Cycling nutrition for road, track and mountain bike riders

At a glance

• Energy demands: Very high on long rides and stage races
• Fuelling window: On the bike, from early in the ride
• Disciplines: Road, track, mountain bike and gravel
• Health watch: Low energy availability and bone health

What cycling demands

Road cycling combines long hours at moderate intensity with repeated hard efforts: climbs, attacks, sprints and bridging gaps. Energy use on a long ride or stage can be very high, and because the body is supported by the bike, riders can usually eat and drink far more comfortably than runners. That makes cycling a sport where fuelling well is very achievable, and where under-fuelling is more often a planning problem than a gut problem.

Track cycling sits at the other end. Sprint events last from seconds to around a minute and depend on power and the ability to repeat maximal efforts across rounds, while endurance track events mix sustained high intensity with tactical surges. Mountain biking adds technical terrain where hands must stay on the bars, so eating and drinking need planning around descents, feed zones and lap structure.

Because cycling is low impact, riders miss the bone-loading benefit that running provides, and the sport's focus on power-to-weight can push some riders towards restricting food. Together these raise the risk of low energy availability and poor bone health. Long training days, commuting by bike and indoor sessions can also quietly add to total energy needs.

Nutrition priorities for cyclists

Fuel the ride early

Rides of 1–2.5 h generally call for 30–60 g/h of carbohydrate, rising to up to 90 g/h from glucose–fructose sources on rides beyond 2.5–3 h. Starting early helps prevent the late-ride slump. [1]

Scale carbohydrate to volume

Riders training 1–3 h a day typically need 6–10 g/kg/day, and those riding more than 4–5 h a day on big blocks or training camps may need 8–12 g/kg/day. [1]

Recover for back-to-back days

Stage races, camps and weekend double rides leave little recovery time. Carbohydrate at 1.0–1.2 g/kg/h for the first 4 h after riding helps restore glycogen for the next day. [1]

Support power on the track

Creatine is an evidence-based option for repeated high-intensity and strength work, which suits track sprinters and gym-based training. We assess whether it fits and choose batch-tested products. [2]

Protect bone and hormone health

Low-impact training combined with power-to-weight pressure makes RED-S a particular concern in cycling. We screen for warning signs and work with your medical team where needed. [3]

Practise race-day caffeine

Caffeine at 3–6 mg/kg about 60 min before a race or hard effort is a well-studied option. We check your tolerance, sleep and timing for your event. [2]

Race and sportive-day fuelling

1. Day before: Increase carbohydrate before road races or sportives lasting more than 90 min; for long events, loading at 10–12 g/kg/day over 36–48 h can help. [1]
2. Pre-ride meal: Eat 1–4 g/kg of carbohydrate 1–4 h before the start, choosing familiar, lower-fibre foods if your gut is sensitive. [1]
3. On the bike: Start eating and drinking early in the ride, using bottles, gels, bars or rice cakes to meet your hourly target, and time feeds around climbs and technical sections.
4. After the ride: Combine carbohydrate with about 0.3 g/kg protein, and if you are riding again the next day, keep carbohydrate coming over the following hours. [1]

General guidance from sports nutrition consensus statements. Your practitioner will tailor amounts to you.

Disciplines and their demands

Road racing and sportives

Long durations and repeated surges make hourly carbohydrate and pre-event loading the main priorities.

Track sprint

Short, maximal efforts mean power, recovery from strength training and protein spread dominate, with little need for in-race fuel.

Track endurance

Sustained high intensity across several rounds makes between-round recovery and pre-race timing key.

Mountain biking and gravel

Technical terrain and few safe chances to eat call for planned feeds, hydration packs and easy-to-handle foods.

Time trials

A sustained effort at threshold where the pre-race meal, caffeine timing and starting well hydrated matter most.

What we help with

• Running out of energy on long rides or sportives
• Power-to-weight pressure causing food restriction
• Low bone density or recurring illness
• Recovering between stages, camps and back-to-back rides
• Taking on fuel safely on technical mountain bike courses
• Fuelling on training camps where meals are unpredictable

Ongoing support, not one-off sessions

We do not work with athletes on a one-off basis. Sports nutrition works best when it adapts to your training, so we recommend an initial consultation followed by at least three follow-ups.

Who you could work with

• Jenaed Ruddock, HCPC-registered Sports Dietitian (SENr)
• Beatriz Ribeiro, HCPC-registered Dietitian
• Tom Hill, SENr Sports and Performance Nutritionist
• Melissa Bosch, Eating Disorder Nutrition Specialist

Book your consultation

Book an initial consultation or book a free discovery call to talk it through first. All consultations are online.

Explore more

See all the sports we work with, our RED-S nutrition support, or meet the team.

Frequently asked questions

How much should I eat on a long ride?

Rides of 1–2.5 h generally need 30–60 g/h of carbohydrate, and rides beyond 2.5–3 h can benefit from up to 90 g/h if your gut is trained for it. Short, easy spins may need little or nothing. We tailor targets to the type of ride and your goals.

Is it worth training fasted?

Some riders use occasional low-carbohydrate sessions for specific training adaptations. Done too often or on the wrong days, though, it can reduce training quality and add to the risk of low energy availability. We advise on whether, when and how to include it within a well-fuelled week.

Why are cyclists at risk of low bone density?

Cycling does not load the skeleton the way impact sports do, and when that is combined with low energy availability, bone health can suffer. Our RED-S specialists review your fuelling, training and warning signs, and recommend medical assessment where your bone health needs checking.

Do you work with track and mountain bike riders as well as road cyclists?

Yes. Track sprinters need a very different plan from endurance riders, built around power, strength work and recovery between rounds, while mountain bikers need fuel they can take on safely around technical terrain. We tailor support to your discipline.

Can I book one session before a big sportive?

We do not work with athletes on a one-off basis. Ride fuelling needs testing over several long rides, so we recommend a minimum of three follow-up consultations after your initial consultation to fine-tune your plan before event day.

References

1. Thomas DT, Erdman KA, Burke LM. Position of the Academy of Nutrition and Dietetics, Dietitians of Canada, and the American College of Sports Medicine: Nutrition and Athletic Performance. J Acad Nutr Diet. 2016;116(3):501–528.
2. Maughan RJ, et al. IOC consensus statement: dietary supplements and the high-performance athlete. Br J Sports Med. 2018;52(7):439–455.
3. Mountjoy M, et al. 2023 International Olympic Committee (IOC) consensus statement on Relative Energy Deficiency in Sport (REDs). Br J Sports Med. 2023;57(17):1073–1097.