Ironman 70.3

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.

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.

Austria's Michael Weiss claimed the Ironman 70.3 Santa Cruz victory on Sunday.

Can anyone stop the Swiss star? We preview the women's professional race at this Sunday's Ironman 70.3 World Championship.

Do these predictor sets in training to determine the ideal pacing strategy for your next 70.3.

Severe weather forced the cancellation of the swim, modified bike-run course.

Several top pros will compete at Ironman 70.3 Racine this Sunday, July 17, for a chance to earn a share of the $50,000 prize purse.

This Sunday, more than 2,500 athletes will compete in a 1.2-mile swim, 56-mile bike and 13.1-mile run through Sonoma’s beautiful wine country.

Top performing female age-group athletes in Ironman 70.3 Age Group Rankings will be offered bonus spots to the Chattanooga race.

Both 2015 Ironman Coeur d'Alene champions Potts and Jackson chose to return to the Idaho vacation town to compete for the half-iron titles.

Canada's Lionel Sanders and Great Britain's Holly Lawrence continue to build on successful 2016 seasons.

Ironman announced today the addition of a new licensed race in Central America with Ironman 70.3 Costa Rica.

With the area's strong multisport roots and the beautiful course, the event is always a favorite.

Strong showings on a hot day in Cambridge, Md.

Joe Gambles captured his fifth victory in Boulder in the men’s pro race, while up-and-coming 70.3 star Ellie Salthouse fought hard for the top podium spot.

Joe Gambles captured his fifth victory in Boulder, while Ellie Salthouse fought hard for the top podium step.

Americans Matt Russell and Lauren Barnett earned the 70.3 victories on a muggy day in Raleigh, N.C.

This Sunday American Meredith Kessler will look to defend her Ironman 70.3 Raleigh title.

Age groupers competed for 30 spots at the 2016 Ironman 70.3 World Championship in Sunshine Coast, Queensland, Australia.

Two Canadians topped the podium at the 70.3 North American Championship.

Two Canadians best managed the tough conditions—and the deep competitive field—to take their spots at the top of the podium.

Whether you're racing Ironman 70.3 St. George or not, don't miss Trevor Wurtele's practical (and at times hilarious) guide to the event.

Although St. George features one of the most challenging courses in the U.S., the day before the race is quite relaxed.

A small town in southern Utah will be the hottest spot in multisport this Saturday.

A small town in southern Utah will be the hottest spot in multisport this weekend.

In the days leading up to 70.3 St. George, McMahon chats about his storied history, race strategy and how he keeps things fresh year after year.

After a difficult 2015, fan favorite Linsey Corbin will compete in her fourth race of the year this weekend in St. George.

Fresh off a win at Ironman South Africa, American Ben Hoffman jumps right into his favorite race.

The defending North American 70.3 champion chats about her progression as an athlete and the target on her back at this weekend’s race.

Nice (France), Budapest (Hungary) and Port Elizabeth, Nelson Mandela Bay (South Africa) are the three finalists.

Andrew Starykowicz (USA) claimed his first win in two years, while Sarah Piampiano (USA) successfully defended under blustery conditions.

Defending champions Andy Potts (USA) and Sarah Piampiano (USA) will return to New Orleans this weekend to try to reclaim their titles.