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Your tires actually play a surprising role in how fast you ride, and what you think you know about rolling resistance is probably wrong.

In a no-holds-barred interview with Triathlete, Weiss talks about racing over 80 times (including eight Ironman World Championship starts) since his suspension, his recent winning streak, and even doles out advice to other pros by name.

It’s only a few weeks until the biggest triathlon of your season, and you don’t think you’re ready. Resist the urge to last-minute “panic train,” and follow our five rules.

The fall flavor can come with you on long runs, hikes, and cycling trips

Inspired by Chris Nikic and Sam Holness, 18-year-old Adrienne Bunn is heading to Kona to become the first known woman with autism to complete the Ironman World Championship with the help of a newfound community.

Pro triathlon analyst Thorsten Radde breaks down the latest PTO rankings, from those who worked their way into the upper echelons to those who were surprisingly far back and who stepped it up late in the season.

Supershoes are shedding weight, but whether that helps or hurts regular runners’ performance is still up in the air

The only American Olympic gold medalist began her 2024 Olympic comeback unranked, with no World Triathlon points, and an auspicious first few results. Where does she stand now?

AI is touted by some as the great future and by others as the end of civilization, but what does it mean for tri gear? We let ChatGPT set up our newbie writer and asked our resident Gear Guru to critique its picks.

Understanding what lactate threshold is—and how to find yours—is an important part of training and performance.

A short-course focused weekend was full of big waves (and big drama) at Super League Malibu and World Triathlon Cup Tangier.

These yoga tricks can help you maintain good form and presence of mind through your hardest training runs.

Discover the five most heartwarming finishes in the history of the Ironman World Championship and the incredible stories that drove them.

A zero-sugar electrolyte powder, a smartwatch that lights up the night, and a candle that...smells like an Ironman? These are a few of the things our editors used and loved this month.

Get caught up on the most-read and most-discussed stories of September 2023 in our Big Monthly Digest of triathlon news.

A new swim workout from Triathlete contributor and swimming all-star Sara McLarty.

If your "awful triathlon season" involved being the first (and only) male to qualify for the 2024 U.S. Olympic team, please rise. We talk to the only man standing about why a very bad 2023 season could actually be a very good thing.

Dr. Philip Skiba looks at who benefits from typical strength training (new triathletes) and who needs plyometrics/explosive movements (everyone else). The reasons are surprising.

In an adaptation from his new book, ‘Master of Change: How to Excel When Everything is Changing—Including You,’ Outside contributor Brad Stulberg outlines a path for longevity and persistence in sport

Forget what you learned from "Baywatch" - lifeguarding, specifically lifeguarding a triathlon, involves a complex series of decisions to keep athletes safe in a crowded, chaotic open-water swim where lives are literally on the line.

Sports scientists weigh in on the trends that will keep the PRs coming

We look at one major (WatchOS 10) and one minor (Apple Watch Ultra 2) update to the Apple wrist-top lineup and see where both land against the endurance sports smartwatch competition.

A stronger core means a stronger swim, bike, and run. Here are the best core exercises for triathletes looking to get fitter and faster.

Unpredictable racing at the World Triathlon Championship Series final, the XTERRA World Championship, and 70.3 Augusta.

Don't swim, bike, and slog - feel strong all the way to the finish line with our comprehensive guide to strengthen your triathlon-specific run.

When it comes to stretching out after a big weekend of training or racing, sometimes the best routine is the least complicated one.

Knowing when to wear just a tri suit, a speedsuit, or a wetsuit could mean the difference between a great swim and a great disaster.

We put miles on one of the most unique, customizable bike seats in the triathlon world. Read our review of the highly customizable BiSaddle.

With women's NCAA championship in the near future and a thriving ongoing collegiate club scene, we look at ten of the top schools for triathlon.

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.

"There was a huge contingent, mostly in Europe, which believed the Ironman was the holy grail. I led the charge that from a practical perspective...that the Ironman triathlon [had] zero chance of making it onto the Olympic program."

World champions will be crowned this weekend - and it's going to be a straight battle of the top short-course athletes in the sport. We preview the men's and women's contenders for the WTCS Final in Pontevedra.

It's the classic long-ride argument—we break down the road v. triathlon cycling discussion.

We look at six bike positions from six of the fastest triathletes in the world—Jan Frodeno, Lionel Sanders, Lucy Charles-Barclay, Taylor Knibb, and more—to understand why pros often have such different setups.

After one of the most competitive seasons of off-road racing in history, the XTERRA World Cup series now comes down to the wire in Molveno, Italy. We preview the course and contenders for the men's and women's races at this weekend's 2023 XTERRA World Championship.

