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Case studies

RunningHalf marathon
13th September, 2026

The New Forest Half Marathon

Emily Kiriakou

21.1km
2hrs 10mins

Carb per hour: 52g

Sodium per hour: 305mg

Fluid per hour: 391ml

Relative sodium concentration: 780mg/L

View Emily's Numbers
RunningHalf marathon
13th September, 2026

The New Forest Half Marathon

Lucy Brown

21.1km
2hrs 3mins

Carb per hour: 15g

Sodium per hour: 0mg

Fluid per hour: 136ml

Relative sodium concentration: 0mg/L

View Lucy's Numbers
TriathlonMiddle distance
12th September, 2026

Precision Fuel & Hydration IRONMAN 70.3® World Championship

Dawn McCafferty

113.1km
7hrs 8mins

Carb per hour: 72g

Sodium per hour: 253mg

Fluid per hour: 243ml

Relative sodium concentration: 1040mg/L

View Dawn's Numbers
2nd
RunningUltra
28th August, 2026

UTMB

Rachel Entrekin

173.6km
22hrs 15mins

Carb per hour: 52g

Sodium per hour: 445mg

Fluid per hour: 469ml

Relative sodium concentration: 948mg/L

View Rachel's Numbers
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1st
RunningUltra
28th August, 2026

CCC by UTMB

Yngvild Kaspersen

107.8km
12hrs 1min

Carb per hour: 89g

Sodium per hour: 202mg

Fluid per hour: 306ml

Relative sodium concentration: 660mg/L

View Yngvild's Numbers
3rd
RunningUltra
28th August, 2026

UTMB

Caleb Olson

173.6km
18hrs 48mins

Carb per hour: 87g

Sodium per hour: 441mg

Fluid per hour: 675ml

Relative sodium concentration: 653mg/L

View Caleb's Numbers
RunningTrail
27th August, 2026

OCC by UTMB

Caroline Cotterell

61.1km
14hrs 27mins

Carb per hour: 46g

Sodium per hour: 320mg

Fluid per hour: 320ml

Relative sodium concentration: 999mg/L

View Caroline's Numbers
TriathlonFull distance
2nd August, 2026

IRONMAN® Canada-Ottawa

Daniel Churchill

226.3km
14hrs 19mins

Carb per hour: 66g

Sodium per hour: 533mg

Fluid per hour: 416ml

Relative sodium concentration: 1282mg/L

View Daniel's Numbers
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TriathlonMiddle distance
26th July, 2026

T100 London

Matt Waller

100.0km
4hrs 43mins

Carb per hour: 77g

Sodium per hour: 191mg

Fluid per hour: 254ml

Relative sodium concentration: 750mg/L

View Matt's Numbers
OtherHiking
23rd July, 2026

29029 Mont-Tremblant

Hannah Hill

41.0km
28hrs

Carb per hour: 14g

Sodium per hour: 325mg

Fluid per hour: 552ml

Relative sodium concentration: 589mg/L

View Hannah's Numbers
1st
RunningUltra
17th July, 2026

High Lonesome 100

Rebecca Bramley

161.0km
21hrs 55mins

Carb per hour: 65g

Sodium per hour: 226mg

Fluid per hour: 456ml

Relative sodium concentration: 495mg/L

View Rebecca's Numbers
TriathlonMiddle distance
12th July, 2026

IRONMAN 70.3® Swansea

Kellie Branagan

113.1km
5hrs 34mins

Carb per hour: 88g

Sodium per hour: 661mg

Fluid per hour: 818ml

Relative sodium concentration: 808mg/L

View Kellie's Numbers
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