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Case studies

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
TriathlonFull distance
10th October, 2026

IRONMAN® World Championship

Solveig Løvseth

226.0km
9hrs 2mins

Carb per hour: 123g

Sodium per hour: 1038mg

Fluid per hour: 1,465ml

Relative sodium concentration: 708mg/L

View Solveig'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
1st
TriathlonMiddle distance
20th September, 2026

IRONMAN 70.3® Weymouth

Chris Harris

113.1km
4hrs 14mins

Carb per hour: 124g

Sodium per hour: 588mg

Fluid per hour: 682ml

Relative sodium concentration: 862mg/L

View Chris's Numbers
3rd
TriathlonMiddle distance
20th September, 2026

IRONMAN 70.3® Weymouth

Tash Cooper-Smith

113.1km
4hrs 52mins

Carb per hour: 86g

Sodium per hour: 436mg

Fluid per hour: 431ml

Relative sodium concentration: 1012mg/L

View Tash'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
Most of these athletes use PH 1500 to start hydratedRead our guide to starting hydratedTake a look
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
3rd
TriathlonMiddle distance
13th September, 2026

Precision Fuel & Hydration IRONMAN 70.3® World Championship

Jelle Geens

113.1km
3hrs 52mins

Carb per hour: 83g

Sodium per hour: 320mg

Fluid per hour: 609ml

Relative sodium concentration: 525mg/L

View Jelle'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
TriathlonFull distance
13th September, 2026

IRONMAN® Wales

Hayley Ellis

226.2km
15hrs 5mins

Carb per hour: 68g

Sodium per hour: 379mg

Fluid per hour: 315ml

Relative sodium concentration: 1201mg/L

View Hayley's Numbers
Most athletes seen here eat a gel just before they start(Usually it's a PF 30 Gel...)Learn more