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GU Roctane Gels
GU Roctane Gels
6 for £10
€12,15
Try Beta Fuel
Try Beta Fuel
3 for £3.50
€4,26
TORQ Explore Flapjacks
TORQ Explore Flapjacks
3 for £5
€6,08
Try Rawvelo
Try Rawvelo
3 for £3
€3,65
GU Energy Chews
GU Energy Chews
4 for £8.50
€10,25
BOLT Energy Chews
BOLT Energy Chews
4 packs for £7.95
€9,59
No Gut Bombs
No Gut Bombs
3 gels for £3.50
€4,26

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Plan your next session with the XMiles Nutrition Calculator

Build a personalised fuelling plan based on your event, body metrics, and duration. Get tailored targets for carbs, fluids, sodium, and caffeine — and shop your plan instantly.

No more guesswork. Fuel correctly, perform better.

XMiles Nutrition Calculator preview

Create your list in 6 easy steps

1

Start your list

Name it, pick your sport and distance, add predicted time, weight, and gender.

2

Plan generated

We calculate targets for carbs, calories, and protein.

3

Add products

On any product page, tap Add to list to drop it straight in.

4

Sort your timing

Drag items into Before, During, and After so your plan mirrors your session.

5

Hit your targets

Green means you are on track. Red means add or adjust quantities.

6

Add to cart

Click Add list to cart and checkout. Simple.

Build a list now

We are XMiles

At XMiles, we believe every mile deserves to be fuelled properly. Whether you run, swim, or cycle, our goal is to help you fuel smarter, recover stronger, and enjoy every session along the way.

Founded by athletes, built for athletes — we’re the endurance nutrition specialists. From single gels to full race-day plans, XMiles makes it easy to discover, test, and trust the fuel that works for you.

Because when you fuel right, the miles take care of themselves.

Add products to your list in one tap

  1. Open any product page across XMiles.
  2. Scroll to Add to list and choose your list.
  3. Quantity updates in your list are instant.

Build across brands and formats to match your plan.

Create a list
Add to list flow

Why athletes use the XMiles Nutrition Calculator

Personal to your event

Targets adjust for your distance, predicted time, and body metrics.

Shop directly from your plan

Add products from your favourite brands straight into your list.

Session-proof timing

Organise before, during, and after so nothing is left to chance.

Nutrition Calculator FAQs

Which sports does it support?

Running, cycling, triathlon, hiking, and more. If it needs fuel, you can plan it.

Can I change my plan later?

Yes. Edit quantities, swap products, and move items across timing blocks any time.

How do I add products to my list?

On any product page, click Add to list and select the right list.

Do discounts still apply?

Yes. Multi-buy Mix and Match and other promos apply at checkout as normal.

Will it work for hot races?

You can tweak fluids and sodium targets to match conditions and your experience.

Ready to plan your next session

Create a list, add products, and head to the start line feeling prepared.