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Case studies / Running

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
RunningMarathon
11th October, 2026

Chicago Marathon

Ant Gritton

42.2km
2hrs 41mins

Carb per hour: 86g

Sodium per hour: 668mg

Fluid per hour: 445ml

Relative sodium concentration: 1500mg/L

View Ant's Numbers
RunningMarathon
11th October, 2026

Chicago Marathon

Izzi Batt-Doyle

42.2km
2hrs 20mins

Carb per hour: 119g

Sodium per hour: 625mg

Fluid per hour: 719ml

Relative sodium concentration: 869mg/L

View Izzi's Numbers
RunningMarathon
10th October, 2026

Chicago Marathon

CJ Albertson

42.2km
2hrs 7mins

Carb per hour: 113g

Sodium per hour: 94mg

Fluid per hour: 424ml

Relative sodium concentration: 222mg/L

View CJ's Numbers
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RunningUltra
3rd October, 2026

Run to the Sea Bournemouth

Macie Head

50.0km
5hrs 32mins

Carb per hour: 66g

Sodium per hour: 383mg

Fluid per hour: 550ml

Relative sodium concentration: 697mg/L

View Macie's Numbers
RunningUltra
19th September, 2026

Centurion Chiltern Wonderland

Tanya Godbeer

80.5km
10hrs 59mins

Carb per hour: 51g

Sodium per hour: 252mg

Fluid per hour: 409ml

Relative sodium concentration: 615mg/L

View Tanya's Numbers
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
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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
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
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