In the last few years, double threshold days have become a major talking point in endurance sport especially after the rise of Norwegian athletes dominating triathlon and middle-distance running. Two sessions in one day, both at controlled medium-to-high intensity (usually around 2.0 to 3.5 mmol/L lactate). The idea is simple: by splitting the same work into two manageable sessions, athletes can accumulate more high-quality intensity across a week without destroying themselve

Every now and then a study drops that makes people rethink what they think they know about training. I came across this one about a week ago and found it super interesting This one’s a perfect example. A massive “big data” study looked at 120,000 runners and 150,000 marathons using STRAVA data. Basically, they analyzed what people were actually doing in training leading into their races not what they said they were doing. The results? They found that faster marathoners d

Personalizing race fueling without a lab (and without wrecking your gut) The gold standard to find your peak exogenous glucose oxidation...

For trained amateurs, Fatmax ≈ ~60–70% of FTP or ~65–75% HRmax , typically landing near ~72% HRmax and below VT1 . That tracks with a...

When most triathletes think about heat training, the image that comes to mind is riding indoors with extra layers, sweating buckets, and...

This is a topic that I have found extreamly interested in this past year as I think when most triathletes think about hydration, they...

If you’re an age-group triathlete, you’ve probably noticed how much harder it feels to hit your numbers in the heat. Research shows that...

2024 Gulf Coast 70.3 In recent years, Zone 2 training has become the hot buzzword in endurance sport. Scroll through YouTube or...

In the world of endurance training, long intervals like 4x5 minutes at VO₂max pace have long been the go-to method for improving...

The final 14 days before an Ironman are not about building fitness. Any training you do at this point will not make you stronger, but it...

In endurance sports, there’s a deeply ingrained belief that more training equals better results. Many age group athletes look at...

Aero Testing - Ero Sport, OC California If you're into endurance training, knowing key physiological markers can really boost your...

In IRONMAN triathlon, consistency and timing are everything . The temptation to stay at peak fitness year-round or race your absolute...

As a triathlete passionate about my Ironman journey, I've discovered that finding the right balance between indoor and outdoor workouts...

As a triathletes, pushing your body to its limits is part of the sport. Especially at the elite level. But to stay consistent and reach...

In the world of triathlon, performance is often compared to crafting a sword. There are two essential phases: forging and sharpening ....

Since being in the sport, not only knowing what works for myself, but also my athletes. I’ve seen people debate over whether it’s better...

Mileage holds significant importance in running performance, although its relevance varies depending on individual goals and...

I want to begin this post by throwing out there. I am not a sports nutritionist, just someone who loves the science behind training and...

You might have heard periodized training; this typically pertains to the organization of your training regimen, breaking it down into...