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Case studies

TriathlonMiddle distance
8th November, 2025

Precision Fuel & Hydration IRONMAN 70.3® World Championship

Mélanie Mantha

113.1km
5hrs 38mins

Carb per hour: 70g

Sodium per hour: 466mg

Fluid per hour: 514ml

Relative sodium concentration: 908mg/L

View Mélanie's Numbers
TriathlonMiddle distance
8th November, 2025

Precision Fuel & Hydration IRONMAN 70.3® World Championship

Kate Southwood

113.1km
8hrs 12mins

Carb per hour: 50g

Sodium per hour: 226mg

Fluid per hour: 286ml

Relative sodium concentration: 790mg/L

View Kate's Numbers
1st
RunningTrail
6th November, 2025

Grampian Peaks Trail 50K

Peter Frano

49.5km
4hrs 29mins

Carb per hour: 89g

Sodium per hour: 557mg

Fluid per hour: 557ml

Relative sodium concentration: 1000mg/L

View Peter's Numbers
RunningUltra
25th October, 2025

Javelina Jundred

Lauren Puretz

161.0km
14hrs 52mins

Carb per hour: 81g

Sodium per hour: 455mg

Fluid per hour: 485ml

Relative sodium concentration: 939mg/L

View Lauren's Numbers
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1st
RunningUltra
25th October, 2025

Bondi to Manly Ultra

Steph McCall

80.0km
6hrs 47mins

Carb per hour: 90g

Sodium per hour: 624mg

Fluid per hour: 832ml

Relative sodium concentration: 750mg/L

View Steph's Numbers
RunningMarathon
19th October, 2025

Amsterdam Marathon

Louise Small

42.2km
2hrs 27mins

Carb per hour: 78g

Sodium per hour: 446mg

Fluid per hour: 588ml

Relative sodium concentration: 759mg/L

View Louise's Numbers
1st
TriathlonMiddle distance
18th October, 2025

IRONMAN 70.3® Portugal-Cascais

Lizzie Rayner

113.1km
4hrs 8mins

Carb per hour: 105g

Sodium per hour: 573mg

Fluid per hour: 522ml

Relative sodium concentration: 1097mg/L

View Lizzie's Numbers
1st
RunningUltra
18th October, 2025

IAU 24h World Championships

Sarah Webster

278.6km
24hrs

Carb per hour: 48g

Sodium per hour: 103mg

Fluid per hour: 294ml

Relative sodium concentration: 349mg/L

View Sarah's Numbers
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RunningMarathon
12th October, 2025

Melbourne Marathon

Holly Butler

42.2km
5hrs 3mins

Carb per hour: 58g

Sodium per hour: 127mg

Fluid per hour: 622ml

Relative sodium concentration: 205mg/L

View Holly's Numbers
RunningMarathon
12th October, 2025

Oldenburg Marathon

Reiner Mättig

42.2km
4hrs

Carb per hour: 78g

Sodium per hour: 1135mg

Fluid per hour: 809ml

Relative sodium concentration: 1403mg/L

View Reiner's Numbers
1st
TriathlonFull distance
11th October, 2025

IRONMAN® World Championship

Solveig Løvseth

226.2km
8hrs 28mins

Carb per hour: 132g

Sodium per hour: 1121mg

Fluid per hour: 1,292ml

Relative sodium concentration: 868mg/L

View Solveig's Numbers
TriathlonFull distance
11th October, 2025

IRONMAN® World Championship

Tash Cooper-Smith

226.2km
10hrs 42mins

Carb per hour: 92g

Sodium per hour: 567mg

Fluid per hour: 908ml

Relative sodium concentration: 625mg/L

View Tash's Numbers
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