How Fast Were the Finishers At the 2024 Valencia Marathon?

The Valencia Marathon has a reputation for being fast. Still, I was a surprised when I saw a headline that there were over 5,000 runners finishing sub-3:00 at this year’s race. Just how fast was this year’s Valencia Marathon? Most of my data analysis has focused on American marathons, plus the Abbott World Majors. Although … Read more

Do You Need All Those Gels? How Many Carbs Does It Actually Take to Run a Marathon

An old style fuel gauge in a car, marked at around half way

Gels (and carbs) are all the rage these days. And for good reason. Taking fuel during a marathon is helpful. There’s plenty of scholarly and anecdotal evidence for that. But sometimes – maybe often – I find that people are hyper focused on fueling strategies and gels, and as a result when they diagnose problems … Read more