No, You Don’t Wear Underwear Under Your Tri Kit
And here’s why.
And here’s why.
Kristian Blummenfelt won Ironman Texas entirely self-coached. Triathlon coach Matt Fitzgerald explains how to build a training routine while pushing yourself to new heights.
For days when a gym session is off the table, a collection of at-home strength training gear can give you a full-body workout with zero wait time
With years (and years) of gear testing under his belt, editor-in-chief Chris Foster reveals the 10 best (on-sale) running gifts for Father’s Day 2025.
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.
The Ironman Pro Series goes Down Under - check out the start lists and race updates for Ironman Cairns here, plus how to watch the free livestream on race day.
New data explores the complex links between your apps, mental fatigue, and athletic performance.
How much benefit could you get from an intensive week of swimming and relaxing in a far-flung destination?
We learned how much you’re (really) training, your favorite distances, and more in our massive community survey. Snoop on your fellow triathletes inside.
Though it’s considered a major upgrade from the previous model, the Garmin Forerunner 970 seems to have only minor changes but a big jump in price. We dig into what’s new (and what’s not, really).
Your watch can provide much more insight than just splits, distance and pace.
"If all it took to improve race times was dropping weight, triathletes would just lean into the lettuce in the weeks before a competition and get prepared for the podium. There’s more to it than that."
These best 10 active stretches from physical therapist Gerard Hartmann are the essentials every runner needs to keep healthy and efficient.
"I hope it shows other blind or disabled people that what seems impossible might just be within reach.”
Laura Siddall breaks down an exciting weekend of racing, including T100, Ironman, and the World Triathlon Championship Series.
We get a detailed glimpse at the interesting (and freshly delivered) Pinarello Bolide TR that last year's Singapore T100 winner Youri Keulen will ride at the 2025 San Fransisco T100 this weekend.
We take a look at the Scott Plasma RC that last year's 70.3 Ironman World Championship podium finisher Ashleigh Gentle will ride at the 2025 San Fransisco T100 tomorrow.
Find out what our editors are using and loving as triathlon training season ramps up.
It's a lot simpler than you expect.
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.
From buffets on the bike to panic training, avoid these very dumb things.
No one likes to see a low battery warning before they head on on their next training session. Here's what you need to know about your triathlon smartwatch battery life.
Ironman Hamburg is the professional women's-only European Championship. See how the competition stacks up from Trirating.com expert Thorsten Radde.
Last year's edition of the San Fransisco T100 ended up being one of the most exciting races of the season. Thorsten Radde explains why the 2025 version promises similar competitive matchups.
If chasing finish times leaves you anxious, you’re not alone. A triathlon coach explains how shifting to intrinsic goals - like enjoying the process and staying mentally strong - can transform your race-day experience.
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.
It's your final day of the three-day weekend to log extra training miles and score big savings on triathlon gear with these Memorial Day deals.
A showdown of women’s world champions, Sanders and Long go head-to-head, and more thrilling storylines await at 70.3 Eagleman on June 8.
“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.
While the battery life is far from ideal, the full integration with Apple products makes the Apple Watch Series 10 highly convenient for everyday life. Here's how the smartwatch stacks up for triathletes.
The Polar Vantage M3 offers triathletes a deep dive into their data. But it takes time to find that data and get the watch set up just how you like it.
Harnessing the power of your metabolism could put you on the fast track to improved performance.
While you’ve probably heard it’s all about hydration and electrolytes, there’s more you can do to prevent cramping during and after biking.
Put down the open-water triathlon swim workout and try wild swimming instead - it could transform the way you train and recover.
A 138-mile event with a grueling 21,000 feet of overall elevation gain had never seen a female finisher. Nikola Čorbová was the 2025 overall winner, breaking the tape ahead of all male competitors.
You've got excitement, you've got nerves—should you use that energy to squeeze in one last training session? A triathlon coach describes exactly what you should (and shouldn't) do.
Rain was a factor in most races this weekend, with one race favorite wiping out on the bike.
Because sometimes motivation comes only after you begin to move.
The Ironman Pro Series continues with a women's-only, full-distance race in Hamburg - see the pro start lists and race updates here, plus how to watch the free livestream on race day.
Now through May 26 is REI’s massive annual anniversary sale. We combed through thousands of products to find the deals that triathletes shouldn’t miss.
The distances may be the same, but the fueling strategies are not. When making a foray into off-road or gravel triathlon, use this guide from sports nutrition expert Susan Kitchen to adapt your standard triathlon nutrition plan for rugged conditions.
At your first triathlon, you’re going to feel everything (and we do mean everything). Instead of letting it overwhelm you, get curious.
Quite possibly. Avoid unnecessary spewage (and worse) thanks to our own DIY testing, some expert insight, and our safety and cleaning primer.
Don't let the excitement of race week distract you from taking time to familiarize yourself with race details in the athlete guide.
The race is on but the water is freezing. A complete guide to coping, and maybe even thriving, in a cold-water triathlon.
