Caffeine Timing for Endurance Races: When and How Much to Take
Exact caffeine timing and mg/kg targets for marathons, 70.3s, and ultras, plus how to use coffee, gels, and gum without wrecking your gut or sleep on race day.
Practical guides grounded in sports science. No fluff, no filler — just the numbers and strategies you need on race day.
Exact caffeine timing and mg/kg targets for marathons, 70.3s, and ultras, plus how to use coffee, gels, and gum without wrecking your gut or sleep on race day.
Stomach issues during races usually come from pacing, heat, drink concentration, or poor gut training. Here's how to spot the cause and fix it properly.
Most endurance athletes don't need random salt tabs. Here's how to estimate sodium per hour from sweat rate, weather, and race duration without overdoing it.
Your liver glycogen drops 40% overnight. Here's exactly what to eat before a race, when to eat it, and what to skip so you don't blow up before mile 10.
Heat changes your sweat rate, gut function, and sodium needs. Here's exactly how to adjust your carbs, fluids, and sodium when race day turns hot and humid.
Your gut adapts to processing fuel at effort, but only if you practice. Here's the science behind gut training and an 8-week protocol to get race-ready.
Whether you need gels during a half marathon depends on finish time. Here's how to figure out where you fall, what to carry, and when to take it today.
Exact Ironman carb targets by experience level, the glucose+fructose science behind 90-120g/hr, and a gut training plan that holds up on race day well.
Everything you need to fuel a marathon: carb loading, gel timing, fluid targets, sodium math, and what to do when it's hot. No fluff, just a practical plan.
A step-by-step sweat test you can do at home, plus how temperature, humidity, and intensity change everything. Know your numbers before the starting line.