Hydration and Fueling: The Anti-Bonk Strategy for Long Rides
When to drink, when to eat, electrolytes and the rule for never hitting the wall on rides over 2 hours.
Written by the editorial team at Velunite
Ask any group why a ride fell apart and sooner or later someone says: I ran out of water, or I bonked. Hydration and fueling are the least glamorous and most decisive part of long rides - and the easiest to get wrong.
Drink before you are thirsty
Thirst is a late signal: when you feel it, you are already slightly dehydrated and performance is dropping. The rule is small sips every 10-15 minutes from the start, not big gulps once an hour. A 750 ml bottle lasts about 1-1.5 hours in mild weather: on rides over 2 hours, plan where to refill - fountains, bars, and in Italy cemeteries always have water.
When water is not enough
Up to 90 minutes, water is fine. Beyond that, or in heat, you lose salts with sweat that water alone does not replace: that is where cramps and that empty feeling come from. An electrolyte tablet or sachets in the second bottle solve it cheaply. No need for fancy products - just sodium, potassium and magnesium.
Eat early, eat often
The bonk arrives when glycogen runs out, usually after 2-3 hours without eating - and once it hits, no gel truly brings you back. Prevention: start eating after 45-60 minutes, then something small every 30-45 minutes (banana, bar, dried fruit, sandwich). About 30-60 g of carbs per hour is the range that works for most amateurs.
In short
Bottle within reach, sip every 15 minutes, salts after 90 minutes, food from minute 45. Rides are not ruined by legs - they are ruined by empty bottles and empty pockets. Pack them like you pack the pump.
Recommended products
The foundation is a good stock of 750 ml bike water bottles, easy to grab and wash after every ride.
Past 90 minutes you need salts: sports electrolyte tablets dissolve in the second bottle without gumming it up.
To eat every 30-45 minutes without stopping, energy bars for cycling open one-handed, even with gloves.
For longer efforts, energy gels for cycling are the most compact way to carry carbs in a pocket.
If the bike has a single mount, a second side-loading bike bottle cage solves rides over two hours.
As an Amazon Associate, Velunite earns from qualifying purchases. Some links in this article are affiliate links: if you buy through them Velunite may earn a small commission at no extra cost to you.