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Case studies

RunningMarathon
11th October, 2026

Chester Marathon

James Hatton

42.2km
2hrs 41mins

Carb per hour: 67g

Sodium per hour: 0mg

Fluid per hour: 566ml

Relative sodium concentration: 0mg/L

View James's Numbers
TriathlonFull distance
27th July, 2025

IRONMAN® Leeds

James Hatton

226.2km
12hrs 18mins

Carb per hour: 64g

Sodium per hour: 491mg

Fluid per hour: 370ml

Relative sodium concentration: 1330mg/L

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3rd
RunningUltra
1st June, 2024

Ultra Loop Track Edition

James Hatton

68.7km
6hrs

Carb per hour: 54g

Sodium per hour: 282mg

Fluid per hour: 397ml

Relative sodium concentration: 711mg/L

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RunningUltra
27th January, 2024

Arc of Attrition 50

James Hatton

82.1km
9hrs 52mins

Carb per hour: 61g

Sodium per hour: 542mg

Fluid per hour: 401ml

Relative sodium concentration: 1352mg/L

View James's Numbers
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RunningUltra
30th September, 2023

Maverick SDW Ultra

James Hatton

52.0km
4hrs 19mins

Carb per hour: 68g

Sodium per hour: 326mg

Fluid per hour: 389ml

Relative sodium concentration: 837mg/L

View James's Numbers