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Amelia Mitchell

Pro

British Gravel Championships

31st August, 2024
Scotland
Galloway Forest Park
3rd, FPRO
Cycling, Gravel - 87.6km
13°C
, Mild
3hrs 3mins
more race details

Amelia's headline numbers

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~109
g
Carb per hour
Recommended 90g/h+
~440
ml
Fluid per hour
Recommended 250-750ml/h
~833
mg
Sodium per litre
Recommended 1400-1800mg/L
~1.6
mg
Caffeine per kg
Recommended 3-6mg/kg

Amelia'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
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T - 1-4hrs: Ate a carb rich meal (Low in fat & fibre)
pre-fueled
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T - 15mins: Took in a final dose of carb
Carb per hour
Recommended 90g/h+
~109
g
Amelia's Energy Rating
8
/10
"I was aiming for 100g/h and putting extra carbs in my bottles has really helped me hit that target. I lacked ‘zip’ in the final 30 minutes, but I had been working hard!"
Our thoughts

Amelia’s carb-rich breakfast and snacking on sweets on the drive to Scotland would have helped stock her glycogen stores and prepare for the big effort she managed on race day. In training, she has been working hard to practise tolerating higher volumes of carb whilst riding at a high intensity. Her gut training definitely paid off at the champs as she comfortably consumed over her target of ~100g/h! Since she had some of her carb in her bottles, Amelia’s conscious effort to stay hydrated actually helped her fuel more consistently, a win-win situation for her energy levels and hydration status.

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.

Amelia1617mg/L
Amelia has been Sweat Tested to dial in her hydration plan

Sweat sodium concentration (mg/L) is largely genetically determined and remains relatively stable. Knowing how salty your sweat is enables you to replace a good proportion of your sweat losses, which can range from 200-2,000mg/L.

Given Amelia’s losses are Very High (1,617mg/L), nailing her hydration strategy remains important, even when it’s Mild.

Learn more
Pre-loaded electrolytes
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T - 60mins: Drank ~500ml of strong electrolyte drink
Fluid per hour
Recommended 250-750ml/h
~440
ml
Sodium per litre
Recommended 1400-1800mg/L
~833
mg
Amelia's Hydration Rating
8
/10
"I think I needed to drink a bit more, but preloading with the electrolyte tablets and using them during the race have helped stop any cramping."
Our thoughts

After a history of struggling with cramp, incorporating electrolytes into her strategy has been a gamechanger for Amelia. Her Sweat Test revealed she’s a very salty sweater, so adequately replacing the fluid and sodium losses during a race is critical to support her performance. While she didn’t have any dehydration-related symptoms this time, the weather was fairly mild so her total losses wouldn’t have accumulated too much. Considering her high sweat sodium concentration, it’d be beneficial to incorporate a bit more sodium into her bottles, using more PH 1500 (Tablets) to better match her losses. Since she noticed a bit of thirst, the increase in sodium may help quench this, but it could also be helpful to undertake some sweat rate testing to make sure she’s consuming enough fluid for how much she’s losing in certain weather conditions.

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.

Pre-caffeinated
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T - 0-4hrs: Had a final hit of caffeine
Caffeine per kg
Recommended 3-6mg/kg
~1.6
mg
Our thoughts

Since Amelia had a PF 30 Caffeine Gel in the last 20 minutes before the start, she likely would have reaped some of the benefits of the stimulant about half an hour into the race. However, her intake fell below the recommended dosage for the ‘full effect’ to improve performance, so as long as she continues to tolerate caffeine well, she could swap one of her gels during the race to a caffeinated one.

How Amelia hit her numbers

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

Amelia's weapons of choice

Final thoughts

Amelia's Satisfaction Rating
9
/10
With the guidance and support of the PF&H team, I’ve been working on increasing my carb intake on the bike over the past few months to maximise my performance. I knew Nationals was going to be hard from the gun, on a challenging and rolling course, so making sure I was eating and drinking enough was really important. It would have been nice to win, but I’m really happy with how my legs felt during the race.
Amelia
Taking third at this championship race is a huge accomplishment and we’re thrilled to see Amelia continue to improve in her gravel career. She implemented a gut training plan ahead of time to see her take in the highest carb intake she’s managed yet, and it no doubt supported her impressive performance on race day. Going forward, accounting for her super salty sweat with a higher sodium intake (especially in hotter races) will be key, as well as trying out a slightly higher caffeine dosage.
PF&H

Amelia's full stats

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Overall
333g total carb
109g per hour
1,350ml total fluid
440ml per hour
1,125mg total sodium
367mg per hour
833mg
Sodium per litre
100mg total caffeine
1.6mg per kg

Data Confidence
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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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2
3
4
5

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.

Amelia's recent case studies

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