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Case studies

RunningMarathon
18th October, 2026

Amsterdam Marathon

Dravid Hirani

42.2km
3hrs 57mins

Carb per hour: 68g

Sodium per hour: 189mg

Fluid per hour: 134ml

Relative sodium concentration: 1415mg/L

View Dravid's Numbers
RunningMarathon
18th October, 2026

Amsterdam Marathon

Claire Saxton

42.2km
4hrs 57mins

Carb per hour: 71g

Sodium per hour: 151mg

Fluid per hour: 131ml

Relative sodium concentration: 1152mg/L

View Claire's Numbers
TriathlonFull distance
17th October, 2026

IRONMAN® Portugal-Cascais

Benji Simpson

226.0km
13hrs 43mins

Carb per hour: 88g

Sodium per hour: 546mg

Fluid per hour: 542ml

Relative sodium concentration: 1008mg/L

View Benji's Numbers
1st
TriathlonMiddle distance
17th October, 2026

IRONMAN 70.3® Portugal-Cascais

Lizzie Rayner

113.1km
4hrs 13mins

Carb per hour: 94g

Sodium per hour: 578mg

Fluid per hour: 510ml

Relative sodium concentration: 1134mg/L

View Lizzie's Numbers
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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
TriathlonFull distance
10th October, 2026

IRONMAN® World Championship

Hannah Berry

226.0km
8hrs 59mins

Carb per hour: 109g

Sodium per hour: 464mg

Fluid per hour: 1,095ml

Relative sodium concentration: 424mg/L

View Hannah's Numbers
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TriathlonFull distance
10th October, 2026

IRONMAN® World Championship

Kellie Branagan

226.0km
10hrs 52mins

Carb per hour: 81g

Sodium per hour: 887mg

Fluid per hour: 1,083ml

Relative sodium concentration: 818mg/L

View Kellie's Numbers
TriathlonFull distance
10th October, 2026

IRONMAN® World Championship

Sam Shepherd

226.0km
10hrs 3mins

Carb per hour: 86g

Sodium per hour: 871mg

Fluid per hour: 1,287ml

Relative sodium concentration: 677mg/L

View Sam'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
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
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