Ryf claimed her third Ironman 70.3 world crown with a dominant performance.

On Sunday athletes competed against the backdrop of the sparkling lake, mountain meadows and glacier-covered peaks in the heart of Austria.

Ironman has revealed the 101 professional athletes who will toe the line in Chattanooga.

The United States' Kevin Collington and Great Britain's Leanda Cave claimed the victories at the inaugural Ironman 70.3 Costa Rica triathlon in Playa del Coco.

It’s been eight years since American Sarah True (née Groff) has dipped her toes in Ironman 70.3 racing, but the two-time Olympian will return to long-course at Ironman 70.3 Chattanooga this Sunday.

Australia's Sam Appleton and Great Britain's Holly Lawrence claimed the victories at today's inaugural Ironman 70.3 Santa Rosa in Northern California.

The 2017 Ironman 70.3 St. George triathlon welcomed more than 2,100 athletes, representing 31 countries and 43 states and ranging in age from 18 to 77 years old.

A shark sighting off the coast of Western Australia shut down the Ironman 70.3 Busselton swim over the weekend.

Hear what Alistair Brownlee had to say following his 70.3 St. George victory.

Recap an exciting day of racing from St. George.

Great Britain's Alistair Brownlee and Holly Lawrence were both impressive at Saturday's Ironman 70.3 North American Championships in St. George to take the victories.

The bikes are racked and the athletes are ready to race! Check out these pre-race images from photographer Paul Phillips.

Two-time Olympic gold medalist Alistair Brownlee gets his first real test at the half-iron distance this weekend.

A race car driver got DQ'ed for speeding—go figure!

Switzerland's Ronnie Schildknecht wasn't having the race he was hoping for on the bike, but he felt great once on the run.

With a few strong wins at the distance in 2016, Australia's Ellie Salthouse will continue to focus on the half-Ironman in 2017.

Reigning Ironman 70.3 world champion Holly Lawrence was excited to get back to racing in Oceanside after the long off-season.

Sanders dominated Saturday's Ironman 70.3 Oceanside, and says his biggest takeaway from the win is his stellar swim performance.

Great Britain's Holly Lawrence continued her success at the 70.3 distance, leading from nearly start to finish on Saturday.

Canada's Lionel Sanders continued a string of strong performances in 2017, defending his title at Saturday's Ironman 70.3 Oceanside race in Southern California.

Saturday's Ironman 70.3 Oceanside saw two professionals further establish themselves as the ones to beat over the 70.3 distance in 2017.

The unofficial kick-off to the 2017 season is tomorrow, April 1!

Frodeno on the decision to compete in So Cal, the approach for the first race of the year and the drive to earn a third-straight Kona title.

She sat out last year thanks to the birth of her son, Archie, in September, and is back to competing this weekend at the Ironman 70.3 Oceanside triathlon in Oceanside, Calif.

We're less than 24 hours away from the first 2017 70.3 in the United States—Ironman 70.3 Oceanside.

Athletes were treated to a hot, tough course and a fun party-like atmosphere.

Taylor Reid and Alicia Kaye won on a steamy day in San Juan.

Lionel Sanders and Barbara Riveros claimed the victories at the beautiful Ironman 70.3 Pucón.

Terenzo Bozzone made a decisive move on the bike, while Ellie Salthouse was out front from start to finish.

Ironman announced today that the Ironman 70.3 and Ironman Vineman races will shift in venue to Santa Rosa, Calif.

American Jesse Thomas used 70.3 Santa Cruz as a last chance to test the racing legs ahead of his first Kona attempt.