70.3

We look at the bikes ridden by the five fastest cyclists in both the women's and men's pro races at the 2025 70.3 World Championship in Marbella, Spain.

Asics shoes continue their strong podium showing, with On Cloudboom Strike dominating the men’s podium, and weight is still a top priority.

On TUEs, two-way battles, $70K injuries, and rule-enforcement concerns.

Jelle Geens ran shoulder-to-shoulder to the finish line with Kristian Blummenfelt, ultimately edging him out to take the win.

Following a DNF in Kona just four weeks prior, Lucy Charles Barclay showed top form to win the 2025 70.3 World Championship, edging out three-time winner Taylor Knibb, who took second place.

There was no shortage of raw, late-season honesty in Marbella, Spain, from the pros in the mix at the 2025 70.3 Ironman World Championship.

Low participation rates plague Omani Ironman races, compared to other multisport efforts in the Middle East. Can they turn it around before hosting the 70.3 World Championship in 2029?

From late bloomers to friendships forged in competition, the qualifying journeys of age-groupers competing at this weekend’s 70.3 Worlds represent the best of triathlon.

From pizza to Nutella, these are the go-to foods pro triathletes will reach for ahead of this year’s Ironman 70.3 World Championship.

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.

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 Pro Series goes to Austria August 31 - check out the start lists and race updates for Ironman 70.3 Zell am See-Kaprun 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.

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.

The 2025 pro triathlon race schedule promises more exciting competitions and matchups. Here’s when and how to watch the best in our sport.

Looking for a shiny new PR (or a world championship slot)? We’ve crunched the data to find the fastest and slowest 70.3 races held in 2024.

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 70.3 - or half-iron triathlon - is one of the most popular distances in multisport. We cut through the numbers and pull out some of the best in the U.S.

Pro triathlete Laura Siddall gives a detailed look at the Pro Series “race within the race” at last weekend’s women’s Ironman World Championship in Nice.

Estonia is the next stop on the Ironman Pro Series - check out the start lists and race updates for Ironman 70.3 Tallinn here, plus how to watch the free livestream on race day.

2023 Ironman 70.3 Cozumel champ and pro triathlete Hannah Berry shares insider details on this tropical race—everything from race prep to gear to strategy—so you can have your best race-day experience in Quintana Roo, Mexico.

Build off your short-course speed by using this challenging six-week program to step up from Olympic-distance triathlon to 70.3 racing.

Joscar Duque's up-and-coming triathlon career was put on pause by a humanitarian crisis in Venezuela. Now, he's rebuilding his life - and love for the sport - in the United States.

Can’t seem to finish strong in a 70.3 triathlon? This six-week run-focused plan will change that.

Flirting with the six-hour half-Ironman mark? Here's your plan for hitting your target and finishing healthy and strong.

France is the next stop on the Ironman Pro Series - check out the start lists and race updates for Ironman 70.3 Les Sables D'Olonne here, plus how to watch the free livestream on race day.

Another Ironman Pro Series event with big names up front promises to shake up the overall standings. Trirating expert Thorsten Radde previews the top contenders and wild cards.

The Ironman Pro Series travels to Canada this weekend - check out the start lists and race updates for Ironman 70.3 Mont-Tremblant here, plus how to watch the free livestream on race day.

Ironman legend Mark Allen shares his two-week taper plan for the full- and half-iron distances, along with expert tips on how to taper right.

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.

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.

From missing packet pickup to mid-race tech troubles and getting lost on the course, coach Alison Freeman provides a roadmap to get you through the worst-case scenarios of race day.

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.

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

Long-course triathlon is hard, but breaking any of these basic (race-killing) commandments is easy. Coach Julie Dunkle lays out the essential rules to follow if you want to have a fun, successful race for your first 70.3 triathlon.

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.

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.

70.3s boomed from 74 races last year to 122 this year. Did any of the new races make it into the top fastest or top slowest of the 70.3 landscape? Let's dive into the data.

Patrick Lange, Nikki Bartlett, Cam Wurf, and more - watch the free livestream for Ironman Portugal this Saturday, October 21.

A Colorado classic you won't want to miss - watch the free livestream for Ironman 70.3 Boulder this Saturday, June 10.

Can Jackie Hering defend her title in Tennessee? Not if Paula Findlay, Skye Moench, or Rach McBride have anything to say about it. Watch it all play out on the free livestream for 70.3 Chattanooga this Sunday, May 21.

Racing a 70.3 requires some nutritional planning.

Can you do a 70.3 as your first triathlon? Yes. But should you? Coach Alison Freeman dives into what you need to know about going all-in on the half distance for your first race.

More than 100,000 triathletes made it down the chute at Ironman 70.3 races in 2022. Which races were the fastest and slowest? Data scientist Alfredo Molina dives in for an analysis of finishing times.

Finishing a 70.3 is well within your reach. We’ve got all the tips, gear lists, and training plans to get you on your way.

Our first-ever online education course will guide you through ten weeks of training for your best 70.3.

Feeling unsure about your fitness as your 70.3 quickly approaches? This workout will help you gauge your readiness.