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Ashley Horner Is Setting Out to Complete 50 Ironmans In 50 Days

And, surprisingly, she’s not even that nervous.

Meet the First Woman to Complete Six Ironmans On Six Continents In One Year

The military journalist did most of her training in Afghanistan.

What It's Like to Train for a Triathlon In Puerto Rico In the Aftermath of Hurricane Maria

When the storm hit Puerto Rico, Carla Coira continued her triathlon training, but indoors.

America Ferrera Shares How Triathlon Training Boosted Her Self-Confidence

The actress and activist shares why training for her first triathlon was so damn empowering.

I Signed Up for an Ironman Before Finishing a Single Triathlon

"Now, I can say that all my goals (even the scariest ones) are within my reach."

This Woman Just Set an American Record for Finishing a 10-Ironman Triathlon

You thought ONE Ironman was hard? Try doing 10 IN A ROW.

How a Running Injury Helped Me Become a Better Athlete

Proof that change starts outside your comfort zone.

Karla Souza of "How to Get Away with Murder" Dishes About Training for Her First Triathlon

Karla Souza shows off her serious athleticism as part of a relay team with her castmates.

How I Went from Overweight New Mom to Ironwoman

I couldn't run, didn't bike, and was terrified of swimming—so I registered for an Ironman.

How Sucking at a Sport Made Me a Better Athlete

When drowning is a distinct possibility, even the most independent athletes need to ask for help.

12 Triathlon Training Tips Every Beginner Triathlete Needs to Know

Experts share their tips to help you conquer your first triathlon with confidence.

The Best Alternative Workout for Every Type of Athlete

Get faster, stronger and fitter with the best cross-training for your sport.

What Motivates Ironman Champ Mirinda Carfrae to Win

We chatted with Ironman's fastest runner about ice cream, David Guetta, and why she wants to see more women competing in triathlons.

This Triathlon and Endurance Sport Venue Is the Fit Destination of Your Dreams

This endurance sport venue is the training grounds of your dreams. Add it to your fitness bucket list now!

The 6 Most Inspirational Women in the Ironman World Championship

The performances in Kona, HI, this weekend will be epic—but some of our favorite stories are those of women who have overcome blindness, family tragedies, cancer, and more.

5 Questions to Ask Before Buying a Bike

How to be sure you're getting the right ride for you!

Multiple Sclerosis Can’t Slow Her Down!

If this mother of four can conquer a triathlon while living with MS, so can you!

Conquer an Ironman with These Tips from Top Athletes

A husband and wife couple who’ve both won individually share their top 5 tips for any endurance race.

All You Need to Swim Confidently in the Ocean

Transition from the pool to open water with these triathlete-tested tips.

The Most Intense Race I've Ever Signed Up For

Shape fitness editor Laurel Leicht is about to find out! Follow her blog as she preps for the biggest race of her life and shares the ups, downs, and tips for training.

Your 12-Week Sprint Triathlon Training Schedule

If you can swim, bike, and run, cross this popular bucket-list item off your “one day I’ll...” roster this summer with this plan.

12-Week Olympic Triathlon Training Plan for Beginners

Everything you need to swim, ride, and stride to the finish line of your first triathlon is right here!