ultrarunning

Can ultrarunning make you a happier, better, more durable triathlete? Learn from two pro triathletes who’ve worked ultras into their training - and how you can, too.

Kilian Jornet, largely considered the greatest trail and ultrarunner of all time, has picked up cycling. What would happen if he added. Just. One. More. Sport.

How do you prepare for a record-breaking six-day run? If you're Matthieu Bonne, you clock a record-breaking continuous swim followed by a record-breaking seven-day bike.

With the Ultra Trail du Mont-Blanc (UTMB) events on the horizon - the Super Bowl of ultraunnning - we look at eight notable elite-level triathletes who made the switch to ultra.

Got UTMB fever? We do, too. From training to gear, we’re here to help you get started in your journey from triathlon to ultrarunning.

Ready to go beyond the marathon? Check out this introductory guide to ultrarunning and a beginner’s training plan for tackling a 50K.

Need an off-season goal? Go long (really long).

With more and more people signing up for ultramarathons—are you starting to get the itch too?

Runners who have the mental prowess and interest in going longer than 26.2 miles are definitely a special breed. Could you be one of them?