AID STATIONFUEL & FLUIDS2 ENTRIESALL JUNCTIONS →
Fuel & Fluids
Race nutrition, gut training, and what is on the aid-station table. Calories per hour, not per aisle.
01Fuel & Fluids · Sep 5, 2026Tailwind vs Skratch vs Precision Fuel & Hydration: Carbs, Sodium and When Each WinsLabel-data comparison of Tailwind Endurance Fuel, Skratch Sport Hydration and Precision Fuel & Hydration: carbs and sodium per serving, milligrams per litre, how to build a 60 g and 90 g hour with each, gut tolerance, aid-station logistics and cost per hour.8 MIN02Fuel & Fluids · Sep 4, 2026How Many Carbs Per Hour for an Ultra? The 60-90 g Guide, Gut Training and Worked Hourly PlansThe 60-90 grams-per-hour carbohydrate guidance explained for ultras: where the numbers come from, why 100-milers run lower, multiple-transportable carbs, a six-to-ten-week gut-training protocol, and three worked hourly plans with the math shown.8 MIN
Reader favorites
The short list — see the full ranking on the best-gear page.
Squirrel's Nut Butter anti-chafe salve
$44.99
Check priceTraining Essentials for Ultrarunning by Jason Koop
$3,471.00
Check priceTailwind Nutrition Endurance Fuel, 30-serving
$30.99
Check price
Straight, no chaser: some links on this page are affiliate links. As an Amazon Associate we may earn a commission when you buy through them — at no extra cost to you. It never changes the price you pay, and it never buys a ranking.
18 field guides published
20 products vetted
624 reader price checks
Featured merch
Original race-logistics art, made to order.



