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Maxim Van Gils

Maxim Van Gils

Tour de France Stage 13

14th July, 2023FranceChâtillon-sur-Chalaronne2ndstrava

Maxim's headline numbers

~105g
Carb per hour
Recommended 90g/h+
~933ml
Fluid per hour
Recommended 750-1,250ml/h
~357mg
Sodium per litre
Recommended 0-400mg/L
~1.6mg
Caffeine per kg
Recommended 3-6mg/kg

Maxim's strategy

Fueling

Carbohydrate is the main fuel you burn when racing. Failing to fuel properly is a leading cause of underperformance in longer races.
Carb-rich meal

T - 1-4hrs: Ate a carb rich meal (Low in fat & fibre)

Didn't pre-fuel

Maxim would benefit from taking in a final dose of carb <30 minutes before

Carb per hour
Recommended 90g/h+
~105g
Our thoughts

As he’d done prior to each stage previously, Maxim prepared for Stage 13 by carb loading, which is crucial to maintaining performance throughout the entirety of the tour (his teammates report eating up to 9,000 calories each day!). The Lotto Dstny riders all have stickers on the stems of their bike that outline their race nutrition plan for the day and Maxim executed his strategy perfectly, hitting over 100g of carb per hour.

Hydration

Taking on board an appropriate amount of fluid and sodium is essential to maintaining blood volume and supporting the cardiovascular effort needed to perform on race day.

Whilst the absolute amount of sodium and fluid consumed per hour is important, it’s critical to consider these in relation to each other. This is known as 'relative sodium concentration' and it’s expressed in milligrams per litre (mg/L). How much sodium you’re taking in per litre of fluid is more important than the absolute amount taken in per hour.

Pre-loaded electrolytes

T - 60mins: Drank ~500ml of strong electrolyte drink

Fluid per hour
Recommended 750-1,250ml/h
~933ml
Sodium per litre
Recommended 0-400mg/L
~357mg
Our thoughts

With the temperatures reaching 36ºC (97ºF), Maxim largely relied on PF Carb Only Drink Mix to achieve two goals - to replace a good proportion of his sweat fluid losses in hot conditions and hit his carb numbers. As someone who's classified as a low salt sweater, Maxim also drank a small amount of PF Carb & Electrolyte Drink Mix to get a small amount of sodium on board to adequately replace his losses.

Caffeine

Beyond the Three Levers of Performance (carb, sodium and fluid), caffeine is one of only a few substances that is proven to improve performance for most endurance athletes as it can help stave off mental and physical fatigue.

Didn't pre-load caffeine

Consuming caffeine in the hours before the start may have increased perceived energy levels

Caffeine per kg
Recommended 3-6mg/kg
~1.6mg
Our thoughts

Maxim tactically took a PF 30 Caffeine Gel around 30 minutes before reaching the foot of the 1,500m (4,921ft) climb of Grand Colombier. This meant the caffeine would be peaking in his bloodstream between 15-30 minutes into his climb, when a reduction in perceived effort is just what you’d want.

How Maxim hit his numbers

Here's everything that Maxim ate and drank on the day...

Before race (>30 mins)
  • 500ml x PH 1500 (Tablets)
  • 1 x Serving of oats with rice milk
  • 1 x Serving of mixed fruit

Final thoughts

Maxim was incredibly satisfied with a career best performance, claiming 2nd place in this stage ahead of the general classification contenders who would typically be expected to fill the podium on a stage like this. He followed the strategy set by team nutritionist Britt perfectly to nail his intake on the day.

PF&H

Maxim's full stats

Overall
348g total carb105g per hour
3,080ml total fluid933ml per hour
1,100mg total sodium333mg per hour
357mgSodium per litre
100mg total caffeine1.6mg per kg

Data Confidence

We rate each of our case studies from 1-5 based on the level of accuracy, and our confidence in the data.

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There is an adequate level of accuracy in the data collected and the numbers reported. The athlete manages to recall what they ate and drank including most specifics (brands flavours quantities plausible estimations of volumes). However there are estimations made within the data which affect the overall confidence level in the data reported.

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