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Case studies

CyclingMountain bike
10th August, 2024

Leadville Trail 100 MTB

Bonnie Stokes

169.0km
7hrs 6mins

Carb per hour: 98g

Sodium per hour: 802mg

Fluid per hour: 704ml

Relative sodium concentration: 1139mg/L

View Bonnie's Numbers
RunningTrail
10th August, 2024

Sierre-Zinal GTS

Eef Van Dongen

31.1km
3hrs 21mins

Carb per hour: 72g

Sodium per hour: 149mg

Fluid per hour: 446ml

Relative sodium concentration: 333mg/L

View Eef's Numbers
CyclingMountain bike
10th August, 2024

Leadville Trail 100 MTB

Anna Hicks

169.0km
8hrs 5mins

Carb per hour: 58g

Sodium per hour: 237mg

Fluid per hour: 417ml

Relative sodium concentration: 567mg/L

View Anna's Numbers
CyclingGravel
10th August, 2024

Leadville Trail 100 MTB

John Borstelmann

169.0km
7hrs 10mins

Carb per hour: 111g

Sodium per hour: 877mg

Fluid per hour: 690ml

Relative sodium concentration: 1272mg/L

View John's Numbers
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1st
CyclingMountain bike
10th August, 2024

Leadville Trail 100 MTB

Bob Fetherston

169.0km
10hrs 29mins

Carb per hour: 51g

Sodium per hour: 239mg

Fluid per hour: 274ml

Relative sodium concentration: 873mg/L

View Bob's Numbers
RunningUltra
9th August, 2024

Swiss Alps 100

Davide Grazielli

161.0km
30hrs 44mins

Carb per hour: 66g

Sodium per hour: 185mg

Fluid per hour: 530ml

Relative sodium concentration: 350mg/L

View Davide's Numbers
1st
RunningUltra
3rd August, 2024

KAT100 Marathon Trail

Hayden Hawks

51.5km
5hrs

Carb per hour: 102g

Sodium per hour: 399mg

Fluid per hour: 399ml

Relative sodium concentration: 1000mg/L

View Hayden's Numbers
TriathlonShort course
31st July, 2024

Paris Olympic Games Triathlon

Ainsley Thorpe

51.5km
2hrs 3mins

Carb per hour: 15g

Sodium per hour: 363mg

Fluid per hour: 315ml

Relative sodium concentration: 1154mg/L

View Ainsley's Numbers
Most of these athletes use PH 1500 to start hydratedRead our guide to starting hydratedTake a look
2nd
TriathlonMiddle distance
28th July, 2024

T100 London

Kyle Smith

100.0km
3hrs 14mins

Carb per hour: 104g

Sodium per hour: 238mg

Fluid per hour: 1,090ml

Relative sodium concentration: 218mg/L

View Kyle's Numbers
2nd
TriathlonMiddle distance
28th July, 2024

T100 London

Felix Wernham

100.0km
3hrs 50mins

Carb per hour: 61g

Sodium per hour: 195mg

Fluid per hour: 443ml

Relative sodium concentration: 441mg/L

View Felix's Numbers
2nd
TriathlonMiddle distance
28th July, 2024

IRONMAN 70.3® Maine

Jeanni Metzler

113.1km
4hrs 12mins

Carb per hour: 62g

Sodium per hour: 1174mg

Fluid per hour: 691ml

Relative sodium concentration: 1699mg/L

View Jeanni's Numbers
TriathlonMiddle distance
28th July, 2024

T100 London

Leon Chevalier

100.0km
3hrs 14mins

Carb per hour: 144g

Sodium per hour: 696mg

Fluid per hour: 758ml

Relative sodium concentration: 918mg/L

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