Choose glass-bottled water for drinking at home or at a stationary support point, rather than as a bottle to carry while running. Plain water does not supply carbohydrate fuel for prolonged exercise; World Athletics gives carbohydrate guidance by exercise duration, so consider your fluid and fuelling plans separately and check the rules for any event or venue.
Plain water can provide fluid, but it does not provide the carbohydrate discussed in World Athletics’ guidance for longer endurance exercise. Consider what you will drink and how you will carry fuel as separate parts of your plan.
A glass bottle can sit at home, alongside a meal or at a stationary support point. Highland Spring lists still and sparkling glass-bottled water in 330 ml and 750 ml sizes; the format does not need to be carried on the run.
If you want plain water while running, consider a secure, portable bottle instead of glass. For longer sessions, a portable water bottle is still only the fluid part of a plan that may also include carbohydrate.
Decide when you will drink the water, then check whether the bottle format and any separate fuel suit that session.
| Priority | What to check | Your needs |
|---|---|---|
| Plain-water hydration | Check whether you need water at home, at a support point or during the run. Consider access to drinks when a session lasts longer or conditions change. | I want plain water available where I will actually drink it, without treating the bottle as my whole fuelling plan. |
| Fuel for longer exercise | Check the carbohydrate content of any drink or separate fuel and practise the combination during training. World Athletics gives 30–60 g of carbohydrate per hour for exercise lasting 1–2.5 hours and up to 90 g per hour beyond 2.5 hours. | For a longer run, I need to plan carbohydrate separately if my drink is plain bottled water. |
| Bottle format | Check the material, volume, closure and whether the bottle must be carried. Highland Spring lists 330 ml and 750 ml glass bottles; check event or venue rules before taking glass to a support point. | Glass suits a place where I can leave the bottle. If I am carrying water, I want a secure, portable format instead. |
| Mineral content | Read the figures for the exact water and variant, using the stated units. Buxton lists 24 mg of sodium per litre for its sparkling natural mineral water; that figure does not describe every bottled water or a complete endurance drink. | I do not want to mistake naturally occurring minerals in plain water for a planned drink-and-fuel combination. |
Plain mineral water does not supply carbohydrate. World Athletics’ endurance guidance describes carbohydrate intake by exercise duration, while published guidance on prolonged intense exercise also discusses sodium-containing fluid.
Plan and practise the drinks and fuel you intend to use during longer sessions rather than judging a water by its bottle or mineral content alone.
A glass bottle adds a carrying and breakage consideration. Highland Spring presents its glass range for occasions and dining, not as running equipment.
Keep glass for stationary use. If you need water on the move, choose a secure portable format and check any event or venue restrictions.
Highland Spring cites the energy needed to produce and transport glass as a reason it does not use the material across its entire range. Bottle material alone does not settle the wider packaging choice.
Consider whether the bottle will be carried, reused or recycled locally, rather than relying on a single packaging feature.
These brand references help distinguish a documented glass range from other still-water formats; they do not imply that every listed brand has a glass option.
Highland Spring lists still and sparkling water in 330 ml and 750 ml glass bottles, presented for occasions and dining.
Buxton is a natural mineral-water option; Tesco lists a 1 L still-water bottle with a sports cap.
Volvic offers natural mineral water, and Tesco lists a 1.5 L still-water format.
Evian natural mineral water appears in Tesco’s still-water listings, including a 500 ml single bottle.
This PET-bottled option is for carrying plain water, rather than for choosing a glass bottle or a carbohydrate-containing drink.
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Consider this 750 ml sports-cap bottle when you want to carry plain water. It is PET, not glass; plan carbohydrate fuel separately for longer sessions rather than relying on plain water for it.
No: plain water provides fluid but not carbohydrate fuel. World Athletics gives carbohydrate guidance for endurance exercise according to duration, so consider what you will drink and what fuel you will use during longer sessions.
A stationary setting, such as home, a meal or a permitted support point, avoids the need to carry glass while running. Highland Spring lists still and sparkling glass bottles in 330 ml and 750 ml sizes; check local rules before bringing glass to an event or venue.
Choose a water you are comfortable drinking, but do not use the still-versus-sparkling choice as a substitute for planning fuel for a longer run. The NHS discusses water as a way to replace fluids lost through physical activity; that general hydration advice does not make either type a carbohydrate drink.
Buxton advises storing bottled water at room temperature or cooler, away from direct sunlight, solvents and chemicals. Check the instructions on the bottle you buy as well.