While plant-based meats may sound like a no-brainer for your health, athletes need to read the fine print.

Race morning can be a stressful time for even the toughest athletes. A routine can help bring calm to the chaos.

The 2023 championship season is going strong, but some pros are already looking ahead to 2024. Travis Mundell recaps a weekend of Ironman, 70.3, and Challenge racing around the globe.

The dethroned Ironman champion opens up about the worst year of his life and career.

The "Norwegian Training Method” has become a fascination amongst triathletes, but with its reliance on near-constant blood lactate testing, it can be dauntingly impractical. We look at how everyday triathletes can try it without a blood lactate meter or 35-hour training weeks.

The top nonprofits win a customized Land Rover Defender 130 and a pile of cash. Cast your vote starting on September 15 to help choose this year’s winners.

British triathlete Lydia Dant found an unlikely calling in pro triathlon and is leveraging her meteoric rise to help support up-and-coming female triathletes.

Pre-race discussion and transparency around centerline penalties at the men’s Ironman World Championship in Nice was a good start, but with so much on the line for pros, there’s more to be done.

This set from coach Sara McLarty will get you acquainted with the three keys of a solid triathlon swim: sprint, smooth, and strong.

Coach Cory Leslie fosters a new team of distance runners at the Under Armour headquarters

Under Armour Coach Lara Rogers shows how women can excel in the pro ranks

A smart trainer that mimics real-world cycling is the holy grail of indoor training. Does the new Wahoo Kickr Move smart trainer pull it off? We took it for a spin.

Dr. Jeffrey Sankoff explains why your body overheats during a race - and gives a list of surprising top tips.

We talk to the fastest American in Nice at IMWC last weekend to learn about his training this season, his French background, and get six of his top tips on how to descend like a pro.

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.

Remember reading about "a young pro who ran four miles uphill without shoes on the bike leg to finish?" That was a then-unknown Sam Laidlow. Read about the viral 2018 race that set the stage for his world championship win five years later.

We take a look at the bikes ridden by the ten fastest cyclists in the men's pro race at the 2023 Ironman World Championships in Nice, France.

Though best known for their aquatic-focused products, TYR has grown legs and wandered on land with two new running shoes—the results are not what you’d expect.

We look at the shoes worn by the top 10 finishers at this year’s men’s Ironman World Championship in Nice, France.

Nice wasn't so nice to everyone who raced last weekend.

Some could say the excitement was gone from this year’s men’s pro race, but don’t blame the course—blame how damn good the men are now.

Ten non-plated running shoes that let your feet move freely, provide stable cushioning, and deliver a fast, agile ride

In the first-ever Ironman World Championship held outside of the United States, 24-year-old Frenchman Sam Laidlow took the win on home soil, clocking an 8:06:22 in Nice, France to take his first world title and became the first French athlete to wear the crown.

Goggles are goggles, right? Nope. Our guide on what to look for in the best pair of triathlon swim goggles for you.

Feast upon the data and analysis behind the frames, components, aerobars, wheels, and more in the men's 2023 Ironman World Championship bike count.

We found gear ranging from the obscenely expensive new $24,000 BMC to a new pair of budget wheels from DT Swiss—and much more in between.

"It's bittersweet...but it's also kind of a relief. I don't have to do another one. There's a lot of mental pressure and stress on it to just come and do it again. And if it were going to be held like the first one - no big deal, just a bunch of guys getting together - I’d do it, no problem."

We've compiled an updated list of starters and race numbers for the 2023 Ironman World Championship men's race, with insight and analysis on how the race is shaping up, and some stats about the pro field.

"I think it a brings an element of fun and adrenaline that's not common in Ironman racing, per se. It's a course that probably wouldn't have passed health and safety standards in America simply because the turns are a little bit steep." - Jan Frodeno on the Ironman World Championship course in Nice

These athletes have all won the coveted Ironman World Championship title in the men's race—some of them more than once—but what are they doing now?

Performance nutrition coach Scott Tindal weighs the pros and cons of hyperhydration (also known as “water loading”) before a race or big training day.

2,000+ age-groupers, 43 pros, 17 hours, and 1 epic challenge - we've got all the numbers behind this weekend's 2023 men's Ironman World Championship event in Nice, France.

An all-new Ironman World Championship course in Nice, France means all-new race dynamics. How will it play out in the men's race this weekend? Thorsten Radde looks into his crystal ball.

Walking during an Ironman marathon is a surprisingly sound strategy, but if you want to do it right there's a catch.

A data scientist digs into the 2023 Ironman World Championship men's age-group qualification numbers and finds the surprising answer.

Our up-to-date breakdown of the top contenders for the podium at this year’s Ironman World Championships men’s event in Nice.