Giles El

By 

Giles Elmore (BSc Hons) MRSPH

You know the feeling. The Sunday ride was long, enjoyable, nothing dramatic. You weren’t crawling home. You quickly ate something afterwards so you could get back on family duty and spend the afternoon chauffeuring the kids to various activities or starting the list of household chores that need to be done. Then Monday arrives with a heaviness in the legs, stairs feel steeper than usual, and there’s a stiffness that seems disproportionate to the effort. 

It’s easy to blame the intensity or the ride, fitness levels, or age. Or assume it’s simply “DOMS.” But more often than not, how you feel 12–24 hours later is shaped less by the ride itself and more by how well you recovered from it. 

During any ride lasting a couple of hours or more, your body steadily depletes muscle glycogen, the stored form of carbohydrate inside your muscles. Glycogen is what fuels sustained efforts, climbs, and changes in pace. By the time you roll home, those stores are significantly reduced, even if you’ve eaten on the bike. 

At the same time, muscle fibres have undergone mechanical stress. This is not injury; it is the normal stimulus for adaptation. But it does mean protein breakdown has increased, inflammation has been triggered, and the body now has repair work to do. Add to that fluid and electrolyte losses through sweat, and you have a system that needs refuelling, rebuilding and rehydrating. 

The ride is only half the story. The other half begins when you get off the bike. 

In the hours after exercise, the body becomes particularly responsive to carbohydrate intake.  

Muscle glycogen synthesis occurs faster when carbohydrate is consumed in the early recovery period (Naderi et al., 2023; Wang et al., 2024). This doesn’t mean there is a magical 30-minute window that slams shut, but it does mean delaying or severely restricting carbohydrate slows the refilling process.  

For the once-a-week rider, this matters because glycogen does more than fuel performance.  

Low glycogen contributes to that heavy, flat sensation in the legs. Muscles that are under fuelled often feel tight and unresponsive, even at rest. When carbohydrate is restored properly, that heaviness resolves more quickly.  

Protein plays a different but equally important role. After endurance exercise, muscle protein synthesis increases when adequate protein is consumed, helping shift the body from breakdown toward repair. Without sufficient protein, the rebuilding process is slower. When carbohydrate and protein are consumed together, recovery is more complete, fuel is restored and tissue repair is supported simultaneously (Margolis et al., 2020). 

For most recreational cyclists, this doesn’t require precision. It simply means eating a proper meal after longer rides, one that includes carbohydrate and a meaningful source of protein, rather than skipping food or relying on protein alone. 

That Monday morning stiffness many riders recognise is often a combination of residual inflammation, incomplete glycogen restoration, and mild dehydration. Research has shown that inadequate carbohydrate intake after endurance exercise impairs subsequent muscle function and increases perceived fatigue (Goldstein et al., 2023). Add fluid imbalance to the equation and tissues feel tighter, heavier, and slower to loosen. This is important even if you aren’t riding again immediately. Good recovery means the ride enhances your week rather than draining it. Energy is steadier. Sleep is often better. The body absorbs the training stress rather than carrying it. 

And for those who are riding again the next day, recovery becomes even more critical. When the turnaround between sessions is short, incomplete glycogen restoration directly limits performance capacity. Studies consistently show that starting exercise with low muscle glycogen reduces endurance capacity and increases perceived effort (Naderi et al., 2023). In simple terms, if you haven’t refuelled properly, you start the next ride with the tank half full.  

What feels like “bad legs” is often simply under-recovery. 

This is why professional endurance athletes treat recovery nutrition as part of training itself.  

But the principle applies just as much to the recreational cyclist who rides Saturday and Sunday. The body doesn’t distinguish between amateur and elite. It responds to fuel availability.  

Recovery is not about optimisation for most people. It is about not undermining the work you’ve already done. Carbohydrate restores muscle fuel. Protein supports repair. Fluids restore balance. Together, they allow the body to complete the adaptation process that began on the bike.  

Training provides the stimulus. Recovery provides the environment for change. 

When recovery is done well, it is almost invisible. Legs feel normal sooner. Stiffness fades more quickly. The ride becomes something that builds you up rather than something you carry into the week.  

We don’t need to over think or complicate things, but after a ride make sure you eat some carbohydrate, include some protein and drink enough fluid.  

Weekly fun Fact: It was in the 1950’s that Tour de France cyclists decided that stopping at Cafe’s and fountains to fuel was too much of a time drain at which point the use of the now familiar Musette was adopted so cyclists could refuel on the move.

If you’re unsure whether you’re fuelling correctly on a daily basis or want expert help optimising your day-to-day nutrition, G2 Nutrition offers personalised diet analysis and practical guidance.  

Get in touch at giles@g2nutrition.com, or ask in MDV next time you drop in.