The Feed Insider

Legal peptides have entered endurance sports, promising enhanced recovery and bulletproof joints. What are legal peptides? What do they do for us? Here’s what the research says.

If you research ketone supplements, you’ll find that not all the beta-hydroxybutyrate (BHB, the actual ketone) is created equal.

If you’re like most endurance athletes, caffeine is probably a non-negotiable part of your training. Here's what you should know about caffeine and it's interesting alternatives.

David Roche is a beacon for hard work, self-belief, and pushing the boundaries of performance. From his debut 100mi course record surprise at Leadville to crushing that time a year later, here is how David transformed as an athlete.

You’ve probably seen magnesium on The Feed more times than you can count. It’s for good reasons – this mineral isn’t just another trendy supplement. It’s a legitimate game-changer for improving sleep quality and recovery for athletes who constantly push themselves.

We've teamed up with Runna to help you get the most out of your marathon training and have an enjoyable, competitive race day.

USA Paralympic Silver Medalist (Paris 2024), Mohamed Lahna, is in his final preparations as he goes for Gold for Team USA! Dive into this article to discover Mohamed’s tips for fueling to Sprint Distance Triathlon success.

The work is done. The miles are logged. The long runs are behind you, and the training cycle is complete. As runners love to say: The hay is in the barn. Here is your race day checklist for marathon morning.

The Marathon is a cruel and honest distance. From the hours of training to race-day execution, here are three mistakes you can avoid to ensure you have a successful race on the day.

Read on to learn why you get cramps at the worst times and the quick cramp relief that sounds too weird to work – but science backs it up.

Training for a marathon is never just about the miles – it's not that simple. Here are the five things that matter most when preparing for the most iconic distance in sport.

For endurance athletes constantly seeking that edge in performance and body composition, understanding how your body burns fat can be game-changing.

The marathon – a distance born in the battlefields of Greece, stretched by royalty, and perfected to break the human body. Yet millions chase it anyway, and that might be the most beautiful part. This is the story behind our favorite endurance challenge.

The time has come for a new champion to wear the jersey: the 2025 Gravel National Championship. Pete Stetina details his experience returning to USAC racing, including the unique course demands, the challenges of race organization, and what he fueled with as he went all in for the coveted Stars and Stripes.

'Tis the season, the fall Marathon season that is. As autumn approaches, so do some of the most iconic running events in the world. In lieu of such, we are featuring a short series of blogs from the most dominant fuel in marathons: Maurten.

"We said it would go sideways. We weren’t wrong." This is what happened when Colleen MacDonald's nutrition plan met 19,000+ feet on August 15th-16th, 2025.

I get the same five questions over and over from athletes. So, I figured, let’s tackle them all at once. Here’s what everyone wants to know.

Coming off a disappointing performance at the Western States, David wasn't particularly excited about setting a bold new goal. His coach (and wife) Megan, well, she had other plans. Here are the lessons David learned from another course record and breakthrough race at Leadville 100.

From faster recovery to reduced muscle soreness, BCAAs have proven their place in athletes’ supplement strategy. We’ll explain why.

Not all carbs are created equal. Here’s what you need to know about the different types fueling today’s elite athletes.

The altitude training revolution isn’t coming – it’s here, and it can be in your bedroom.

How broccoli sprouts became the secret weapon of elite athletes.

Most probiotics die before reaching your intestines. Here’s what the science says about which ones survive – and why it matters.

Elite athletes have known the secret for decades: train high, compete low. Altitude’s impact on sleep and recovery might be the ultimate performance hack – if you can survive the initial sleep disruption that feels like sabotage.