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Case studies

RunningMarathon
19th January, 2025

Houston Marathon

Devon Yanko

42.2km
2hrs 50mins

Carb per hour: 96g

Sodium per hour: 185mg

Fluid per hour: 53ml

Relative sodium concentration: 170mg/L

View Devon's Numbers
2nd
RunningUltra
12th January, 2025

The Spine Race

Robyn Cassidy

431.0km
94hrs 31mins

Carb per hour: 43g

Sodium per hour: 251mg

Fluid per hour: 175ml

Relative sodium concentration: 1433mg/L

View Robyn's Numbers
TriathlonFull distance
17th December, 2024

IRONMAN® Arizona

Matt Vermeer

226.2km
14hrs 44mins

Carb per hour: 47g

Sodium per hour: 312mg

Fluid per hour: 433ml

Relative sodium concentration: 720mg/L

View Matt's Numbers
TriathlonMiddle distance
15th December, 2024

IRONMAN 70.3® World Championships

Harry Palmer

113.1km
3hrs 39mins

Carb per hour: 90g

Sodium per hour: 82mg

Fluid per hour: 710ml

Relative sodium concentration: 115mg/L

View Harry's Numbers
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TriathlonMiddle distance
15th December, 2024

IRONMAN 70.3® World Championships

Kyle Smith

113.1km
3hrs 37mins

Carb per hour: 111g

Sodium per hour: 234mg

Fluid per hour: 854ml

Relative sodium concentration: 274mg/L

View Kyle's Numbers
TriathlonMiddle distance
15th December, 2024

IRONMAN 70.3® World Championships

Chris Harris

113.1km
4hrs 8mins

Carb per hour: 121g

Sodium per hour: 998mg

Fluid per hour: 942ml

Relative sodium concentration: 1059mg/L

View Chris's Numbers
RunningMarathon
15th December, 2024

Malaga Marathon

Lucy Reid

42.2km
2hrs 26mins

Carb per hour: 69g

Sodium per hour: 123mg

Fluid per hour: 147ml

Relative sodium concentration: 833mg/L

View Lucy's Numbers
TriathlonMiddle distance
15th December, 2024

IRONMAN 70.3® World Championships

Sam Shepherd

113.1km
4hrs 19mins

Carb per hour: 106g

Sodium per hour: 497mg

Fluid per hour: 739ml

Relative sodium concentration: 672mg/L

View Sam's Numbers
Most of these athletes use PH 1500 to start hydratedRead our guide to starting hydratedTake a look
1st
TriathlonMiddle distance
15th December, 2024

IRONMAN 70.3® World Championships

Jelle Geens

113.1km
3hrs 32mins

Carb per hour: 104g

Sodium per hour: 443mg

Fluid per hour: 650ml

Relative sodium concentration: 681mg/L

View Jelle's Numbers
TriathlonMiddle distance
14th December, 2024

IRONMAN 70.3® World Championships

Lizzie Rayner

113.1km
4hrs 13mins

Carb per hour: 82g

Sodium per hour: 683mg

Fluid per hour: 758ml

Relative sodium concentration: 901mg/L

View Lizzie's Numbers
TriathlonMiddle distance
14th December, 2024

IRONMAN 70.3® World Championships

Ellie Salthouse

113.1km
4hrs 7mins

Carb per hour: 84g

Sodium per hour: 299mg

Fluid per hour: 712ml

Relative sodium concentration: 420mg/L

View Ellie's Numbers
TriathlonMiddle distance
14th December, 2024

IRONMAN 70.3® World Championships

Tash Cooper-Smith

113.1km
4hrs 54mins

Carb per hour: 75g

Sodium per hour: 464mg

Fluid per hour: 625ml

Relative sodium concentration: 743mg/L

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