null
Sport Factory Blog

Nutrition for Cyclists: What to Eat Before, During and After Rides

Posted by Matt Russ

Nutrition for Cyclists: What to Eat Before, During and After Rides

Cyclist eating a banana during a ride

Cycling nutrition comes down to carbohydrate, timed to your ride. Eat a familiar, carb-based meal two to four hours before you start. Take in 30 to 60 grams of carbohydrate per hour once a ride passes an hour. Go up to 90 grams per hour past two and a half hours. Then refuel with carbs and protein soon after you finish. None of it works if the food and drink are out of reach while you ride, so how you carry fuel is part of the plan. That is why we cover bottles and cages below as well as meals.

Sportfactoryproshop
Keep Ride Essentials Within Reach
Sportfactoryproshop offers cycling gear, including bottles and cages, to help keep your ride fuel accessible while you ride.

TL;DR

  • Daily carbohydrate follows training load: roughly 3 to 5 g/kg of body weight on rest days, up to 8 to 12 g/kg on very long days.
  • Before a ride, eat 1 to 4 g/kg of carbohydrate one to four hours out, from low-fat, low-fiber foods you already know.
  • On the bike, aim for 30 to 60 g of carbs per hour for rides of 1 to 2.5 hours, and up to 90 g per hour beyond that.
  • Afterward, pair carbohydrate with 20 to 30 g of protein, and start within the first hour.
  • Practice your race-day fueling in training, and keep bottles and food where you can reach them.

Table of Contents

Start with the daily picture

Most cyclists think of nutrition as what happens on the bike. The bigger lever is what you eat across the whole day, because your muscles store carbohydrate as glycogen, and glycogen is the fuel you burn hardest on a bike. If you start a ride with low stores, no gel will fully fix it.

The UCI Sports Nutrition Project, the sport’s governing-body research effort, recommends periodizing carbohydrate to match training load. Periodizing simply means changing your intake from day to day instead of eating the same plate every time. Its figures match the long-standing ACSM, Academy of Nutrition and Dietetics and Dietitians of Canada position stand.

Day type Daily carbohydrate (g per kg body weight)
Rest day or light, skill-based riding 3 to 5
Moderate training, about 1 hour 5 to 7
Endurance training, 1 to 3 hours at moderate to high intensity 6 to 10
Extreme load, more than 4 to 5 hours 8 to 12

Protein stays steadier across all of these days, at 1.2 to 2.0 g/kg per day according to the same UCI statement, with more of it emphasized on recovery days.

A worked example. A 70 kg rider doing a two-hour endurance ride falls in the 6 to 10 g/kg band. That is 420 to 700 grams of carbohydrate across the day, which is a lot more than most people expect. Spread across breakfast, the ride itself, a recovery meal, lunch, an afternoon snack and dinner, it becomes manageable. On the rest day after, the target drops to 210 to 350 grams, and the plate shifts toward protein, vegetables and higher-fiber foods.

We go deeper on this in our article on adjusting your diet between rest and training days. If you are also working out how many sessions a week suit your energy levels, this guide to training frequency and energy is a good companion read.

Start with the daily picture

What to eat before a ride

The goal of the pre-ride meal is full glycogen stores and a comfortable stomach. University of Utah Health advises eating two to four hours before training or competition, with 2 to 4 grams of carbohydrate per kilogram of body weight depending on how you tolerate it. Choose foods high in carbohydrate, low to moderate in protein and low in fat.

The ACSM-led position stand gives a wider window of 1 to 4 g/kg, one to four hours before, favoring low-fat, low-fiber and familiar foods. The practical reading: the closer to the start, the smaller and simpler the meal.

Time before the ride What it looks like
3 to 4 hours A full meal: rice or pasta with lean protein, or oatmeal with fruit and honey
2 hours A smaller meal: a bagel with jam, a banana and yogurt
30 to 60 minutes A light carb snack: a banana, a small energy bar, a sports drink

Why fat and fiber matter here. Fat, fiber and large amounts of protein slow gastric emptying, which is how fast your stomach passes food on. The UCI race nutrition guidance says to avoid high intakes of fat, fiber and protein around hard riding for that reason. A big salad and a cheeseburger two hours before intervals is a classic way to ride the first hour with a heavy stomach.

The night before. British Cycling’s advice is a normal-sized meal the night before, not an oversized one, and it suggests allowing two to three hours between breakfast and the start of a sportive. Overeating the night before and leaving breakfast too late are both on its list of common mistakes.

Before a big event. For a single-day endurance event, the UCI statement recommends 10 to 12 g/kg per day for one to two days before, with extra allowance for any riding done on those days. This is carbohydrate loading, and it is meant for long events, not a two-hour club ride.

