Collection: ENDURANCE TRAINING FUEL – EVERYDAY RIDES, RUNS & WORKOUTS

Endurance Fuel for Training, Racing & Long-Distance Performance

Whether you're training for a marathon, sportive, triathlon, ultra-distance event or all-day adventure, choosing the right endurance fuel can make the difference between finishing strong and running out of energy. Hammer Nutrition's proven range of energy gels, endurance drinks, bars and long-distance fuels are designed to provide steady energy, digestive comfort and reliable performance for athletes at every level.

Why Hammer Fuel Is Different

• No added simple sugars
• Sustained energy philosophy
• Easy digestion
• Less flavour fatigue
• Proven endurance formulas

For over 39 years, Hammer Nutrition has helped athletes fuel smarter through products that deliver steady, reliable energy without relying on excessive amounts of simple sugars. Our approach is based on supporting long-term endurance performance, digestive comfort and consistent energy levels during exercise.

From fast-acting energy gels to sustained-release endurance fuels, our range is designed to support every athlete, every training session and every race distance.

Why Endurance Fuel Matters

Your body relies on stored glycogen, fat and the calories you consume during exercise to produce energy.

As training sessions become longer and more demanding, your energy requirements increase. Without a proper fueling strategy, performance can quickly decline, resulting in fatigue, reduced power output, slower pace and the dreaded "bonk."

The goal of endurance fueling isn't to consume as many calories as possible. Instead, it's about providing your body with the right amount of energy at the right time while maintaining digestive comfort and supporting hydration.

Hammer Nutrition's fueling philosophy focuses on sustained performance rather than short-lived energy spikes and crashes.

Fuel for Short, Hard Efforts

Short-duration sessions often require a simple fueling approach.

Whether you're racing a 10K, completing an interval session, tackling a hill-climb, or competing in a short-course triathlon, quick and convenient energy can help support performance.

Hammer Gel

Hammer Gel provides concentrated energy in an easy-to-use format. Available in a variety of flavours, it delivers convenient calories that are easy to carry during training and racing.

Many athletes use Hammer Gel before exercise or throughout shorter endurance events to help maintain energy levels.

HEED Sports Drink

HEED combines hydration, electrolytes and energy in one easy-to-digest formula.

Unlike many traditional sports drinks, HEED provides steady energy without excessive sweetness, making it a popular choice for runners, cyclists and triathletes looking for reliable fuel during training and competition.

HEED is particularly effective for sessions lasting up to two hours where both hydration and calorie support are required.

Fuel for Long Rides, Long Runs & Endurance Racing

As exercise duration increases, so does the importance of a structured fueling strategy.

Many athletes discover that products designed for shorter efforts become less effective during events lasting several hours. Long-distance endurance exercise requires sustained energy that supports performance without overwhelming the digestive system.

Perpetuem

Perpetuem has become one of Hammer Nutrition's most trusted endurance fuels.

Designed specifically for long-duration exercise, Perpetuem provides sustained energy support for athletes training and racing beyond two hours.

Whether you're preparing for an Ironman, century ride, ultra-marathon or long-distance mountain event, Perpetuem helps provide the steady energy endurance athletes require.

Perpetuem Solids

For athletes who prefer to chew rather than drink their calories, Perpetuem Solids offer a practical alternative.

These easy-to-carry chewable tablets deliver the same trusted endurance fueling philosophy in a convenient format that works well during long training sessions and races.

Hammer Bars

Real-food fuel remains an important part of many endurance athletes' nutrition strategies.

Hammer Bars provide a satisfying option for athletes who prefer a more substantial fuel source during longer rides, hikes, adventures and training days.

They are particularly popular for lower-intensity endurance sessions where athletes have time to digest solid food comfortably.

The Drink Drinker vs Water Drinker Strategy

One of Hammer Nutrition's most popular fueling concepts is the difference between "Drink Drinkers" and "Water Drinkers."

Drink Drinkers

Drink Drinkers prefer to consume most of their calories through sports drinks such as HEED or Perpetuem.

This approach can simplify fueling and hydration by combining energy and fluid intake into one system.

Water Drinkers

Water Drinkers prefer to consume calories separately using products such as Hammer Gel, Perpetuem Solids or Hammer Bars while drinking plain water for hydration.

Many athletes find this strategy offers greater flexibility, particularly during long races and hot-weather training.

Neither approach is right or wrong. The best strategy depends on individual preferences, race duration and environmental conditions.

Fueling and Hydration Work Together

Even the best fueling strategy can fall apart if hydration is neglected.

Endurance athletes lose fluids and electrolytes through sweat during training and racing. Replacing these losses helps support hydration, muscle function and overall performance.

Hammer Nutrition's hydration range includes:

• Endurolytes
• Endurolytes Extreme
• Endurolytes Fizz
• HEED

Together, these products help support electrolyte balance during exercise and complement your fueling plan.

Fuel by Duration

Fueling Under 2 Hours

Recommended:

HEED 

Hammer Gel

Fueling 2–4 Hours

Recommended

 HEED 

Hammer Gel

Endurolytes

Fueling 4–8 Hours

Recommended:

Perpetuem

Perpetuem Solid

Endurolytes

Fueling All-Day Events

Recommended:

Perpetuem

Hammer Bars

Endurolytes Extreme

New to Hammer Nutrition?

Choosing the right endurance fuel can feel overwhelming when you're first starting out.

That's why Hammer Starter Kits are a popular option for athletes looking to discover what works best for their individual needs.

These kits allow you to sample:

• Energy gels
• Endurance drinks
• Electrolytes
• Recovery products

Helping you build a personalised fueling strategy before race day.

Why Athletes Choose Hammer Nutrition

Hammer Nutrition products are trusted by endurance athletes around the world because they focus on delivering reliable energy while remaining easy on the stomach.

Hammer products are made without:

• Added simple sugars
• Artificial colours
• Artificial additives
• Gluten

While they may taste less sweet than many mainstream sports nutrition products, they are widely respected for supporting steady energy and digestive comfort during long training sessions and endurance events.

Whether you're training for your first event, chasing a personal best or preparing for an all-day endurance challenge, Hammer Nutrition provides the fuel, hydration and recovery solutions you need to perform at your best.

Explore our complete range of endurance fuels below and discover why athletes have trusted Hammer Nutrition for more than three decades.

Find expert tips on Trail Running. Click here to optimise fuel for your next big event.