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Amelia Mitchell

Pro

Unbound Gravel 200 Miler

1st June, 2024
USA
Emporia, Kansas
18th, FPRO
Cycling, Gravel - 326.4km
23°C
, Hot and Humid
10hrs 50mins
more race details

Amelia's headline numbers

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?
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~82
g
Carb per hour
Recommended 90g/h+
~567
ml
Fluid per hour
Recommended 250-750ml/h
~814
mg
Sodium per litre
Recommended 800-1200mg/L
~6.3
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+
~82
g
Amelia's Energy Rating
6
/10
"Even though the first three-and-a-half hours were really hard, I rode pretty well. But then I cracked with about 90 minutes to go. I really felt the heat in that final bit, too."
Our thoughts

Amelia knew that tackling her first ever 200 mile gravel race at Unbound would be a challenge, so she wisely consumed extra carb for stored energy as glycogen in the days leading up to the race. Between the PF Carb Only Drink Mix in one of her bottles and regular intervals of PF 30 Gels, Amelia’s average intake fell within the carb intake recommendations for a race of this length and intensity, and even rated her stomach comfort a solid ten (out of 10). Although she did experience a significant drop in energy toward the end, she puts this down to her hydration levels and the new stimulus of such a long, tough race.

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
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T - 60mins: Drank ~500ml of strong electrolyte drink
Fluid per hour
Recommended 250-750ml/h
~567
ml
Sodium per litre
Recommended 800-1200mg/L
~814
mg
Amelia's Hydration Rating
5
/10
"I didn’t drink enough in the first section of the race, so I definitely should’ve had more, which probably would have helped me later on. I started to get a cramp in my feet that lingered for the rest of the race."
Our thoughts

While Amelia’s hydration numbers fell ‘in the green’, a closer look reveals room for improvement. She struggled to consume much fluid at all during the first third of the race when the temperature was cooler, and then attempted to play catch-up later. Since she hasn’t had a Sweat Test or previously exhibited signs of being a salty sweater, her hydration strategy aimed to replace the average sodium losses we’ve seen from conducting thousands of Sweat Tests with athletes (~1,000mg per litre/32oz). However, her struggle with cramp during the race may indicate her sodium losses were above average, so increasing the relative sodium concentration in her fluids going forward may help alleviate these painful muscle cramps. This could also support her performance near the end of a race, as she seemed to reach a point of fatigue that may have been caused by accumulated dehydration.

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
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Consuming caffeine in the hours before the start may have increased perceived energy levels
Caffeine per kg
Recommended 3-6mg/kg
~6.3
mg
Our thoughts

Amelia used PF 30 Caffeine Gels to boost her energy levels throughout the race and pointed out that it helped significantly. Overall, her intake was just above the scientific recommendations based on bodyweight, but still suitable for a nearly 11-hour race. Since she noticed such a benefit from the stimulant, she plans to swap out her pre-race PF 30 Chews for one of the caffeine gels she took during to give her a jump start at the beginning instead. So despite her intake technically rating ‘amber’, her positive subjective feedback means the strategy was appropriate on this occasion.

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
10
/10
I’m just pleased that I managed to get round! Given I’ve never ridden that distance before, the race went really well and gave me a lot of confidence. I learnt a lot and am so glad I asked for help with my strategy.
Amelia
Amelia held her own out on the gravel and executed a solid race nutrition strategy, even amongst her first-timer nerves and a stacked field. Before her next challenge, she plans to get Sweat Tested so she can fine-tune her sodium intake and reduce the risk of cramping. Staying consistent with fluid intake from the start of races and continuing her fueling strategy will also serve her well and keep her performing at her best.
PF&H

Amelia's full stats

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Overall
886g total carb
82g per hour
6,150ml total fluid
567ml per hour
5,004mg total sodium
462mg per hour
814mg
Sodium per litre
400mg total caffeine
6.3mg 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.
1
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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