How much to eat on the bike

This is the part of cycling nutrition where riders most often under-do it. Your body stores only so much glycogen, and a rider working steadily can run through it in a couple of hours.

University of Utah Health sets out the standard ladder: 30 to 60 grams of carbohydrate per hour for events of 1 to 2.5 hours, and up to 90 grams per hour beyond 2.5 hours. The carbohydrate can come from solid food, sports drinks or gels.

Ride length Carbohydrate per hour Example
Under about 60 to 90 minutes Usually little needed beyond water Stored glycogen covers it
1 to 2.5 hours 30 to 60 g One bottle of drink mix plus a banana or a gel
More than 2.5 hours Up to 90 g Drink mix, gels or chews, and real food

Why 90 grams needs a blend. Your gut absorbs a single sugar, glucose, only so fast. Using glucose and fructose together taps two absorption routes. The UCI race nutrition document recommends multiple carbohydrate sources such as drinks, gels, chews and solid foods, and a 2:1 glucose to fructose blend at the higher end. Check the label of your drink mix or gel for both sugars.

Can you go higher? Professional Grand Tour riders sometimes do. The UCI race document reports on-bike intakes up to 120 g per hour on the most demanding stages. A 2025 Journal of Nutrition paper notes that contemporary research suggests the upper limit could reach 120 g/h for trained participants. For most riders, 60 to 90 is the working range.

Train your gut. The UCI document says tolerance for carbohydrate during riding appears to be trainable. If you want to work up toward 90 g per hour, add 10 to 15 grams per hour over several weeks of long rides rather than jumping straight there on race day.

Eat early and often. British Cycling suggests snacking every 20 to 30 minutes and not waiting until you feel hungry. By the time hunger or weakness shows up, you are already behind.

What to drink

Hydration is the second half of on-bike fueling. BikeRadar’s guidance is to start hydrated and drink about one 500 ml bottle per hour in mild weather and two in hot weather. That is roughly 17 ounces per hour in mild conditions. It also suggests estimating your sweat rate or drinking to thirst, and not overdrinking.

To estimate sweat rate, weigh yourself before and after a one-hour ride, add what you drank, and the difference is what you lost per hour. Do it in different weather to see how much it moves.

Electrolytes. The same BikeRadar piece says to consider electrolytes on long rides and if you are a salty sweater. It quotes researcher Dr. Tim Podlogar saying electrolytes remain useful in winter because they stimulate thirst, which cold weather can dull.

Hot days. One review of endurance athlete nutrition says that in hot conditions, carbohydrate oxidation rates fall, and it suggests clinicians counsel athletes to reduce carbohydrate intake by about 10 percent. In practice this means leaning on fluids and easier-to-digest carbs when the heat is high.

Carrying your fuel so you actually use it

A fueling plan of one bottle an hour and a snack every 20 to 30 minutes only works if you can reach both without fumbling. That is a gear question, and it is where riders lose grams without noticing: a bottle that sits in a hard-to-reach spot is a bottle you sip less often.

We stock bicycle water bottles and bottle cages, so you can set up the number of bottles your ride needs. On a two-hour ride in mild weather, that is two bottles: one with your drink mix, one with plain water or a second mix. For longer rides, a third bottle or a refill stop belongs in the plan. Put the drink you rely on most in the cage you can reach without looking down.

If you ride in the cooler months, our cycling shorts and socks are on the same site, so you can sort the kit for long days in one order.

Sportfactoryproshop

Sport Factory Pro Shop sells cycling gear for competitive riders, triathletes, mountain bikers and enthusiasts, from aerobar systems and pedals to tires, pumps and apparel. If you are building a setup for long rides, start with the bottle cages and the rest of the range at sportfactoryproshop.com.

What to eat after a ride

Recovery has two jobs: refilling glycogen and repairing muscle. Carbohydrate does the first, protein the second.

If your next hard session is under eight hours away, University of Utah Health recommends 1 gram of carbohydrate per kilogram of body weight per hour for the first four hours, plus 20 to 30 grams of protein within an hour. USADA’s 2026 nutrition guide, from the US anti-doping agency, gives a similar target after intense or long training: 1 to 1.2 g/kg of carbohydrate per hour for four hours, with 20 to 40 grams of protein in the recovery meal or snack.

Worked example. For a 70 kg rider finishing a hard three-hour ride with another session tomorrow morning, that is about 70 grams of carbohydrate in the first hour. A large bowl of rice with chicken and vegetables, or a sandwich with a banana and a glass of milk, gets there. Repeat a similar amount each hour for the next few hours as meals and snacks.

Rice chicken and vegetables after a ride

When you do not need to fuss. British Cycling notes a recovery drink is unnecessary after most rides under 90 minutes. For rides over 90 minutes, or short but especially hard ones, it suggests a recovery drink if no proper meal is due within an hour. A normal meal with carbohydrate and protein does the same job.

