Articles

By Dr. Luke Bucci, PhD

Dr. Bucci gets granular with the sugars and starches that make Liquid Shot the ultimate emergency fuel source when you’re at your absolute limit.

By First Endurance

Huge shoutout to Flavia Oliveira and Carter Anderson for crushing it at BWR Utah.From brutal climbs to fast, dusty descents, they stayed sharp and powered through the course with grit and precision.

By Dr. Luke Bucci, PhD

Maintaining immune health is difficult for endurance athletes year-round, but especially during racing season. Learn how a multivitamin can help.

By: Jennifer A. Kurtz, PhD, CSCS, CISSN, EP-C

The science of carb metabolism, risks of chronic high-sugar fueling, and how to adjust your intake based on training, carb type, and biomarkers. A must-read for endurance athletes.

With Karl Meltzer

With the most 100-mile wins in history, Karl shares insights on racing, directing, music, golf—and why keeping it chill might be the ultimate endurance strategy.

By First Endurance

First Endurance has partnered with Kelly Benefits Cycling to help develop the next generation of elite cyclists. KBS is a top U.S. development program known for producing results—and future leaders.

By Matt Denis

Meet Matt Denis, First Endurance’s new copywriter—and a competitive cyclist who knows the grind firsthand. He’s been channeling pro-level insights into our content all year, and now he’s turning the spotlight on himself in this Q&A.

By First Endurance

EFS-PRO is based on athlete feedback, surveys, and testing. The science is complex—but at its core, it’s all about one thing: carbs.

With Alex Howes

Former WorldTour pro Alex Howes shares how he’s training for the grueling 200-mile Unbound gravel race, drawing on years of elite road and dirt racing experience.

By First Endurance

The new EFS and EFS-PRO High Carb formulas are engineered to deliver more fuel and more electrolytes with less bellyache than their predecessors (and, incidentally, than any other hydration mixes). But why have a standard and a PRO?

With Cynisca Cycling

Named after a Spartan princess, Cynisca Cycling brings fierce ambition to the pro circuit—racing hard, promoting equality, and shaping the future of women’s cycling.

With  Robert Britton and Andrew “Lespy” L’Esperance

Rob & Andrew tackled the grueling 800km 2025 Absa Cape Epic together for the first time. Through heat, fatigue, and tough terrain, smart prep and teamwork carried them to the finish—bringing back hard-earned lessons and shared pride.