Laura Siddall breaks down a big weekend of international racing that saw age-grouper Latifah Lowery make history as the first African American woman to win an Ironman 70.3 race, the Canadian invasion in St. George, a Project Podium breakthrough, and more.
For his 39th birthday, tri newbie Adam Jones fundraised to pay off school lunch debt in his hometown of Peabody, Kansas.
An ACE-certified trainer shares exercises to keep your muscles moving on the days you're not doing (or don't feel like doing) a high-intensity workout
These 12 innovative running shoes will keep you stable without sacrificing comfort or holding you back
After nearly 15 years of brutal climbs, scorching heat, beastly winds, and unforgettable finishes, the Ironman era in St. George, Utah is ending.
Fitting triathlon training into life as a new mom can be challenging. Here’s some been-there-done-that advice and the gear that makes it easier.
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.
“It’s hard to explain the opportunity cost of chasing this dream. You’re not building a resume. You’re not gaining work experience. You hit 30 and try to enter the job market, and you’ll be competing with 24-year-olds."
Endurance athletes have a bounty of choices when it comes to gels, but formulas and flavors vary greatly. We sucked back dozens to find the ones that can help you stay ahead of the pack.
"People showed up for triathlons based on their high level of physical fitness. They were not training in the three sports; they were strong athletes who showed up to have fun!”
After a 15-year run, the final Ironman 70.3 St. George is set for this weekend, and it's going out with a bang: Sam Long vs. Magnus Ditlev vs. Lionel Sanders; and Paula Findlay vs. Chelsea Sodaro vs. Jackie Hering. Thorsten Radde breaks down the pro field odds.
New names stood atop the podiums at Ironman 70.3 Venice-Jesolo and Ironman 70.3 Port Macquarie while fan favorites brought home the win at XTERRA Weston Park.
Mother's Day is around the corner, and we've got the gifts that will make any active mom happy.
A VR game that actually makes a triathlete strength train, truly breathable socks worth their $25 price tag, and other gear our editors loved this month.
Athletes share their thoughts on the 2026 one-day Ironman World Championship format in Kona.
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 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.
Will Paula Findlay and Sam Long defend their titles? Here's how (and whom) to follow at the latest Ironman Pro Series race at 70.3 St. George.
“My goal is to make it clear that you can be an average Joe and still take on those big races.”
Ironman Texas was a great day for sport complete with new records and rivalry on the women's side alongside an impressive marathon from Kristian Blummenfelt. Insider pro triathlete Laura Siddall Breaks down the weekend's biggest races.
This is the rivalry triathlon has been waiting for.
Hip flexors creaky and tight? These yoga poses can help you find relief.
Hint: There isn't really an Ironman world record. But there are some fastest-known Ironman (and iron-distance) times.
The Ironman Pro Series continues with a full-distance race in The Woodlands - see the (Ironman) Texas-sized pro start lists and race updates here, plus how to watch the free livestream on race day.
Just four days before kicking off her 2025 season, Chelsea Sodaro announced her new bike sponsor. Here's a look at her new Ventum Tempus, shot on location, just before Ironman Texas.
Get a close-up look at the bike Canadian Tamara Jewett will be riding In her debut full-distance race at Ironman Texas
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.
Have former running-shoe developers from Nike, Brooks, and New Balance created the perfect daily trainer for triathletes? We put the Mount to Coast R1 to the test.
Only train on Fridays, Saturdays, and Sundays? You might be closer to triathlon-ready than you think.
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.
Physical therapist (and former professional triathlete) Jennie Hansen looks at injury rates for triathlon compared to other sports, including pickleball, football, basketball, and Crossfit.
The 2025 Ironman Texas professional triathlete start list includes several past winners and a veritable who's who of competition looking to score a world championship slot and Ironman Pro Series points.
While large-scale policies are crucial for significant environmental change, individual efforts within the triathlon community can also make a difference.
Is your upper back stiff and sore from a weekend of swim-bike-run adventures? These stretches will bring sweet relief.
Registered dietitians share the benefits of making protein stock your go-to recovery beverage
Another study touts the benefits of heart rate variability training - here’s what it says.
"I’ve gone back to my pretty old-school training methods from early on in my career,” Sanders tells Triathlete about his 2025 campaign for a 70.3 World Championship after Oceanside win.
Caffeine isn’t the only thing that can help you train and race better. Take your latte to the next level with these athlete-tested ingredients.
From establishing training zones to making sure you don’t overdo it, heart rate monitors are a triathlete’s best friend. We tested and reviewed offerings from Wahoo, Garmin, Polar, Whoop and more to find the best heart rate monitors for triathletes
Orca refines six iconic wetsuits with subtle yet powerful updates to further enhance your swim
We sent "a cynical journalist who swims like a wise guy in cement shoes from a mafia movie" to test TriDot Pool School. Did his speed improve to the astounding degrees promised?
Triathletes might be more exposed to microplastics than the average individual, but you can take steps to minimize your intake.
Expert-approved ways to warm up your ankles calves ahead of your next workout
Are your sets dragging on (and on, and onnnn)? Beat boredom with these three fun swim workouts (including one with a hot tub warm-up).
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.