Don’t forget fluids. Replace what you lost, and spread it over the hours after the ride instead of drinking it all at once.

Common cycling nutrition mistakes

British Cycling’s list of the top ten cycling nutrition mistakes is a useful checklist. The ones that matter most:

  1. Trying untested food on event day. Rehearse your race-day fueling in training. The ACSM-led position stand also advises practicing it beforehand.
  2. Waiting until you are hungry. Start eating in the first 20 to 30 minutes.
  3. Overeating the night before. A normal meal beats a giant one.
  4. Leaving breakfast too late. Allow two to three hours before a long event.
  5. Not planning fuel around the route. Know where the climbs, the descents and the feed stops are. Eat before the hard sections, not during them.
  6. Skipping the late feed. The final hour is where under-fueling shows.
  7. Relying on gels alone. Too many gels can upset the stomach. Mix gels, drink and solid food.

One more worth knowing: during exercise, blood flow shifts toward working muscles and away from the gut. That is why a heavy load of fiber close to a hard effort can bring cramping and bloating, as Roadman Cycling explains. Save the high-fiber foods for rest days and the evening meal.

Eating enough overall. The 2023 ACSM review of nutrition for endurance cyclists warns that insufficient fueling inhibits performance and recovery, leading to fatigue, illness and injury. It names Relative Energy Deficiency in Sport (RED-S), which can happen when intake does not match the energy demands, and notes cyclists are especially at risk because of their workload and the emphasis on power-to-weight ratio. If you are constantly tired, getting sick often or losing weight without trying, see your doctor or a sports dietitian.

Putting it together: a sample plan for a three-hour ride

Here is how the numbers combine for a 70 kg rider on a steady three-hour ride. Adjust to your own weight and tolerance.

  1. Day before: Moderate-to-high carbohydrate day, a normal-sized dinner, nothing new.
  2. Three hours before: Oatmeal with banana and honey, or rice with eggs. Roughly 140 to 280 grams of carbohydrate falls inside the 2 to 4 g/kg range; most riders land near the lower half if starting closer to the ride.
  3. First 30 minutes: Start sipping your carbohydrate drink.
  4. Hours 1 to 2.5: 30 to 60 grams of carbohydrate per hour from drink mix, a gel and a bar or banana.
  5. After 2.5 hours: Move toward 60 to 90 grams per hour if your stomach tolerates it, using a glucose and fructose blend.
  6. Within the hour after: About 70 grams of carbohydrate and 20 to 30 grams of protein, then keep eating at regular intervals.

This is a template, not a prescription. Medical conditions such as diabetes, or a history of disordered eating, call for a plan from your doctor or a registered dietitian.

The view from our side of the counter

We talk with riders about fueling more than you might expect from a gear shop, and the same thing comes up: the plan is rarely the problem. The problem is that the bottle is buried, the cage is loose, or the second bottle never made it onto the bike.

That is why we think of bottles and cages as part of your nutrition. If the numbers say you need a bottle an hour and a snack every 20 to 30 minutes, your bike has to make that easy. Set it up before the long ride, not during it.

Our advice is simple. Pick a drink mix you tolerate, practice at the pace you will race, and build your carry setup around it. Then stack the rest of your kit around the ride: pedals you trust, tires you do not think about, and a way to pump up a flat without losing time.

Coach Matt

FAQ

How many carbs should a cyclist eat per hour?

For rides of 1 to 2.5 hours, aim for 30 to 60 grams per hour. Beyond 2.5 hours, up to 90 grams per hour, using a mix of glucose and fructose, is the standard guidance. Build up gradually in training so your stomach gets used to it.

What should I eat before a long ride?

Eat two to four hours before the start, aiming for 2 to 4 grams of carbohydrate per kilogram of body weight. Choose familiar foods that are high in carbs and low in fat and fiber, such as rice, oatmeal, bagels or bananas. Closer to the start, keep the portion smaller.

Do I need to eat on a one-hour ride?

Usually not much. Rides of 60 to 90 minutes can generally be fueled by your stored glycogen, so a good pre-ride meal and water are enough for most riders. Harder efforts or an empty stomach at the start are good reasons to bring a drink with carbohydrate.

How much should I drink while cycling?

A common starting point is one 500 ml bottle per hour in mild weather and two in hot weather, as BikeRadar’s hydration guide suggests. Measure your own sweat rate by weighing yourself before and after a ride, and avoid drinking more than you lose.

What should I eat after a ride?

Have carbohydrate and 20 to 30 grams of protein within the first hour. If you ride again within eight hours, keep taking in carbohydrate at about 1 gram per kilogram of body weight per hour for the first four hours. A regular meal works as well as a recovery drink.

Sources